MAGDAS Publication List (1988-2019: total 408 papers)

 

1.          Nakamizo, A. &  Yoshikawa, A., (2019).  Deformation of ionospheric potential pattern by ionospheric Hall polarization. Journal of Geophysical Research: Space Physics,  124. https://doi.org/10.1029/2018JA026013

2.          RA Marshall, L Wang, GA Paskos, G Olivares-Pulido, T Van Der Walt, C Ong, D Mikkelsen, G Hesse, B McMahon, E Van Wyk, G Ivanovich, D Spoor, C Taylor, A. Yoshikawa, "Modeling geomagnetically induced currents in Australian power networks using different conductivity models," in Space Weather, vol. 17, no. 5, pp. 727-756, May 2019.doi: 10.1029/2018SW002047

3.          Zamri Zainal Abidin, M.H. Jusoh, M. Abbas, A. Yoshikawa, Application of solar quiet (Sq) current in determining mantle conductivity-depth structure in Malaysia, Journal of Atmospheric and Solar-Terrestrial Physics, Volume 192,2019,104776,ISSN 1364-6826, https://doi.org/10.1016/j.jastp.2018.01.019.

4.          M Abbas, ZZ Abidin, MH Jusoh, OS Bolaji, A Yoshikawa, (2019), Features of horizontal magnetic field intensity over northern island of Malaysia, Indian Journal of Physics, Volume 93, Issue 5, pp 553–564

5.          Bello, S. A., Abdullah, M., Hamid, N. S. A., Reinisch, B. W., Yoshikawa, A., & Fujimoto, A. (2019). Response of ionospheric profile parameters to equatorial electrojet over Peruvian station, Earth and Space Science, 6, 617–628. https://doi.org/10.1029/ 2018EA000537

6.          Y Obana, Y.,  Maruyama, N.,  Shinbori, A.,  Hashimoto, K. K.,  Fedrizzi, M.,  Nosé, M., Otsuka Y., Nishitani N., Hori T., Kumamoto A., Tsuchiya F., Matsuda S., Matsuoka A., Kasahara Y., Yoshikawa A., Miyoshi Y., Shinohara M., (2019).  Response of the ionosphereplasmasphere coupling to the September 2017 storm: What erodes the plasmasphere so severely?,  Space Weather,  17,  861 876. https://doi.org/10.1029/2019SW002168

7.          Charles Owolabi, iuhou Lei, O. S. Bolaji, Oluwaseyi Jimoh, Haibing Ruan, Na Li, Xiaojuan Niu, Akimasa Yoshikawa, (2019).  Investigation on the variability of the geomagnetic daily current during sudden stratospheric warmings. Journal of Geophysical Research: Space Physics,  124,  6156 6172.  https://doi.org/10.1029/2019JA026667

8.          Zamri Zainal Abidin, M.H. Jusoh, M. Abbas, O.S. Bolaji, A. Yoshikawa, Features of the inter-hemispheric field-aligned current system over Malaysia ionosphere, Journal of Atmospheric and Solar-Terrestrial Physics, Volume 192,2019,104769, ISSN 1364-6826, https://doi.org/10.1016/j.jastp.2018.01.012

9.          Mitani, K.,  Seki, K.,  Keika, K.,  Gkioulidou, M.,  Lanzerotti, L. J.,  Mitchell, D. G., Kletzing C., A., Yoshikawa A., Obana Y., (2019). Statistical study of selective oxygen increase in highenergy ring current ions during magnetic storms. Journal of Geophysical Research: Space Physics,  124,  3193 3209. https://doi.org/10.1029/2018JA026168

10.       Mio Nakahara, Akimasa Yoshikawa, Teiji Uozumi, Akiko Fujimoto, Electromagnetic induction responses to geomagnetic disturbances at low-and-mid-latitudes(2019), Journal of Physics: Conference Series 1152 (1), 012035.

11.       T Akiyama, A Yoshikawa, A Fujimoto, T Uozumi, Relationship between plasma bubble and ionospheric current, equatorial electrojet, and equatorial counter electrojet (2019), Journal of Physics: Conference Series 1152 (1), 012022.

12.       NM Anuar, FAM Kasran, M Abbas, MH Jusoh, SAE Ab Rahim, N Abdul Hadi, A Yoshikawa, Z Mohd Radzi (2019)Assessment of the Geomagnetically Induced Current (GIC) at Low Latitude Region based on MAGDAS Data, Journal of Physics: Conference Series 1152 (1), 012028.

13.       M Abbas, ZZ Abidin, MH Jusoh, OS Bolaji, A Yoshikawa, (2019), Features of horizontal magnetic field intensity over northern island of Malaysia, Indian Journal of Physics, Volume 93, Issue 5, pp 553–564

14.       Gabriel Soares, Yosuke Yamazaki, Jürgen Matzka, Katia Pinheiro, Claudia Stolle, Patrick Alken, Akimasa Yoshikawa, Teiji Uozumi, Akiko Fujimoto, Atul Kulkarni, Longitudinal variability of the equatorial counter electrojet during the solar cycle 24 Stud Geophys Geod (2019) 63: 304. https://doi.org/10.1007/s11200-018-0286-0

15.       SN Ibrahim, MH Jusoh, AA Sulaiman, A Yoshikawa, ZM Radzi (2019), Characteristic of the Disturbed Days Ionospheric Current System in the 180-Degree Magnetic Meridian, Journal of Physics: Conference Series 1152 (1), 012029.

16.       Zatul Iffah Abd Latiff, Mohamad Huzaimy Jusoh, Farah Adilah Mohd Kasran, Siti Amalina Enche Ab Rahim, Munirah Onn, Aznilinda Zainuddin, Muhammad Asraf Hairuddin, Nurhani Kasuan, Muhammad Muzamil Mustam, Suhana Mohamed, Yoshikawa Akimasa (2019), The first solar-powered Magdas-9 installation and possible geomagnetically induced currents study at Johor, Malaysia, 2019 J. Phys.: Conf. Ser. 1152 (1), 012030

17.       Ohtani, S.,  Motoba, T.,  Gjerloev, J. W.,  Ruohoniemi, J. M.,  Donovan, E. F., &  Yoshikawa, A.  (2018).  Longitudinal development of poleward boundary intensifications (PBIs) of auroral emission. Journal of Geophysical Research: Space Physics, 123, 9005-9021 . https://doi.org/10.1029/2017JA024375

18.       Shi, R.,  Ni, B.,  Summers, D.,  Liu, H.,  Yoshikawa, A., &  Zhang, B. (2018).  Generation of electron acoustic waves in the topside ionosphere from coupling with kinetic Alfven waves: A new electron energization mechanism. Geophysical Research Letters,  45,  5299 5304. https://doi.org/10.1029/2018GL077898

19.       Yoshikawa A., and R. Fujii (2018), Earth’s Ionosphere: Theory and Phenomenology of Cowling Channels, in Electric Currents in Geospace and Beyond (eds A. Keiling, O. Marghitu, and M. Wheatland), John Wiley & Sons, Inc, Hoboken, N.J., doi: 10.1002/9781119324522.ch25

20.       Fujimoto A., A. Yoshikawa, A .Ikeda (2018), Global response of Magnetic field and Ionosonde observations to intense solar flares on 6 and 10 September 2017 - E3S Web of Conferences, 62, 01007.

21.       Ikeda A., T/ Uozumi, A/ Yoshikawa, A/ Fujimoto, S Abe (2018), Schumann resonance parameters at Kuju station during solar flares- E3S Web of Conferences, 2018

22.       N.N. Anuar, FAM Kasran, ZIA Latif, SAE Ab Rahim, A Manut, MH Jusoh, N. A. Hadi, A. Yoshikawa, Estimation of Time Derivative of Horizontal Geomagnetic Component for GIC Assessment in Malaysia during Quiet Period, 2018 IEEE 8th International Conference on System Engineering and Technology (ICSET),118-122, 2018.

23.       Terada K., C. Tao, N. Terada, Y. Kasaba, H. Kita, A. Nakamizo, A. Yoshikawa, Study of the Solar Wind Influence on the Jovian Inner Magnetosphere Using an Ionospheric Potential Solver, Lunar and Planetary Science Conference 49, 2018.

24.       Seki, K., Miyoshi, Y., Ebihara, Y., Katoh Y.,  Amano T., Saito S., Shoji M., Nakamizo A., Keika K., Hori T., Nakano S., Watanabe S., Kamiya K., Takahashi N.,  Omura Y., Nose ., Mei-Ching Fok., Tanaka T., Ieda A., and Yoshikawa A (2018), Earth Planets Space (2018) 70: 17. https://doi.org/10.1186/s40623-018-0785-9

25.       Takahashi, N., Seki, K., Teramoto, M., Fok, M.C., Zheng, Y., Matsuoka, A., Nana Higashio, Kazuo Shiokawa, Dmitry Baishev, Akimasa Yoshikawa, Tsutomu Nagatsuma (2018). Global distribution of ULF waves during magnetic storms: Comparison of Arase, ground observations, and BATSRUS + CRCM simulation. Geophysical Research Letters, 45, 9390–9397. https://doi.org/10.1029/2018GL078857

26.       EM Takla, A Khashaba, MA Zaher, A Yoshikawa, T Uozumi (2018), Anomalous ultra low frequency signals possibly linked with seismic activities in Sumatra, Indonesia, NRIAG Journal of Astronomy and Geophysics doi: 10.1016/j.nrjag.2018.04.004

27.       R Umar, SF Natasha, SSN Aminah, KN Juhari, MH Jusoh, NSA Hamid, MH Hashim, ZM Radzi, AN Ishak, SN Hazmin, WZAW Mokhtar, MKA Kamarudin, H Juahir, A Yoshikawa (2018), Magnetic Data Acquisition System (MAGDAS) Malaysia: installation and preliminary data analysis at ESERI, UNISZA, Indian Journal of Physics, 1-12, https://doi.org/10.1007/s12648-018-1318-x

28.       Annadurai, N. M. N.,  Hamid, N. S. A.,  Yamazaki, Y., &  Yoshikawa, A. (2018).  Investigation of unusual solar flare effect on the global ionospheric current system. Journal of Geophysical Research: Space Physics,  123,  8599 8609. https://doi.org/10.1029/2018JA025601

29.       NMN Annadurai, NSA Hamid, A Yoshikawa, Observation of Ionospheric Current during Strong Solar Flare Using Ground Based Magnetometer, SAINS MALAYSIANA 47 (3), 595-601, 2018

30.       NSA Hamid, VA Wen, NIM Rosli, A Yoshikawa (2018), Changes in Ionospheric Currents System at Southeast Asia Region during Geomagnetic Storm in Solar's Minimum Phase, SAINS MALAYSIANA 47 (8), 1923-1929.

31.       M Abbas, ZZ Abidin, MH Jusoh, OS Bolaji, A Yoshikawa, Features of horizontal magnetic field intensity over northern island of Malaysia, Indian Journal of Physics, 1-11

32.       ZZ Abidin, MH Jusoh, M Abbas, A Yoshikawa (2018), Application of solar quiet (Sq) current in determining mantle conductivity-depth structure in Malaysia, Journal of Atmospheric and Solar-Terrestrial Physics, https://doi.org/10.1016/j.jastp.2018.01.019.

33.       ZZ Abidin, MH Jusoh, M Abbas, OS Bolaji., and A. Yoshikawa (2018), Features of the inter-hemispheric field-aligned current system over Malaysia ionosphere, Journal of Atmospheric and Solar-Terrestrial Physics, https://doi.org/10.1016/j.jastp.2018.01.012.

34.       Kasran F.A.M., Jusoh M.H., Yoshikawa A., Radzi Z.M., MAGDAS/CPMN Group (2018), The Time Derivative of the Horizontal Geomagnetic Field for the Low Latitude MAGDAS Langkawi Station for the Estimation of Geomagnetically Induced Current. In: Suparta W., Abdullah M., Ismail M. (eds) Space Science and Communication for Sustainability, Springer, Singapore, https://doi.org/10.1007/978-981-10-6574-3_6

35.       FAM Kasran, MH Jusoh, A Yoshikawa, ZM Radzi, The Time Derivative of the Horizontal Geomagnetic Field for the Low Latitude MAGDAS Langkawi Station for the Estimation of Geomagnetically Induced Current, Space Science and Communication for Sustainability, 57-71, 2018.

36.       Yagova, N.V., Heilig, B., Pilipenko, V.A, Yoshikawa A., Nosikova N.S., Yumoto K., and Reda J. (2017), Earth Planets Space 69: 61, https://doi.org/10.1186/s40623-017-0647-x

37.       Yoshikawa A., A Fujimoto, A Ikeda, T Uozumi, S Abe (2017), Monitoring of Space and Earth electromagnetic environment by MAGDAS project: Collaboration with IKIR-Introduction to ICSWSE/MAGDAS project, E3S Web of Conferences 20, 01013 (2017), DOI: 10.1051/e3sconf/20172001013, Solar-Terrestrial Relations and Physics of Earthquake Precursors

38.       Akihiro Ikeda, Teiji Uozumi, Akimasa Yoshikawa, Akiko Fujimoto, Shuji Abe, Hiromasa Nozawa, Manabu ShinoharaAkihiro Ikeda, Teiji Uozumi, Akimasa Yoshikawa, Akiko Fujimoto, Shuji Abe, Hiromasa Nozawa, Manabu Shinohara, Characteristics of Schumann Resonance Parameters at Kuju Station, E3S Web of Conferences 20, 01004 (2017), DOI: 10.1051/e3sconf/20172001004, Solar-Terrestrial Relations and Physics of Earthquake Precursors

39.       W N I Ismail , N S A Hamid, M Abdullah, A Yoshikawa and T Uozumi (2017), Longitudinal Variation of EEJ Current during Different Phases of Solar Cycle, J. Phys.: Conf. Ser. 852 012019

40.       N S A Hamid, H Liu, T Uozumi3, A Yoshikawa and N M N Annadurai (2017), Peak time of equatorial electrojet from different longitude sectors during fall solar minimum , J. Phys.: Conf. Ser. 852 012015

41.       Imajo, S., A. Yoshikawa, T. Uozumi, S. Ohtani, A. Nakamizo, and P. J. Chi (2017), Application of a global magnetosphericionospheric current model for dayside and terminator Pi2 pulsations, J. Geophys. Res. Space Physics, 122, 8589–8603, doi:10.1002/2017JA024246.

42.       S.A. Bello, M. Abdullah, N.S.A. Hamid, A. Yoshikawa, A.O. Olawepo (2017), Variations of B0 and B1 with the solar quiet Sq-current system and comparison with IRI-2012 model at Ilorin, Advances in Space Research, Volume 60, Issue 2, 2017, Pages 307-316, ISSN 0273-1177, https://doi.org/10.1016/j.asr.2017.02.003.

43.       R. A. Marshall, A Kelly, T Van Der Walt, A Honecker, C Ong, D Mikkelsen, A Spierings, G Ivanovich, A Yoshikawa (2017), "Modeling geomagnetic induced currents in Australian power networks," in Space Weather, vol. 15, no. 7, pp. 895-916, July 2017. doi: 10.1002/2017SW001613

44.       D. Baishev, S. Samsonov, A. Moiseev, R. Boroev, A. Stepanov, V.K. Vladi, A. Korsakov, A. Toropov, A. Yoshikawa, K. Yumoto (2017), Monitoring and investigating space weather effects with meridional chain of instruments in Yakutia: a brief overview, Solnechno-Zemnaya Fizika, 3, (2), 27-35.

45.       A Moiseev, D Baishev, V Mishin, T Uozumi, A Yoshikawa, A Du (2017), Features of formation of small-scale wave disturbances during a sudden magnetospheric compression, Solnechno-Zemnaya Fizika 3 (2), 36-44

46.       Hui, D., D. Chakrabarty, R. Sekar, G. D. Reeves, A. Yoshikawa, and K. Shiokawa (2017), Contribution of storm time substorms to the prompt electric field disturbances in the equatorial ionosphere, J. Geophys. Res. Space Physics, 122, 5568–5578, doi:10.1002/2016JA023754.

47.       SA Bello, M Abdullah, NSA Hamid, A Yoshikawa, AO Olawepo, Variations of B0 and B1 with the  (solar quiet Sq-current system and comparison with IRI-2012 model at Ilorin, Advances in Space Research, 2017, accepted

48.       Wang, G. Q., M. Volwerk, T. L. Zhang, D. Schmid, and A. Yoshikawa (2017), High-latitude Pi2 pulsations associated with kink-like neutral sheet oscillations, J. Geophys. Res. Space Physics, 122, 28892899, doi:10.1002/2016JA023370.

49.       Nurul Shazana Abdul Hamid, Wan Nur Izzaty Ismail and Akimasa Yoshikawa, Latitudinal Variation of Ionospheric Currents in Southeast Asian Sector, Advanced Science Letters 23(3):1444-1447 · February 2017, DOI: 10.1166/asl.2017.8358.

50.       Nurul Shazana Abdul Hamid, Wan Nur Izzaty Ismail and Akimasa Yoshikawa , Longitudinal Profile of the Equatorial Electrojet Current and Its Dependence on Solar Activity, Advanced Science Letters 23(2):1357–1360 · February 2017, DOI: 10.1166/asl.2017.8372.

51.       MO XiaoHua, ZHANG, DongHe, Larisa GONCHARENKO, ZHANG ShunRong, HAO YongQiang, XIAO Zuo, PE JiaZheng, Akimasa YOSHIKAWA, and CHAU HaDuyen, Meridional movement of northern and southern equatorial ionization anomaly crests in the East-Asian sector during 2002–2003 SSW, Science China Earth Science · February 2017, DOI: 10.1007/s11430-016-0096-y

52.       Yi Zhang, Z. Zeng, L. Yao, Y. Yokota, Y. Kawazoe, and A. Yoshikawa (2017), Skin Effect of Rotating Magnetic Fields in Liquid Bridge, Journal of Magnetics 22(2):333-343, DOI10.4283/JMAG.2017.22.2.333.

53.       Rabiu, A. B., Folarin, O. O., Uozumi, T. and Yoshikawa, A. (2016) Simultaneity and Asymmetry in the Occurrence of Counterequatorial Electrojet along African Longitudes, in Ionospheric Space Weather: Longitude and Hemispheric Dependences and Lower Atmosphere Forcing (eds T. Fuller-Rowell, E. Yizengaw, P. H. Doherty and S. Basu), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118929216.ch2

54.       Ohtani, S., and A. Yoshikawa (2016), The initiation of the poleward boundary intensification of auroral emission by fast polar cap flows: A new interpretation based on ionospheric polarization, J. Geophys. Res. Space Physics, 121, doi:10.1002/2016JA023143. (Selected as Editor’s Highlight)

55.       Takahashi, K., M. D. Hartinger, D. M. Malaspina, C. W. Smith, K. Koga, H. J. Singer, D. Frühauff, D. G. Baishev, A. V. Moiseev, and A. Yoshikawa (2016), Propagation of ULF waves from the upstream region to the midnight sector of the inner magnetosphere, J. Geophys. Res. Space Physics, 121, 8428–8447, doi:10.1002/2016JA022958.

56.       Imajo S., A. Yoshikawa, T.Uozumi; S. Ohtani, A. N.Sodnomsambuu Demberel, B. M. Shevtsov (2016), Solar terminator effects on middle-to-low latitude Pi2 pulsations, Earth, Planets and Space, 68 (1), 13768 (1), 137.

57.       Uozumi, T., A. Yoshikawa, S. Ohtani, S. Imajo, D. G. Baishev, A. V. Moiseev, and K. Yumoto, (2016), Initial deflection of middle-latitude Pi2 pulsations in the premidnight sector: Remote detection of oscillatory upward field-aligned current at substorm onset, J. Geophys. Res. Space Physics, 121, doi:10.1002/2015JA021698.

58.       Nishimura N., T.Kikuchi; Y.Ebihara, A.Yoshikawa, S.Imajo; W. Li, H. Utada, Evolution of the current system during solar wind pressure pulses based on aurora and magnetometer observations, , Earth, Planets and Space, 68 (1), 144, (2016).

59.       Bisoi,OS. K., D. Chakrabarty, P. Janardhan, R. G. Rastogi, A. Yoshikawa, K. Fujiki, M. Tokumaru, and Y. Yan (2016), The prolonged southward IMF-Bz event of 2?4 May 1998: Solar, interplanetary causes and geomagnetic consequences, J. Geophys. Res. Space Physics, 121, 3882-3904, doi:10.1002/2015JA022185.

60.       Bolaji, O. S., E. O. Oyeyemi, O. P. Owolabi, Y. Yamazaki, A. B. Rabiu, D. Okoh, A. Fujimoto, C. Amory-Mazaudier, G. K. Seemala, A. Yoshikawa, and O. K. Onanuga, Solar Quiet Current Response in the African Sector Due to a 2009 Sudden Stratospheric Warming Event, J. Geophys. Res. Space Physics, 2016 August 6,doi:10.1002/2016ja022857.

61.       Tsuda, T., M. Yamamoto, H. Hashiguchi, K. Shiokawa, Y. Ogawa, S. Nozawa, H. Miyaoka, and A. Yoshikawa, A proposal on the study of solar-terrestrial coupling processes with atmospheric radars and ground-based observation network, Radio Sci., 51, doi: 10.1002/2016RS006035, 2016."

62.       Fujimoto, A., T. Uozumi, S. Abe, H. Matsushita, S. Imajo, J. K.Ishitsuka, and A. Yoshikawa, Long-term EEJ Variations by Using the Improved EE-index, Sun and Geosphere, Vol.11, Issue 1, 2016

63.       Moiseev, A.V., D. G. Baishev, V. A. Mullayarov, S. N. Samsonov, T. Uozumi, A. Yoshikawa, K. Koga, and H. Matsumoto (2016), The Development of Compression Long-Period Pulsations on the Recovery Phase of the Magnetic Storm on May 23, 2007, Cosmic Research, 2016, Vol. 54, No. 1, pp. 31-39.

64.       Imajo, S., A. Yoshikawa, T. Uozumi, S. Ohtani, A. Nakamizo, R. Marshall, B. M. Shevtsov, V. A. Akulichev, U. Sukhbaatar, A. Liedloff and K. Yumoto (2015), Pi2 pulsations observed around the dawn terminator, J. Geophys. Res. Space Physics, 120, doi:10.1002/2013JA019691.

65.       Hori, T., Y. Miyashita, Y. Miyoshi, K. Seki, T. Segawa, Y.-M. Tanaka, K. Keika, M. Shoji, I. Shinohara, K. Shiokawa, Y. Otsuka, S. Abe, A. Yoshikawa, K. Yumoto, Y. Obana, N. Nishitani, A. S. Yukimatu, T. Nagatsuma, M. Kunitake, K. Hosokawa, Y. Ogawa, K. T. Murata, M. Nose, H. Kawano, and T. Sakanoi, CDF data archive and integrated data analysis platform for ERG-related ground data developed by ERG Science Center (ERG-SC), J. Space Sci. Info. Jpn., vol. 4, JAXA-RR-14-009 (ISSN 1349-1113), 75-89, 2015.

66.       Baishev D.G., Moiseyev A.V., Boroyev R.N., Kobyakova S.E., Stepanov A.E., Mandrikova O.V., Solovev I.S., Khomutov S.Yu., Polozov Yu.A., Yoshikawa A., Yumoto K.,Magnetic and ionospheric observations in the Far Eastern region of Russia during the magnetic storm of 5 April 2010, Sun and Geosphere., 2015. - Vol.10, N2. - P.133-140

67.       BR Kalita, PK Bhuyan, A Yoshikawa, NmF2 and hmF2 measurements at 95° E and 127° E around the EIA northern crest during 2010–2014, Earth, Planets and Space 67 (1), 1-22, 2015

68.       Yoshimasa Tanaka, Yasunobu Ogawa, Akira Kadokura, Noora Partamies, Daniel Whiter, Carl-Fredrik Enell, Urban Brändström, Tima Sergienko, Björn Gustavsson, Alexander Kozlovsky, Hiroshi Miyaoka, Akimasa Yoshikawa, Eastward-expanding auroral surges observed in the post-midnight sector during a multiple-onset substorm, Earth, Planets and Space 67 (1), 1-10, 2015

69.       Nurul Shazana Abdul Hamid, Huixin Liu, Teiji Uozumi and Akimasa Yoshikawa (2015), Empirical model of equatorial electrojet based on ground-based magnetometer data during solar minimum in fall, Earth, Planets and Space (2015) 67:205 DOI 10.1186/s40623-015-0373-1

70.       Ieda, A., S. Oyama, H. Vanhamaki, R.Fujii, A. Nakamizo, O. Amm, T. Hori, M. Takeda, G. Ueno, A. Yoshikawa, R. J. Redmon, W. F. Denig, Y. Kamide and N. Nishitan (2015), Approximate forms of daytime ionospheric conductance, J. Geophys. Res. Space Physics, 119, 10,397–10,415. doi:10.1002/2014JA020665.

71.       Wang, G. Q., M. Volwerk, R. Nakamura, P. Boakes, T. L. Zhang, A. Yoshikawa, and D. G. Baishev (2015), Flapping current sheet with superposed waves seen in space and on the ground, J. Geophys. Res. Space Physics, 119, 0,078–10,091. doi:10.1002/2014JA020526.

72.       O.S. Bolaji, A.B. Rabiu, O.R. Bello, A. Yoshikawa, K. Yumoto, O.O. Odeyemi and O. Ogunmodimu (2015), Spatial Variability of Solar Quiet Fields Along 960 Magnetic Meridian in Africa: Results from Magdas, J. Geophys. Res. Space Physics, Accepted manuscript online: 26 MAR 2015, DOI: 10.1002/2014JA020728

73.       Takla, E. M., H. Odah, E. M. Abd Elaal, A. Yoshikawa, H. Kawano, T. Uozumi, (2015), The 2011 Eruption of Aso Volcano in Japan and its Signature on the Geomagnetic Field Measurements, Arabian Journal of Geosciences, DOI 10.1007/s12517-015-1858-8.

74.       OS Bolaji, EO Oyeyemi, PR Fagundes, AJ de Abreu, R de Jesus, and A. Yoshikawa (2015), Counter Electrojet Events using Ilorin Observations during a Low Solar Activity Period, 2015, The African Review of Physics 9.

75.       Nurul Shazana Abdul Hamid, Huixin Liu, Hanifa Ab Hadin, Teiji Uozumi, Geri Kibe Gopir and, Akimasa Yoshikawa, (2015) Longitudinal and Solar Activity Dependence of Equatorial electrojet at Southeast Asian sector, accepted to proceedings of 2015 IEEE International Conference on Space Science & Communication (IconSpace2015)

76.       NSA Hamid, MH Jusoh, FAM Kasran, M Abdullah, B Veenadhari, T Uozumi, S Abe, A Yoshikawa, MG Cardinal, Variations of ULF and VLF during moderate geomagnetic storm at equatorial region, IEEE, IconSpace, 256-261, 2015

77.       NSA Hamid, H Liu, T Uozumi, GK Gopir, HA Hadin, A Yoshikawa, Longitudinal and solar activity dependence of equatorial electrojet at Southeast Asian sector, IEEE, IconSpace,262-266, 2015

78.       Sit Niir Aisyah Ahmad, Mohamad Huzaimy Jusoh, Mohd Shariff, Khairul Khaizi, Mardina Abdullah, Mhd Fairos Asillam, B Veenadhari, T Uozumi, S Abe, A Yoshikawa, MG Cardinal (2014), Data Processing Method to classify Pc5 ULF Pulsations due to Solar Wind Perturbations at Equatorial region, ISSN E-ISSN: 1790-5052 2224-3488, Volume 10, 2014, Art. #34, pp. 337-344

79.       Liu, J., L. Liu, T. Nakamura, B. Zhao, B. Ning, and A. Yoshikawa (2014), A case study of ionospheric storm effects during long-lasting southward IMF Bz-driven geomagnetic storm, J. Geophys. Res. Space Physics, 119, 7716–7731, doi:10.1002/2014JA020273.

80.       Teramoto, M., N. Nishitani, V. Pilipenko, T. Ogawa, K. Shiokawa, T. Nagatsuma, A. Yoshikawa, D. Baishev, and K. T. Murata (2014), Pi2 pulsation simultaneously observed in the E and F region ionosphere with the SuperDARN Hokkaido radar, J. Geophys. Res. Space Physics, 119, 3444–3462, doi:10.1002/2012JA018585.

81.       F Cuturrufo, V Pilipenko, B Heilig, M Stepanova, H Lühr, P Vega and A. Yoshikawa (2014), Near-equatorial Pi2 and Pc3 waves observed by CHAMP and on SAMBA/MAGDAS stations, Advances in Space Research 11/2014; DOI:10.1016/j.asr.2014.11.010

82.       Yamazaki, Y., A. D. Richmond, A. Maute, Q. Wu, D. A. Ortland, A. Yoshikawa, I. A. Adimula, B. Rabiu, M. Kunitake, and T. Tsugawa (2014), Ground magnetic effects of the equatorial electrojet simulated by the TIE-GCM driven by TIMED satellite data, J. Geophys. Res. Space Physics, 119, 3150–3161, doi:10.1002/2013JA019487.

83.       Takla, E.M., A. Yoshikawa, H. Kawano, T. Uozumi, S. Abe (2014) Anomalous Geomagnetic Variations Associated with the Volcanic Activity of the Mayon Volcano, Philippines during 2009-2010, NRIAG Journal of Astronomy and Geophysics, DOI 10.1016/j.nrjag.2014.09.001.

84.       Cardinal, M. G., A. Yoshikawa, H. Kawano, H. Liu, M. Watanabe, S. Abe, T. Uozumi, G. Maeda, T. Hada, and K. Yumoto (2014), Capacity Building: A Tool for Advancing Space Weather Science, Space Weather, 12, 571–576, doi:10.1002/2014SW001110.

85.       Imajo S., K.aYumoto, T.Uozumi, H.Kawano, S.Abe, A.Ikeda, K.Koga, H. Matsumoto, T.Obara, R.Marshall, V.A. Akulichev, A. Mahrous, .Liedloff, and A.Yoshikawa (2014), Analysis of propagation delays of compressional Pi 2 waves between geosynchronous altitude and low latitudes, Earth, Planets and Space, 66:20 (24 April 2014)

86.       Nurul Shazana Abdul Hamid, Huixin Liu, Teiji Uozumi, Kiyohumi Yumoto, Bhaskara Veenadhari, Akimasa Yoshikawa, Jairo Avendaño Sanchez (2014), Relationship between the Equatorial Electrojet and Global Sq Currents at the Dip Equator Region, Earth, Planets and Space 2014, 66:146, doi:10.1186/s40623-014-01

87.       Hafez Ali G.; Ghamry Essam; Yayama Hideki, Yumoto Kiyohumi, Systematic examination of the geomagnetic storm sudden commencement using multi resolution analysis, ADVANCES IN SPACE RESEARCH, Vol.51 No.1 pp: 39-49 DOI: 10.1016/j.asr.2012.07.035 ,JAN 1 2013.

88.       Rabiu, A. B.; Onwumechili, C. A.; Nagarajan, N, Yumoto K., Characteristics of equatorial electrojet over India determined from a thick current shell model, JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, Vol.92 pp105-115 DOI: 10.1016/j.jastp.2012.10.014, JAN 2013

89.       Pilipenko, V. A.; Fedorov, E. N.; Teramoto, M.;Yumoto K.,The mechanism of mid-latitude Pi2 waves in the upper ionosphere as revealed by combined Doppler and magnetometer observations, ANNALES GEOPHYSICAE, Vol.31 No. 4, pp: 689-695 DOI: 10.5194/angeo-31-689-2013: 2013

90.       Fujita, Shigeru; Glassmeier, Karl-Heinz;Lee, Dong-Hun; Lysak, Robert; Otani, Shin-ichi, Yumoto Kiyohumi, Preface, EARTH PLANETS AND SPACE, Vol. 65, No. 5 pp: 367-367 DOI: 10.5047/eps.2013.05.013 , 2013

91.       Bolaji, O. S.; Adimula, I. A.; Adeniyi, J. O.; Adeniyi, J. O; Yumoto K., Variability of Horizontal Magnetic Field Intensity Over Nigeria During Low Solar Activity, EARTH MOON AND PLANETS, Vol: 110, No: 1-2 pp: 91-103 DOI: 10.1007/s11038-012-9412-0, FEB 2013

92.       Hafez Ali G.; Ghamry Essam; Yayama Hideki, Yumoto Kiyohumi, Un-decimated discrete wavelet transform based algorithm for extraction of geomagnetic storm sudden commencement onset of high resolution records, COMPUTERS & GEOSCIENCES, Vol: 51 pp: 143-152 DOI: 10.1016/j.cageo.2012.07.008 ,FEB 2013

93.       Adebesin, B. O.; Adeniyi, J. O.; Adimula, I. A.; Reinisch, B. W; Yumoto K., F2 layer characteristics and electrojet strength over an equatorial station, ADVANCES IN SPACE RESEARCH, Vol: 52, No: 5, pp: 791-800 DOI: 10.1016/j.asr.2013.05.025 , SEP 1 2013

94.       Wei, Y., Fraenz, M, Dubinin, E., He, M., Ren Z., Zhao, B, Liu, J., Wan, W, Yumoto K., Watari S., et al, Can a nightside geomagnetic Delta H observed at the equator manifest a penetration electric field?, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS , Volume: 118,, Issue: 6 , Pages: 3557-3567 , DOI: 10.1002/jgra.50174 , Published: JUN 2013

95.       Ohtani, S, Uozumi T., Kawano H., Yoshikawa A., Utada H, Nagatsuma T., Yumoto K., The response of the dayside equatorial electrojet to step-like changes of IMF B-Z, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS ,Volume: 118, Issue: 6, Pages: 3637-3646 , DOI: 10.1002/jgra.50318 , Published: JUN 2013

96.       Ghamry, Essam, Hafez, Ali G, Yumoto Kiyohumi, Yayama, Hideki, Effect of SC on frequency content of geomagnetic data using DWT application: SC automatic detection, EARTH PLANETS AND SPACE , Volume: 65 , Issue: 9 , Pages: 1007-1015 , DOI: 10.5047/eps.2013.04.006 , Published: 2013

97.       Rastogi, R. G.; Chandra, H., Yumoto K., Unique examples of solar flare effects in geomagnetic H field during partial counter electrojet along CPMN longitude sector, EARTH PLANETS AND SPACE ,Volume: 65, Issue: 9 , Pages: 1027-1040 , DOI: 10.5047/eps.2013.04.004 , Published: 2013

98.       O.R. Bello, A.B. Rabiu, K. Yumoto, E. Yizengaw, Mean Solar Quiet Daily Variations in the Earth’s Magnetic Field Along East African Longitudes, Advances in Space Research, S0273-1177(13)00761-8, DOI: http://dx.doi.org/10.1016/j.asr.2013.11.058, JASR 11629, 2013 Accepted Yoshikawa A., O. Amm, H. Vanhamäki, A. Nakamizo and R. Fujii (2013a), Theory of Cowling Channel formation by reflection of shear Alfven wave from auroral ionosphere, J. Geophys. Res. Space Physics, doi: 10.1002/jgra.50514.

99.       Shi, R., H. Liu, A. Yoshikawa, B. Zhang, and B. Ni (2013), Coupling of electrons and inertial Alfven waves in the topside ionosphere, J. Geophys. Res. Space Physics, 118, 2903–2910, doi:10.1002/jgra.50355.

100.    Ohtani, S., T. Uozumi, H. Kawano, A. Yoshikawa, H. Utada, T. Nagatsuma, and K. Yumoto (2013), The response of the dayside equatorial electrojet to step-like changes of IMF BZ, J. Geophys. Res. Space Physics, 118, 3637–3646, doi:10.1002/jgra.50318.

101.    Amm, O., R. Fujii, H. Vanhamäki, A. Yoshikawa, and A. Ieda (2013), General solution for calculating polarization electric fields in the auroral ionosphere and application examples, J. Geophys. Res. Space Physics, 118, 2428–2437, doi:10.1002/jgra.50254.

102.    Yoshikawa A., O. Amm, H. Vanhamäki, A. Nakamizo and R. Fujii (2013a), Theory of Cowling Channel formation by reflection of shear Alfven wave from auroral ionosphere, J. Geophys. Res. Space Physics, doi: 10.1002/jgra.50514.

103.    Yoshikawa A., O. Amm, H. Vanhamäki, and R. Fujii (2013b), Illustration of Cowling Channel coupling to the shear Alfven wave, J. Geophys. Res. Space Physics, doi: 10.1002/jgra.50513.

104.    Yamazaki, Y., K. Yumoto, D.J. McNamara, T. Hirooka, T. Uozumi, T. Kitamura, S. Abe, and  A. Ikeda, Ionospheric current system during sudden stratospheric warming events(2012), J. Geophys. Res., 117, A03334, DOI: 10.1029/2011JA017453

105.    Yamazaki Y., A.D. Richmond and K. Yumoto, Stratospheric warmings and the geomagnetic lunar tide: 1958-2007(2012), J. Geophys. Res., 117, A04301, DOI: 10.1029/2012JA01751

106.    Takla, E. M. and Yumoto, K. (2012), Commentary report on: The Comment by Dr. F. Masci on "Possible association between anomalous geomagnetic variations and the Molise Earthquakes at Central Italy during 2002" by Takla et al. (2011) , PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Vol. 202, pp. 95-96, DOI: 10.1016/j.pepi.2012.02.005, Aug. 2012

107.    Park, J., Min, K. W., Parks, G. K., Zhang, Y., Lee, J-J., Baker, J. B. H., Kim, H. J., Hwang, J., Yumoto, K., Uozumi, T., Lee, C. N. (2012), Dayside and nightside segments of a polar arc: The particle characteristics, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol. 117, A07224, DOI: 10.1029/2011JA017323, Jul. 31, 2012

108.    Varlamov, Anton, Smirnova, Natalia, Hayakawa, Masashi, Yumoto, Kiyohumi (2012), Fractal characteristics of the ULF emissions along a meridian profile based on the 210 MM stations data, ACTA GEOPHYSICA, Vol. 60, No.3, pp.928-941, DOI:10.2478/s11600-012-0035-7, Jun. 2012

109.    Takahashi, K, Yumoto, K, Claudepierre, SG, Sanchez, ER, Troshichev, OA, Janzhura, AS (2012), Dependence of the amplitude of Pc5-band magnetic field variations on the solar wind and solar activity, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol.117, A04207, DOI:10.1029/2011JA017120, Apr. 10, 2012

110.    Baishev, D. G., Barkova, E. S., Yumoto, K. (2012), Optical Observations of Large-Scale Undulations in the 23rd Cycle of Solar Activity, GEOMAGNETISM AND AERONOMY, Vol.52, No. 2, pp.197-203, DOI: 10.1134/S0016793212020028, Apr. 2012.

111.    Takla, E. M., Yumoto, K., Ishitsuka, J., Rosales, D., Dutra, S., Uozumi, T., Abe, S. (2012), Geomagnetic variations possibly associated with the Pisco earthquake on 15 August 2007, Peru,  TECTONOPHYSICS, Vol. 524, pp.29-36, DOI :10.1016/j.tecto.2011.12.008, Feb. 20, 2012

112.    Yamazaki, Y, Yumoto, K (2012), Long-term behavior of annual and semi-annual S-q variations,  EARTH PLANETS AND SPACE, Vol. 64, No. 6, pp. 417- 423, DOI: 10.5047/eps.2011.01.014

113.    El Hawary, R., Yumoto, K., Yamazaki, Y., Mahrous, A., Ghamry, E., Meloni, A., Badi, K., Kianji, G., Uiso, C. B. S., Mwiinga, N., Joao, L., Affluo, T., Sutcliffe, P. R., Mengistu, G., Baki, P., Abe, S., Ikeda, A., Fujimoto, A., Tokunaga, T. (2012), Annual and semi-annual S-q variations at 96 degrees MM MAGDAS I and II stations in Africa, EARTH PLANETS AND SPACE, Vol. 64, No. 6, pp. 425-432, DOI: 10.5047/eps.2011.10.013

114.    Shiokawa, K., Y. Miyoshi, P. C. Brandt, D. S. Evans, H. U. Frey, J. Goldstein, and K. Yumoto (2012), Ground and satellite observations of low-latitude red auroras at the initial phase of magnetic storms, J. Geophys. Res., Vol. 118, No.1,  pp 256-270 , DOI: 10.1029/2012JA018001, JAN 2013

115.    Fujii, R., O. Amm, H. Vanhamäki, A. Yoshikawa, and A. Ieda (2012), An application of the finite length Cowling channel model to auroral arcs with longitudinal variations, J. Geophys. Res., 117, A11217, doi:10.1029/2012JA017953.

116.    Tanaka, Y.-M., Y. Ebihara, S. Saita, A. Yoshikawa, Y. Obana, and A. T. Weatherwax (2012), Poleward moving auroral arcs observed at the South Pole Station and the interpretation by field line resonances, J. Geophys. Res., 117, A09305, doi:10.1029/2012JA017899.

117.    Vanhamäki, H., A. Yoshikawa, O. Amm, and R. Fujii (2012), Ionospheric Joule heating and Poynting flux in quasi-static approximation, J. Geophys. Res., 117, A08327, doi:10.1029/2012JA017841.

118.    Yumoto, K., H. Hayakawa, T. Obara, S. Watari and STPP Sub-Committee of Japan (2011), Update on Japan’s Contribution to the ISWI, SUN and GEOSPHERE Vol.6, No.2, pp.71-78.

119.    Yumoto, K. (2011), Capacity Building of MAGDAS, SUN and GEOSPHERE Vol.6, No.2, pp.79-82.

120.    Adimula, A, A. B. Rabiu, Y. Yumoto, MAGDAS Group(2011), Geomagnetic Field Variations from some Equatorial Electrojet Stations, SUN and GEOSPHERE Vol.6, No.2, pp.39-43.

121.    Gadimova, S.,  H.J. Haubold, D. Danov, K. Georgieva, G. Maeda, K. Yumoto, J.M. Davila, N. Gopalswami (2011), United Nations Basic Space Science Initiative: 2010 Status Report on the International Space Weather Initiative, SUN and GEOSPHERE Vol.6, No.1, pp.3-12.

122.    Ghamry, E., A. Mahrous, R. El-Hawary, K. Yumoto (2011), Behavior of the Sq Diurnal Magnetic Variation over Egypt, SUN and GEOSPHERE Vol.6, No.2, pp.45-48.

123.    Kawano, H., S. Ohtani, T. Uozumi, T. Tokunaga, A. Yoshikawa, K. Yumoto, E.A. Lucek, Mats Andre, and the CPMN group (2011), Pi 2 waves simultaneously observed by Cluster and CPMN ground-based magnetometers near the plasmapause, Ann. Geophys., 29, 1663-1672, doi:10.5194/ angeo-29-1663-2011.

124.    Liu, H., M. Yamamoto, S. Tulasi Ram, T. Tsugawa, Y. Otsuka, C. Stolle, E. Doornbos, K. Yumoto, and T. Nagatsuma (2011), Equatorial electrodynamics and neutral background in the Asian sector during the 2009 stratospheric sudden warming, J. Geophys. Res., 116, A08308, doi:10.1029/2011JA016607.

125.    Lepidi, S., A. Meloni, P. Palangio, K. Yumoto (2011), The contribution of L'Aquila (Italy) Geomagnetic Observatory to MAGDAS project, SUN and GEOSPHERE Vol.6, No.2, pp.49-53.

126.    Maeda, G., K. Yumoto, Y. Kakinami, T. Tokunaga, A. Fujimoto, A. Ikeda, Y. Yamazaki, S. Abe, M. Sakai, N. Eto, H. Terada, M. Shinohara, Y. Fujita, K. Matsuyama (2011), Deployment of MAGDAS in Africa, SUN and GEOSPHERE Vol.6, No.2, pp.55-59.

127.    Morioka, A., Y. Miyoshi, F. Tsuchiya, H. Misawa, Y. Kasaba, T. Asozu, S. Okano, A. Kadokura, N. Sato, H. Miyaoka, K. Yumoto, G. K. Parks, F. Honary, J. G. Trotigno, P. M. E. Décréau, B. W. Reinisch (2011), On the simultaneity of substorm onset between two hemispheres, J. Geophys. Res., Vol. 116, No. A4, A04211doi:10.1029/2010JA016174.  

128.    Okubo, K., N. Takeuchi, M. Utsugi, K. Yumoto, Y. Sasai (2011); Direct magnetic signals from earthquake rupturing: Iwate-Miyagi earthquake of M 7.2, Japan, Earth and Planetary Science Letters, doi:10.1016/j.epsl.2011.02.042, 305, 6572. Rabiu, A.B., K.Yumoto E.O. Falayi, O. R.Bello, MAGDAS/CPMN Group (2011), Ionosphere over Africa: Results from Geomagnetic Field Measurements During International Heliophysical Year IHY, SUN and GEOSPHERE Vol.6, No.2, pp.61-64.

129.    Takla, E. M., K. Yumoto, P. R. Sutcliffe, V. M. Nikiforov and R. Marshall (2011), Possible Association between Geomagnetic Anomalies and the Molise Äb01 Earthquake, Central Italy during 2002, Phys. Earth Planet. In. (PEPI), doi:10.1016/j.pepi.20109.12.003, Vol. 185, 29-35. Takla, E.M., K. Yumoto, J.Y. Liu, Y. Kakinami, T. Uozumi, S. Abe and A. Ikeda (2011), Anomalous geomagnetic variations possibly linked with the Taiwan Earthquake (Mw= 6.4) on 19 December 2009, Intl. J. Geohys., Vol. 2011, p.1-10, doi;10.1155/2011/848467.

130.    Takla, E.M., K. Yumoto, M. G. Cardinal, S. Abe, A. Fujimoto, A. Ikeda, T. Tokunaga, Y. Yamazaki, T. Uozumi, A. Mahrous, E. Ghamry,, G. Mengistu, T. Afullo, A. Macamo, L. Joao, H. Mweene, N. Mwiinga, C. Uiso, P. Baki, G. Kianji, K. Badi, P. Sutcliffe, P. Palangio (2011), A study of latitudinal dependence of Pc 3-4 amplitudes at 96 magnetic meridian stations in Africa, SUN and GEOSPHERE Vol.6, No.2, pp.65-70.

131.    Uozumi, T., K. Yumoto, T. Tokunaga, S. I. Solovyev, B. M. Shevtsov, R. Marshall, K. Liou, S. Ohtani, S. Abe, A. Ikeda, K. Kitamura, A. Yoshikawa, H. Kawano, and M. Itonaga (2011), AKR modulation and Global Pi 2 oscillation: Jan. 24, 1997 event, J.Geophys. Res., VOL. 116, A06214, 15PP., doi:10.1029/2010JA016042.

132.    Vasiliy S.V., C.W. Smith, C.J. Farrugia, C.J. Meredith, Q. Hu, A. Szabo, R.M. Skoug, C.M.S. Cohen, A.J. Davis, and K. Yumoto (2011), Use of single-component wind speed in Rankine-Hugoniot analysis of interplanetary shocks, SPACE WEATHER, VOL. 9, S04001, 9 PP., 2011doi:10.1029/2010SW000631

133.    Vorotnikov, V.S., C.W. Smith, C.J. Farrugia, C.J. Meredith, Qiang Hu, A, Szabo, R.M. Skoug, C.M.S. Cohen, A. J. Davis, and K. Yumoto (2011), Use of singlecomponent wind speed in Rankine Hugoniot analysis of interplanetary shocks, Space weather, 9, S04001, doi:10.1029/ 2010AW000631, 2011.

134.    Yamazaki, Y., and K. Yumoto (2011), Long-term behavior of annual and semi-annual Sq variations, Earth and Planetary Sciences, 59, in press.

135.    Yamazaki, Y., K. Yumoto, M. G. Cardinal, B. J. Fraser, P. Hattori, Y. Kakinami, J. Y. Liu, K. J. W. Lynn, R. Marshall, D. McNamara, T. Nagatsuma, V. M. Nikiforov, R. E. Otadoy, M. Ruhimat, B. M. Shevtsov, K. Shiokawa, S. Abe, T. Uozumi, and A. Yoshikawa (2011), An empirical model of the quiet daily geomagnetic field variation, 116, A10312,doi;10.1029/2011JA016487, J. Geophys. Res., doi;10.1029/2011JA016487.

136.    Yamazaki, Y., K. Yumoto, T. Uozumi, and M. G. Cardinal, Intensity variations of the equivalent Sq current system along the 210-degree magnetic meridian(2011), J. Geophys. Res., 116, A10308, doi:10.1029/ 2011JA016632

137.    Fujii, R., O. Amm, A. Yoshikawa, A. Ieda, and H. Vanjamakki (2011), Reformulation and energy flow of the Cowling channel, J. Geophys. Res, 116, A02305, doi:10.1029/2010JA015989.

138.    Amm O., R. Fujii, K. Kauristie, A. Aikio, A. Yoshikawa, A. Ieda, H. Vanhamaki (2011), A statistical investigation of the Cowling channel efficiency in the auroral zone, J. Geophys. Res, 116, A02304, doi:10.1029/2010JA015988.

139.    Yoshikawa A., A. Nakamizo, O. Amm, H. Vanhamaki, R. Fujii, Y.-M. Tanaka, T.Uozumi, K. Yumoto and S. Ohtani (2011),  A self-consistent formulation for the evolution of ionospheric conductances at the ionospheric E region within the M-I coupling scheme, J. Geophys. Res., 116, A08218.doi:10.1029/2011JA016460.

140.    Yoshikawa A., O. Amm, H. Vanhamäki, and R. Fujii (2011a), A self-consistent synthesis description of magnetosphere-ionosphere coupling and scaledependent auroral process using shear Alfvén wave, J. Geophys. Res., 116, A08218, doi:10.1029/2011JA016460.

141.    Yumoto, K.and the MAGDAS/CPMN Group (2010); A Review of MAGDAS/CPMN Project during IHY, Nigerian Journal of Space Research (ISSN 0794-4489), Vol. 8, March 30, 2010, DEUTCHETZ Publishers, pp.349-390.

142.    Tanaka T., A. Nakamizo, A. Yoshikawa , S. Fujita, H. Shinagawa, H. Shimazu, T. Kikuchi, K. Hashimoto, (2010), Substorm convection and current system deduced from the global simulation-, J. Geophys. Res. 115, A05220, doi:10.1029/2009JA014676.

143.    Bolaji, O.S., A.B. Rabiu, I.A. Adimula, J.O. Adeniyi, and K. Yumoto (2010); Interhemispheric trans-equatorial field-aligned currents deduced from MAGDAS at equatorial zone, Space Res. J. ISSN 1819-3382, pp.1-11.

144.    Chakrabarty D., R. Sekar, J. H. Sastri, B. M. Pathan, G. D. Reeves, K. Yumoto, and T. Kikuchi (2010), Evidence for OI 630.0 nm dayglow variations over low latitudes during onset of a substorm, J. Geophys. Res., vol. 115, A10316, 10 PP, 2010, doi:10.1029/2010JA015643.

145.    Fejer B.G., M.E. Olson, J.L. Chau, C. Stolle, H. Luhr, L.P. Goncharenko, K. Yumoto, and T. Nagatsuma (2010), Longitude dependent equatorial ionospheric electrodynamic effects during sudden stratospheric warmings, J. Geophys. Res., Vol. 115, A00G03, 9 PP., 2010 doi:10.1029/2010JA015273.

146.    Fukazawa, K., T. Aoyama, T. Ogino, and K. Yumoto (2010), Response of the reconnection electric field and polar cap potential to the IMF and velocity of solar wind, J. Atmos. Solar-Terres. Phys., doi:10.1016/j.jastp.2010.06.002, pp.1-3.

147.    Ikeda A., Yumoto K., Uozumi T., Shinohara M., Nozaki K., Yoshikawa A., Bychkov V.V., and Shevtsov B.M. (2010a); Phase relation between Pi 2-associated ionosperic Doppler velocity and magnetic pulsation observed at midlatitude MAGDAS station, J. Geophys. Res., 115, A02215, doi 10.1029/2009JA014397, pp.1-7.

148.    Ikeda, A., A. Yoshikawa, M.G. Cardinal, K. Yumoto, M. Shinohara, K. Nozaki, B.M. Shevtsov, V.V. Bychknov, Q. M. Sugon, Jr., and D. McNamara (2010b); Ionospheric observation using FM-CW radar array, Advance in Geoscience, Vol. 21; Solar & Terrestrial Science, Ed. Marc Dulding, World Sci. Publ. Comp.,May 10, 2010, pp. 379-391.

149.    Mahrous, A., Ghamry, E., Elhawary, R., Fathy, I., Yamazaki, Y., Abe, S., Uozumi, T., Yumoto, K., (2010), First MAGDAS Installation at Fayum in Egypt, Advances in Space Research, doi: 10.1016/j.asr.2010.04.022, pp.1-5.

150.    Morioka A., Y. Miyoshi, Y. Miyashita, Y. Kasaba, H. Misawa, F. Tsuchiya, R. Kataoka, A. Kadokura, T. Mukai, K. Yumoto, D. J. Menietti, G. Parks, K. Liou, F. Honary, and E. Donovan (2010), Two-step evolution of auroral acceleration at substorm onset, J. Geophys. Res., Vol. 115, A11213, doi:10.1029/2010JA015361, pp.1-21.

151.    Park, J., Min, K. W., Summers, D., Hwang, J., Kim, H. J., Horne, R. B., Kirsch, P., Yumoto, K., Uozumi, T., Lühr, H., and Green, J. (2010), Non-stormtime injection of energetic particles into the slot-region between Earth's inner and outer electron radiation belts as observed by STSAT-1 and NOAA-POES, Geophys. Res. Lett., Vol. 37, No. 16, L16102, doi:10.1029/2010GL043989, pp. 1-5.

152.    Pilipenko, V., E. Federov, K. Yumoto, A. Ikeda, and T.R. Sun (2010), An analytical model for Doppler frequency variations of ionospheric HF sounding caused by SSC, J. Geophys. Res., Vol.115, doi:10.1029/2010JA015403, pp. 1-9.

153.    Shinbori, A., Y. Nishimura, Y. Tsuji, T. Kikuchi, T. Araki, A. Ikeda, T. Uozumi, R. E. S. Otadoy, H. Utada, J. Ishitsuka, N. B. Trivedi, S. L. G. Dutra, N. J. Schuch, S. Watari, T. Nagatsuma, and K. Yumoto (2010), Anomalous Occurrence Feature of the Preliminary Impulse of Geomagnetic Sudden Commencement (SC) in the South Atlantic Anomaly (SAA) region, J. Geophys. Res., Vol. 115, A08309, doi:10.1029/2009JA015035.

154.    Weimer, D.R., C. R. Clauer, M. J. Engebretson, T. L. Hansen, H. Gleisner4, I. Mann, and K. Yumoto (2010), Statistical maps of geomagnetic variations as a function of the interplanetary magnetic field, J, Geophys. Res., in press.

155.    Yamazaki, Y., K. Yumoto, T. Uozumi, S. Abe, M. G. Cardinal, D. McNamara, R. Marshall, B. M. Shevtsov and S. I. Solovyev (2010), Re-examination of Sq-EEJ relationship based on extended magnetometer networks in the east Asian region, J. Geophys. Res., Vol. 115, A09319, 8 pp., 2010, doi:10.1029/2010JA015339.

156.    Yoshikawa A., H. Nakata, A. Nakamizo, T. Uozumi, M. Itonaga, S. Fujita, K. Yumoto, and T. Tanaka (2010); Alfvenic-coupling algorithm for global and dynamical magnetosphere-ionosphere coupled system, J. Geophys. Res., 115, A04211, 7 pp., doi;10.1029/2009JA014924.

157.    Yumoto, K., S. Ikemoto, M.G. Cardinal, M. Hayakawa, K. Hattori, J.Y. Liu , S. Saroso, Ruhimat M., M. Husni , D. Widarto, E. Ramos., D. McNamara, R.E. Otadoy, G. Yumul, R. Ebora and N. Servando (2009): A new ULF wave analysis for seismo-electromagnetics using CPMN/MAGDAS data, Physics and Chemistry of the Earth (J. Phys. Chem. Earth), doi:10.1016/j.pce.2008.04.005, 34, 360-366.

158.    Yumoto, K., and STPP Sub-committee (2009); International heliophysical year activities in Japan, Data Science Journal, Vol. 8, 30 March 2009, pp. S14-S23.

159.    Yumoto K., A. Ikeda, M. Shinohara, T. Uozumi, K. Nozaki, S. Watari, K. Kitamura, V. V. Bychkov, and B. M. Shevtsov (2009): Electric and Magnetic Field Variations at Low and Equatorial Latitudes During Sc, DP2, and Pi2 Events, Advances in Geosciences, Vol. 14, Solar Terrestrial, Eds. Marc Duldig et al., World Sci. Publ. Comp., pp.197-212.

160.    Yumoto, K. H. Kawano, and MAGDAS group (2009); MAGDAS for geospace environment monitoring, 26th ISTS-ISTS Special Issue of JSASS On-Line Journal, Trans. JSASS Space Technology Japan, Vol.7, No. ists26, pp. Tr_2-Tr_2_4.

161.    Yumoto, K., G. Maeda, S. Abe, T. Uozumi, A. Fujimoto, A. Ikeda, T. Tokunaga, Y. Yamazaki, T. Ueno, Y. Hitayama, B. Rabiu, C.B.S. Uiso, P. Baki, K.M. Badi, L. B. Kolawole, T. Afullo, A. Macamo, H. Mweene, and MAGDAS/CPMN Group (2009); Progress report on the global deployment of MAGDAS, Sun and Geosphere, in press.

162.    Fujimoto, A., T. Ueno, and K. Yumoto (2009); A science mission for QSAT project: Study of FACs in the polar and equatorial regions, Earth Moon Planet, doi 10.1007/s11038-008-9291-6, vol.104, pp. 181-187.

163.    Hasbi, A. M., M.A. Momani, M.A.M. Ali, N. Misran, K. Shiokawa, Y. Otsuka, and K. Yumoto (2009); Ionospheric and geomagnetic disturbances dyring the 2005 Sumatran earthquakes, J. Atmos. Solar-Terres. Phys., 71, doi;10.1016/j.jastp.2009.09.004, p. 1992-2005.

164.    Keika K., Nakamura R., Baumjohann W., Angelopoulos V., Chi P.J., Glassmeier K.H, Filling M., Magnes W., Auster H.U., Fornaçon K.H., Reeves G.D., Yumoto K., Lucek E.A., Carr C.M., and Dandouras I. (2009); Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause, J. geophys. Res., 114, doi:10.1029/2008JA013445.

165.    Li, G., B. Ning, B. Zhao, L. Liu, W. Wan, F. Ding, J. S. Xu, J. Y. Liu, and K. Yumoto (2009), Characterizing the 10 November 2004 storm-time middle-latitude plasma bubble event in Southeast Asia using multi-instrument observations, J. Geophys. Res., 114, A7, doi:10.1029/2009JA014057.

166.    Maeda, G., K. Yumoto and the MAGDAS Group (2009); Progress report on the deployment of MAGDAS, Earth Moon Planet, doi 10.1007/s11038-008-9284-5, vol.104, pp.271-275.

167.    Maeda, N., S. Takasaki, H. Kawano, S. Ohtani, P. M. E. Decreau, J. G.Trotignon, S. I. Solovyev, D. G. Baishev, and K. Yumoto (2009), Simultaneous observations of the plasma density on the same field line by the CPMN ground magnetometers and the Cluster satellites, Advances in Space Research (J. Adv. Space Res.), 43, doi:10.1016/j.asr.2008.04.016, p.265-272.

168.    Morioka, A., Y. Miyoshi, F. Tsuchiya, H. Misawa, K. Yumoto, G.K. Parks, R.R. Anderson, J.D. Menietti, and F. Honary (2009); Vertical evolution of auroral acceleration at substorm onset, Ann. Geophys., 27, 525-535.

169.    Otadoy, R.E.S., D. McNamara, K. Yumoto, and MAGDAS group (2009); Proposal to use theMAGnetic Acquisition System(MAGDAS) of the Circum Pan-Pacific Magnetometer Network (CPMN) to study the equatorial electrojet: A Philippine contribution to the International Heliophysical Year, Earth Moon Planet, doi 10.1007/s11038-008-9271-x, ., vol. 104, pp. 167-172.

170.    Rabiu, A.B., I.A. Adimula, K. Yumoto, J.O. Adeniyi, G. Maeda, and MAGDAS/CPMN project group (2009); Preliminary results from the magnetic field measurements using MAGDAS at Ilorin, Nigeria, Earth Moon Planet, doi 10.1007/s11038-008-9290-7, vol. 104, pp. 173-179.

171.    Sahai,Y., F. Becker-Guedes, P. R. Fagundes, R. de Jesus, A. J. de Abreu, Y. Otsuka, K. Shiokawa, K. Igarashi, K. Yumoto, C.-S. Huang, H. T. Lan, A. Saito, F. L. Guarnieri, V. G. Pillat, and J. A. Bittencourt (2009); Effects observed in the ionospheric F region in the east Asian sector during the intense geomagnetic disturbances in the early part of November 2004, J. Geophys. Res., 114, doi:10.1029/2008JA013053, 2009, pp. 1-11.

172.    Saroso, S., K. Hattori, H. Ishikawa, Y. Ida, R. Shirogane, M. Hayakawa, K. Yumoto, K. Shiokawa and M. Nishihashi (2009); ULF geomagnetic anomalous changes possibly associated with 2004-2005 Sumatra earthquakes, Physics and Chemistry of the Earth (J. Phys. Chem. Earth), doi:10.1016/j.pce.2008.10.065, 34, 343-349.

173.    Solovyev, S.I., R.N. Boroyer, A.V. Moiseyev, A. Du and K. Yumoto (2009); Dynamics of the ionospheric electric currents and auroral luminosity boundaries during strong magnetic storms, Geomagnetism and Aeronomy, Vol. 49, No.4, pp.450-460.

174.    Thomas, J. N., J.J. Love, M.J.S. Johnston, and K. Yumoto (2009), On the reported magnetic precursor of the 1993 Guam earthquake, Geophs. Res. Lett., Vol.36, L16301, doi:10.1029GL039020, 2009, pp.1-5.

175.    Tsuruda, Y., A. Fujimoto, N. Kurahara, K. Yumoto, T. Hanada, and M. Cho (2009): QSAT the satellite for polar plasma observation, Earth Moon Planet, doi 10.1007/s11038-008-9281-8, vol.104, pp. 349-360.

176.    Uozumi, T., S. Abe, K. Kitamura, T. Tokunaga, A. Yoshikawa, H. Kawano, R. Marshall, R.J. Morris, B.M. Shevtsov, S.I. Solovyev, D.J. McNamara, K. Liou, S. Ohtani, M. Itonaga, and K. Yumoto (2009), Propagation characteristics of Pi 2 pulsations observed at high- and low-latitude MAGDAS/CPMN stations: A statistical study, J. Geophys. Res., Vol. 114, A11207, doi:10.1029/2009JA014163,pp. 1-16.

177.    Zhao, B., W. Wan, L. Liu, K. Igarashi, K. Yumoto, B. Ning (2009); Ionospheric response to the geomagnetic storm on 13–17 April 2006 in the West Pacific region, J. Atmos. Solar-Terre. Phys., 71, 88-100.

178.     Yoshikwa A., H. Nakata, A. Nakamizo, T. Uozumi, M. Itonaga, and K. Yumoto, (2009), A new magnetospherere- ionosphere coupling scheme for temporal and global magnetospheric MHD simulations, Mem. Fac. Sci., Kyushu Univ., Ser. D, Earth and Planet. Sci., Vol, XXXII, No2, 87-94, March 2, 2009.

179.    Yamazaki, Y., K. Yumoto, A. Yoshikawa, S. Watari, and H. Utada (2009); Characteristics of counter-Sq SFE at the Dip equator1 (SFE*) observed by CPMN stations, J. Geophys. Res., vol.114, A05306, doi:10.1029/2009JA014124, pp. 1-5.

180.    Yamazaki Y., Yumoto, T. Uozumi, K., Yoshikawa and M.G. Cardinal (2009); Equivalent current systems for the annual and semi-annual Sq variations observed along the 210 MM CPMN stations, J. Geophys. Res., Vol. 104, A12320, doi:10.1029/2009JA014638, pp. 1-9.

181.    Baishev D.G., G.V. Borisov, V.A. Velichko, S.N. Samsonov, and K. Yumoto (2008); Variations in the geomagnetic field and auroras during the main phase of a large magnetic storm of November 20, 2003, Geomagnetism and Aeronomy, 48, N0.2, 201-208.

182.    Chen, C.H., J.Y. Liu, K. Yumoto, C.H. Lin, and T.W. Fang (2008); Equatorial ionization anomaly of the total electron content and equatorial electrojet of ground-based geomagnetic field strength, J. Atmos. Solar-Terre. Phys., 70, 2171-2183.

183.    Guozhu Li, Baiqi Ning, Biqiang Zhao, Libo Liu, J.Y. Liu, K. Yumoto (2008); Effects of geomagnetic storm on GPS ionospheric scintillations at Sanya, J. Atmos. Solar-Terre. Phys., 70, 1034-1045.

184.    Huang C-S, K. Yumoto, S. Abe and G. Sofka (2008): Low-latitude ionospheric electric and magnetic field disturbances in response to solar wind pressure enhancements, J. Geophys. Res., Vol. 13, A08314, doi:10.1029/2007JA012940, 2008, p.11.

185.    Kepko, L., J. Raeder, V. Angelopoulos, J. McFadden, D. Larson, H.U. Auster, W. Magnes, H.U. Frey, C. Carlson, M. Henderson, S.B. Mende, K. Yumoto, H.J. Singer, G. Parks, I. Mann, C.T. Russell, E. Donovan, and R. McPherron (2008); Highly periodic stormtime activations observed by THEMIS prior to substorm onset, Geophys. Res. Lett., Vol. 35, L17S24, doi:10.1029/2008GL034235, p.5.

186.    Kitamura, M., K. Sekiguchi, K. Yumoto, and H.J. Haubold (2008); Third UN/ESA/NASA Workshop on the International Heliophysical Year 2007 and Basic Space Science, Earth Moon Planet, doi 10.1007/s11038-008-9276-5.

187.    Li, Guozhu, Baiqi Ning, Biqiang Zhao, Libo Liu, J.Y. Liu, K. Yumoto (2008); Effects of geomagnetic storm on GPS ionospheric scintillations at Sanya, J. Atmos. Solar-Terre. Phys., 70, 1034-1045.

188.    Liou K., K. Takahashi, P.T. Newell and K. Yumoto (2008): Polar Ultraviolet Imager observations of solar wind-driven ULF auroral pulsations: Geophys. Res. Let., Vol. 35., L16101, doi:10,1029/2008GL034953, 2008, p.5.

189.    Maeda, N., S. Takasaki, H. Kawano, S. Ohtani, P. M. E. Decreau, J. G.Trotignon, S. I. Solovyev, D. G. Baishev, and K. Yumoto (2008), Simultaneous observations of the plasma density on the same field line by the CPMN ground magnetometers and the Cluster satellites, Advances in Space Research (J. Adv. Space Res.), doi:10.1016/j.asr.2008.04.016.

190.    Morioka, A., Y. Miyoshi, F. Tsuchiya, H. Misawa, K. Yumoto, G. K. Parks, R. R. Anderson, J. D. Menietti, E. F. Donovan, F. Honary, and E. Spanswick (2008), AKR breakup and auroral particle acceleration at substorm onset, VOL. 113, A09213, doi:10.1029/2008JA013322, 1-14.

191.    Nakajima A., K. Shiokawa, K. Seki, J.P. McFadden, C.W. Carlson, R.J. Strangeway and K. Yumoto (2008): Particle and field characteristics of broadband electrons observed by the FAST satellite during geomagnetic storms: A multievent study, J. Geophys. Res. 113(A06): A06221, doi:10.1029/2007JA013001.

192.    O. Amm, A. Aruliah, S.C. Buchert, R. Fujii, J.M. Gjerloev, A. Ieda, T. Matsuo, C. Stolle, H. Vanhamaki, and A. Yoshikawa, (2008), Understanding the electrodynamics of the 3-dimensional high-latitude ionosphere: present  and future, Annales Geophysicae, AG/2008057, 26, 3912-3913.

193.    Rastogi R.G., H. Chandra, M.E. James, Kentarou Kitamura and K. Yumoto (2008): Characteristics of the Equatorial Electrojet current in Central South America, Earth Planets Space, 60, 623-632.

194.    Sastri J.H., Yumoto K., Rao J.V., and Ikeda A (2008): Summer-winter hemisphere asymmetry of the preliminary reverse impulse of geomagnetic storm sudden commencements at midlatitudes: J. Geophys. Res., Vol.113, A05302, 2007JA012968.

195.    Solovyev, S.I., R.N. Boroyer, A.V. Moiseyev, A. Du and K. Yumoto (2008); Effect of auroral electrojets and solar wind parameters on variations in the intensity of low-latitude geomagnetic disturbances and Dst during the extremely large magnetic storm of November 20-21, 2003, Geomagnetism and Aeronomy, Vol. 48, No.3, pp.293-306.

196.    Tsurutani B.T., Verkhoglyadova O.P., Mannucci A.J., Saito A., Araki T., Yumoto K., Tsuda T., Abdu M.A., Sobral J.H.A., Gonzalez W.D., McCreadie H., Lakhina G.S., Vasyliunas V.M. (2008): Prompt Penetration Electric Fields (PPEFs) and Their Ionospheric Effects During the Great Magnetic Storm of October 30-31, 2003: J. Geophys. Res., Vol.113, A05311, doi:10.1029/2007JA012879

197.    Uozumi, T., K. Yumoto, K. Kitamura, S. Abe, Y. Kakinami, M. Shinohara, A. Yoshikawa, H. Kawano, T. Ueno, T. Tokunaga, D. McNamara, J. K. Ishituka, S.L.G. Dutra, B. Damtie, V. Doumbia, O. Obrou, A.B. Rabiu, I.A. Adimula, M. Othman, M. Fairos, R.E.S. Otadoy, and the MAGDAS Group (2008): A new index to monitor temporal and long-term variations of the Equatorial Electrojet by MAGDAS/CPMN real-time data: EE-Index, Earth Planets Space, 60, 785-790.

198.    Volwerk, M., R. Nakamura, W. Baumjohann, T. Uozumi, K. Yumoto, and A. Balogh (2008); Tailward propagation of Pi 2 waves in the Earth’s magnetotail lobe, Ann. Geophys., 26, 4023-4030.

199.    Yumoto K. and the MAGDAS Group (2007): Space weather activities at SERC for IHY: MAGDAS: Bull. Astr. Soc. India, 35, 511-522.

200.    Anghel, A., D. Anderson, N. Maruyama, J. Chau, K. Yumoto, A. Bhattacharyya, S. Alex (2007); Interplanetary electric fields and their relationship to low-latitude electric fields under disturbed conditions, J. Atmos. Solar-Terre. Phys., 69, 1147-1159.

201.    Bencze P., B. Heilig, B. Zieger, J. Szendroi, J. Vero, H. Luhr, K. Yumoto, Y. Tanaka, and J. Strestik (2007); Effect of the August 11, 1999 total solar eclipse on geomagnetic pulsations, Acta Geod. Geoph. Hung, Vol. 42(1), 23-58.

202.    Han D.-S., Yang H.-G., Chen Z.-T., Araki T., Dunlop M.W., Nose M., Iyemori T., Li Q., Gao Y.F. and Yumoto K. (2007): Coupling of perturbations in the solar wind density to global Pi3 pulsations: A case study: J. Geophys. Res.. Vol.112( A5): A05217

203.    Kozyreva, O.V., V.A. Pilipenko, M.J. Engebretson, K. Yumoto, J. Watermann, and N. Romanova (2007); In search of a new ULF wave index: Comparison of Pc5 power with dynamics of geostationary relativistic electrons, Planet. Space Sci., 55, 755-769.

204.    Kulesh, M, M. Nose, M. Holschneider and K. Yumoto (2007); Polarization analysis of a Pi 2 pulsation using continuous wavelet transform, Earth Planets Space, 59, No.8, 961-970.

205.    Morioka, A., Y. Miyoshi, F. Tsuchiya, H. Misawa, T. Sakanoi, K. Yumoto, R.R. Anderson, J.D. Menietti, and E.F. Donovan (2007); Dual structure of auroral acceleration regions at substorm onsets as derived from AKR spectra, J. Geophys. Res., Vol.112, A06245, doi:10.1029/2006JA012186

206.    Rastogi R.G. and K. Yumoto (2007): Equatorial electrojet in the East Brazil anomaly region, Earth Planet Space, 59, No.2, 103-106

207.    Tanaka Y-M., Yumoto K., Yoshikawa A., Itonaga M., Shinohara M., Takasaki S. and Fraser B.J. (2007): Horizontal amplitude and phase structure of low-latitude Pc3 pulsations around the dawn terminator: J. Geophys. Res. 112(A11): A11308.

208.    Tokunaga, T., H. Kohta, A. Yoshikawa, T. Uozumi, and K. Yumoto (2007); Global features of Pi 2 pulsations obtained by Independent Component Analysis, Geophys. Res. Lrtt., Vol. 34,L14106, doi:10.1029/2007GL030174

209.    Tsurutani, B.T., O.P. Verkhoglyadova, A.J. Mannucci, T. Araki, A. Sato, T. Tsuda, and K. Yumoto (2007); Oxygen ion uplift and satellite drag effects during the 30 October 2003 daytime superfountain event, Ann. Geophys., 25, 569-574.

210.    Uozumi, T., H. Kawano, A. Yoshikawa, M. Itonag, and K. Yumoto (2007); Pi 2 source region in the magnetosphere deduced from CPMN data, Planet. Space Sci., 55, 849-857, doi:10.1016/j.pss. 2006.03.01.

211.    Yago, K., K. Shiokawa, K. Yumoto, D. G. Baishev, S.I. Solovyev, and F.J. Rich (2007); Simultaneous DMSP, all-sky camera, and IMAGE FUV observations of a substorm brightening

212.    Yagova N., V. Pilipenko, J. Watermann, and K. Yumoto (2007); Control of high latitude geomagnetic fluctuations by interplanetary parameters: A role of suprathermal ions, Annales Geophysicae, 25, No.4, 1037-1047

213.    Abe, S., H. Kawano, J. Goldstein, S. Ohtani, S.I. Solovyev, D.G. Baishev, and K. Yumoto (2006); Simultaneous identification of plasmaspheric plume by a ground magnetometer pair and IMAGE EUV, J. Geophys. Res., Vol. 111, A11202, doi:10.1029/2006JA011653, 1-9.

214.    Anderson, D., A. Anghel, J.L. Chau, and K. Yumoto (2006); Global, low-latitude, vertical E x B drift velocities inferred from daytime magnetometer observations, Space Weather, Vol. 4, S08003, 1-9.

215.    Anderson, D., A. Anghel, J. Chau, K. Yumoto, A. Bhattacharyya and S. Alex (2006), Daytime, low latitude, vertical ExB drift velocities, inferred from ground-based magnetometer observations in the Peruvian, Philippine and Indian longitude sectors under quiet and disturbed conditions, Solar Influence on the Heliosphere and Earth’s Environment: Recent Progress and Prospects, Edited by N. Gopalswamy and A. Bhattacharyya, ISBN-81-87099-40-2, pp. 389-394.

216.    Huang Chao-Song and Kiyohumi Yumoto (2006); Quantification and hemispheric asymmetry of low-latitude geomagnetic disturbances caused by solar wind pressure enhancements, J. Geophys. Res., Vol. 111, A09316, doi: 10.1029/2006 JA011831, 1-11

217.    Lysak, R. L. and A. Yoshikawa (2006), Resonant Cavities and Waveguides in the Ionosphere and Atmosphere, Magnetospheric ULF Waves: Synthesis and New Directions, Geophys. Monogr. Ser., vol. 169., edited by  K. Takahashi, P. J. Chi, R. E. Denton, and R. L. Lysak, pp. 289-306, AGU,  Washington, D. C.

218.    Liu, J.Y., C.H. Chen, Y.I. Chen, H.Y. Yen, K. Hattori and K. Yumoto (2006); Seismo-geomagnetic anomalies and M> 5.0 earthquakes observed in Taiwan during 1988-2001, Physics and Chemistry of the Earth, 31, 215-222.

219.    Nishino, M, K. Makita., K. Yumoto, Y. Miyoshi, N. J. Schuch, and M.A. Abdu (2006), Energetic particle precipitation in the Brazilian geomagnetic anomaly during the “Bastille Day stor” of July 2000, Earth Planets Space, 58, 607-616.

220.    Rastogi, R.G., and K. Yumoto (2006); Equatorial electrojet in the East Brazil anomaly region, Earth Planets Space, 58 (No.2), 103-106.

221.    Sastri J. H., K. Yumoto, J. V. S. V. Rao and R. Subbiah (2006); On the nature of response of dayside equatorial geomagnetic H-field to sudden magnetospheric compressions, J. Atmos. Solar-Terr. Phys., 68, 1642-1652.

222.    Shi Y., E. Zesta, L. R. Lyons, K. Yumoto, and K. Kitamura (2006); Statistical study of effect of solar wind dynamic pressure enhancements on dawn-to-dusk ring current asymmetry, J. Geophys. Res., Vol. 111, A10216, doi:10.1029/ 2005JA011532, 2006, 1-11.

223.    Shiokawa, K., K. Seki, Y. Miyoshi, A. Ieda, T. Ono, M. Iizima, T. Nagatsuma, T. Obara, T. Takashima, K. Asamura, Y. Kasaba, A. Matsuoka, Y. Saito, H. Saito, M. Hirahara, Y. Tonegawa, F. Toyama, M. Tanaka, M. Nose, Y. Kasahara, K. Yumoto, H. Kawano, A. Yoshikawa, Y. Ebihara, A. Yukimatsu, and the Inner Magnetosphere Subgroup (2006); ERG -- A small-satellite mission to investigate the dynamics of the inner magnetosphere, Advances in Space Research, 38, 1861-1869.

224.    Takasaki, S., H. Kawano, Y. Tanaka, A. Yoshikawa, M. Seto, M. Iijima, Y. Obana, N. Sato and K. Yumoto (2006); A significant mass density increase during a large magnetic storm in October 2003 obtained by ground-based ULF observations at L 1.4, Earth Planets Space, 58, 617-622.

225.    Tsurutani, B.T., A. Saito, O.P. Verkhoglyadova, A.J. Mannucci, M.A. Abdu, T. Araki, W.D. Gonzalez, B.A.Iijima, G.S. Lakhina, H. McCrreadie, J.H.A. Soral, T. Tsuda, K. Yumoto, and V.M. Yasyliunas (2006), The dayside ionospheric “Superfountain” (DIS), plasma transport and other consequences, Solar Influence on the Heliosphere and Earth’s Environment: Recent Progress and Prospects, Edited by N. Gopalswamy and A. Bhattacharyya, ISBN-81-87099-40-2, pp. 384-388.

226.    Yumoto, K., and the MAGDAS Group (2006); MAGDAS project and its application for space weather, Solar Influence on the Heliosphere and Earth’s Environment: Recent Progress and Prospects, Edited by N. Gopalswamy and A. Bhattacharyya, ISBN-81-87099-40-2, pp. 399-405.

227.    Yoshikawa A., and H. Nakata, (2005), The approach to a new process of the magnetosphere-ionosphere coupling in global MHD simulations, Proceedings of International Space Ssimulation School, 7, 26-31, March, 2005.

228.    Huang, Chao-Song, Geoff D. Reeves, Guan Le, and K. Yumoto (2005); Are sawtooth oscillations of energetic plasma particle fluxes caused by periodic substorms or driven by by solar wind pressure enhancements ?, J. Geophys. Res., Vol. 110, No. A7, A07207, doi:10.1029/2005JA011018, 1-19.

229.    Kim, K.-H., K. Takahashi, D.-H. Lee, P. R. Sutclife, and k. Yumoto (2005); Pi 2 pulsations associated with poleward boundary intensifications during the absence of substorms, J. Geophys. Res., Vol. 110, No.A1, A01217, doi.org/10.1029/2004 JA010780, 1-15.

230.    Kim, K.-H, D.-H. Lee, R.-E. Denton, K. Takahashi, J. Goldstein, Y.-J. Moon, K. Yumoto, , Y.-S.P and A. Keiling (2005); Pi 2 pulsations in a small and strongly asymmetric plasmasphere, J.Geophys. Res., Vol. 110, A10, A10201, doi:10.1029/2005JA011179, 1-9.

231.    Kim, K.-H, D.-H. Lee, K. Takahashi, C.T. Russell, Y.-J. Moon, and K. Yumoto, (2005); Pi 2 pulsations observed from the Polar satellite outside the plasmapause, Geophys. Res. Lett., Vol.32, No.18, L18102, doi:10.1029/2005GL023872, 1-4.

232.    Kitamura, K., H. Kawano, S.-I. Ohtani, A. Yoshikawa and K. Yumoto (2005); Local-time distribution of low and middle latitude ground magnetic disturbances at sawtoot injections of April 18-19, 2002, J. Geophys. Res., Vol. 110, No. A7, A07208, doi:101029/2004JA011179, 1-11.

233.    Murata K.T., K. Yamamoto, D. Matsuoka, E. Kimura, H. Matsumoto, M. Okada, T. Mukai, J. B. Sigwarth, S. Fujita, T. Tanaka, K. Yumoto, T. Ogino, K. Shiokawa, N.A. Tsyganenk, J. L. Greenand T. Nagai (2005); Department of the Virtural Earth’s Magnetosphere Shstem(VEMS), Advances in Polar Upper Atmosphere Researc, No.19, 135-151.

234.    Obana, Y., A. Yoshikawa, J. V. Olson, R. J. Morris, B. J. Fraser, and K. Yumoto (2005); North−South asymmetry of the amplitudes of high-latitude Pc 3-5 pulsations: Observations at conjugate stations, J. Geophys. Res., Vol. 110, No. A10, A10214, doi:10.1029/2003JA010242,1-9.

235.    Pilipenko, V.A., N. Mazur, E. Fedrov, T. Uozumi and K. Yumoto (2005); Excaitation of Alfven impulse by the anomalous resistance onset on the auroral field lines, Annales Geophysicae, Vol. 23, 1455-1465.

236.    Shi, Y., E. Zesta, L. R. Lyons, A. Boudouridis , K. Yumoto and K. Kitamura (2005); Effect of solar wind pressure enhancements on storm time ring current asymmetry, J. Geophys. Res., Vol. 110, A10, A10205, doi:10.1029/2005JA011019, 1-19.

237.    Sihokawa, K., K. Yago, K. Yumoto, D.G. Baishev, S.I. Solovyev, F.J. Rich, and S. B. Mende (2005); Ground and satellite observations of substorm onset arcs, J. Geophys. Res., Vol.110, A12225, doi:10.1029/2005JA011281, 1-10.

238.    Solovyev S.I., A.V. Moiseyev, M. Engebretson, and K. Yumoto (2005); Effect of the IMF orientation on formation and propagation of geomagnetic sudden impulse,  Geomagnetism and Aeronomy, 45(3): pp. 350-362.

239.    Takahashi, K., L. Kan, K. Yumoto, K. Kitamura, and M. Nose (2005); Source of Pc 4 pulsations observed on the nightside, J. Geophys. Res., Vol. 110, A12207, doi:10.1029/2005JA011093, 1-15.

240.    Yago, K. Shiokawa, H. Hayashi, and K. Yumoto (2005); Auroral particles associated with a substorm brightening arc, Geophys. Res. Lett., Vol.32, L06104, doi:10.1029/2004GL021894, 1-4.

 

241.    Yumoto, K. (2004); Transport of HM energy through the magnetosphere-ionosphere coupling system-Results from the ground-based network observations, Advances in Solar-Terrestrial Physics, edited by H. Oya, TERRAPUB, Tokyo, pp.175-211.

242.    Baishev D.G., G.V. Borisov, V.A. Velichko, S.I. Solovyev, and K. Yumoto (2004); Manifestations of sudden commencement of a severe magnetic storm of November 20, 2003, in generation of an sc pulse, Psc pulsations, and spatial modulation of the auroral brightness, Cosmic Research, 42(6): pp. 583-590.

243.    Cheng C.-C., C. T. Russell, K. Yumoto, Y. F. Gao, and P. J. Chi (2004);  Characteristics of consecutive bursts of Pi2 pulsations observed at the SMALL array: A new implication, Earth Planets Space, 56, No. 5, 531-545.

244.    Haraguchi, K., H. Kawano, K. Yumoto, S. Ohtani, T. Higuchi, and G. Ueno (2004); Ionospheric  conductivity dependence of dayside region-0, 1, and 2 field-aligned current systems: Statistical study with DMSP-F7, Annales Geophysicae, 22(7-9-2004), 2775-2783.

245.    Hobara, Y., H.C. Koons, J.L. Roeder, K. Yumoto and M. Hayakawa (2004); Characteristics of ULF magnetic anomaly before earthquakes, Physics and Chemistry of the Earth, Vol. 29, issues4-9, 437- 444.

246.    Huang Chao-Song, J. C. Foster, L. P. Goncharenko, G. D. Reeves, J.L. Chau, K. Yumoto, and K. Kitamura (2004); Variations of low-latitude geomagnetic fields and Dst caused by magnetospheric substorms, J. Geophys. Res., 109, A05219, 1-14, doi:10.1029/2003JA010334.

247.    Le Guan, S.-H. Chen, Y. Zheng, C. T. Russell, J. A. Slavin, C. Huang, S. M. Petrinec, T. E. Moore., J. Samson, H. J. Singer., J. D. Scudder., and K. Yumoto (2004); Coordinated polar spacecraft,geosynchronous spacecraft, and ground-based observations of magnetopause processes and their coupling to the ionosphere, Annales Geophysicae, 22:4329-4350.

248.    Lee, D.-Y., L.R. Lyons, and K. Yumoto (2004); Sawtooth oscillations directly driven by solar wind dynamic pressure enhancements, J. Geophsy. Res. Vol. 109, A04202, doi:10.1029/2003JA010246.

249.    Motoba, T., T. Kikuchi, T. F. Shibata, and K. Yumoto (2004), HF Doppler oscillations in the low-latitude ionosphere coherent with equatorial long-period geomagnetic field oscillations, J. Geophys. Res., 109, A06214, doi:10.1029/2004JA010442.

250.    Ohtani, S., G. Ueno, R. Yamaguchi, H. Singer, F. Creutzberg, K. Yumoto, K. Kitamura, and T. Mukai (2004), Tail dynamics during the growth phase of the November 24, 1996, substorm event: Near-earth reconnection confined in the plasma sheet, J. Geophys. Res., Vol. 109, A05211, 1-10, doi:10.1029/2003JA010299.

251.    Pilipenko V.A., E.Fedorov, M.J. Engebretson, and K. Yumoto (2004); Energy budget of Alfven wave interactions with the auroral acceleration region, J. Geophys. Res., Vol. 109, A10204, doi:10.1029/2004JA010440, 1-13.

252.    Solovyev S.I., A.V. Moiseyev, M. Engebretson, and K. Yumoto (2004); Sudden geomagnetic impulse generation: Effect of variations in ionospheric conductivity, Geomagnetism and Aeronomy, 44(4): pp. 413-422.

253.    Tanaka, Y.-M., K. Yumoto, A. Yoshikawa, M. Shinohara, H. Kawano, T.-I. Kitamura (2004); Longitudinal structure of Pc 3 pulsations on the ground near the magnetic equator, J. Geophsy. Res., Vol.109, A0321, doi.10.1029/2003JA009903, 1-10.

254.    Tsurutani B. T., A. Mannucci, B. Iijima, M.  A. Abdu, J. H. A. Sobral, W. D., Gonzalez, F. L. Guarnieri, T. Tsuda, A. Saito, K. Yumoto, B. G. Fejer, T. Fuller Rowell, J. U. O. Kozyra, J. C. Foster and A. Coster, V. M. Vasyliunas (2004); Global dayside ionospheric uplift and enhancement associated with interplanetary electric fields, J. Geophys. Res., Vol. 109, A08302,   doi:10.1029/2003JA010342, 1-16.

255.    Uozumi, T. K. Yumoto, H. Kawano, A. Yoshikawa, S. Ohtani, J. V. Olson, S.-I. Akasofu, S. I. Solovyev6, E. F. Vershinin, K. Liou, and C.-I. Meng (2004); Propagation characteristics of Pi 2 magnetic pulsations observed at ground high-latitudes, J. Geophys. Res., 109, A08203, 10.1029/2003JA009898, 1-11.

256.    Volwerk M., K.-H. Glassmeier, A. Runov, R. Nakamura, W. Baumjohann, B. Klecker, I.Richter , A. Balogh, H. R`eme and K.Yumoto (2004); Flow burst induced large scale plasmasheet oscillation, J. Geophys. Res., Vol. 109, A11208, doi:10.1029/2004JA010533.

257.    Yamaguchi, R., H. Kawano, S. Ohtani, K. Yumoto, S. Kokubun, and The Circum-pan Pacific   Magnetometer Network Group (2004); Total pressure variations in the magnetotail as a function of the position and the substorm magnitude, J. Geophys. Res., Vol. 109, A03206, doi: 10,1029/ 2003JA010196.

258.    Zanandrea, A., J.M. Da Costa, S.L.G. Dutra, N.B. Trivedi, T. Kitamura, K. Yumoto, H. Tachiharad, M. Shinoharad, O. Saotome(2004); Pc3-4 geomagnetic pulsations at very low latitude in Brazil, Planet Space Sci., 52, 12098-1215.

259.    Chandrasekhar1, E., Naoto Oshiman, and Kiyohumi Yumoto (2003); On the role of oceans in the geomagnetic induction by Sq along the 210. magnetic meridian region, Earth Planets Space, 55, 315−326.

260.    Doumouya V., Y. Cohen, B. R. Arora  and K. Yumoto (2003); Local time and longitude dependence of the equatorial electrojet magnetic effects, J. Atmos. Solar-Terres.Phys., 65, Sept.-Oct., 1265-1282.

261.    Farrugia, C.J., V.K. Jordanova, M.P. Freeman, C.C. Cocheci, R.L. Arnoldy, M. Engebretson, P. Stauning, G. Rostoker, M.F. Thomsen, G. Reeves, and K. Yumoto (2003); Large-scale geomagnetic effects of May 4, 1998, Adv. Space Res., 31, No. 4, 1111-1116.

262.    Huang Chao-Song, J. C. Foster, G. D. Reeves, J. Watermann, J.H. Sastri, K. Yumoto, and P. Song (2003); Global magnetospheric-ionospheric oscillations initiated by a solar wind pressure impulse, J. Geophys. Res., 108, No. 6, SMP 7-1 – 7-11.

263.    Morioka, A., Y.Miyoshi, T.Seki, F.Tsuchiya, H.Misawa, H.Oya, H.Matsumoto, K.Hashimoto, T.Mukai, K.Yumoto, and T.Nagatsuma (2003); AKR disappearance during magnetic storms, J. Geophys. Res., ., 108, No. A6, SMP 3-1 – 3-9.

264.    Motoba T, Kikuchi T, Okuzawa T, Yumoto K (2003); Dynamical response of magnetosphere-  ionosphere system to a solar wind dynamic pressure oscillation, Journal of Geophysical Research, 108(A5): art.no.1206 MAY 23

265.    Nose, M., K. Takahashi, T. Uozumi, K. Yumoto, Y. Miyoshi, A. Morioka, D. K. Milling, P. R. Sutcliffe, H. Matsumoto, T. Goka, and H. Nakada  (2003) ; Multipoint observations of a Pi2 pulsation on morning side: TheSeptember 20, 1995, event, J. Geophys. Res, Vol.108, No.5 ,1219, 1-16.

266.    Parkhomov VA, Mishin W, Pashinin AY, Parkhmatulin RA, Makarov GA, Yumoto K (2003);  Peculiarities of the magnetospheric response to pressure pulse in the solar wind as inferred from synchronous ground-based and satellite observations, Geomagnetism and Aeronomy, 43(1):21-28 JAN-FEB.

267.    Sastri, J.H., Y. Kamide, and K. Yumoto (2003); Signatures for magnetospheric substorms in the   geomagnetic field of dayside equatorial region: Origin of ionospheric component, J. Geophys. Res, Vol.108 , No. A10, SIA 4-1 – 4-10.

268.    Shiokawa, K., Y. Otsuka, T. Ogawa, S. Kawamura, M. Yamamoto, S. Fukao, T. Nakamura, T. Tsuda, N. Balan, K. Igarashi, G. Lu,  A. Saito, and K. Yumoto (2003); Thermospheric wind during a storm time large-scale traveling ionospheric disturbance, J. Geophys. Res., Vol.108 , No. A12, 1423, 3-1 – 3-13.

269.    Solovyev SI, A.V. Moiseyev, D.G. Baishev, G.A. Makarov, K. Yumoto, and M. Engebreston (2003); Characteristics of the global geomagnetic response to quasi-periodic variations in the solar dynamic pressure, Geomagnetism and Aeronomy, 43(2): pp. 172-180.

270.    Solovyev S.I., A.V. Moiseyev, K. Yumoto, and M. Engebreston (2003); Characteristics of magnetospheric-ionospheric disturbances during an increase of the solar wind dynamic pressure, Geomagnetism Aeronomy, 43(5): pp579-592.

271.    Kitamura. K., H. Kawano, S. Ohtani, A. Yoshikawa, K. Yumoto, and the Circum-pan Pacific Magnetometer Network Group, (2003), Quasi-periodic Substorms during Recovery Phase of Magnetic Storm for Space Weather Study, Proceeding of International Symposium on Information Science and Electrical Engineering 2003, Nov.13-14, 2003, ACROS Fukuoka, Fukuoka, Japan, 354-357.

272.    Abe S., K. Yumoto, H. Kawano, A. Yoshikawa, K. Obana, S. I. Solovyev, D.G. Baishev, J.V. Olson, E.W. Worthington, and the Circum-pan Pacific Magnetometer Network Group, The Diagnosis of the Plasmapause by Ground Magnetometer Network Observation at Multiple Local Times, (2003), Proceeding of International Symposium on Information Science and Electrical Engineering 2003, Nov.13-14, 2003, ACROS Fukuoka, Fukuoka, Japan, 534-536.

273.    Obana Y., A. Yoshikawa, J.V. Olson, R.J. Morris, B.J. Fraser, S.I. Solovyev and K. Yumoto, Environment Factors of PC 4 Amplitudes Observed at the CPMN Stations, (2003), Proceeding of International Symposium on Information Science and Electrical Engineering 2003, Nov.13-14, 2003, ACROS Fukuoka, Fukuoka, Japan, 256-258.

274.    Takasaki S., H. Kawano, Y. Tanaka, A. Yoshikawa, M. Seto, M. Iizima, and K. Yumoto, (2003), Plasma Distribution in the Low-L part of the Plasma sphere during Magnetic Storms, Proceeding of International Symposium on Information Science and Electrical Engineering 2003, Nov.13-14, 2003, ACROS Fukuoka, Fukuoka, Japan, 253-255.

275.    Yoshikawa A., H. Kohta, M.I tonaga, T. Uozumi, K. Yumoto, Integrated Analysis of Coordinated Ground Magnetic Field Data for Space Weather Study, (2003), Proceeding of International Symposium on Information Science and Electrical Engineering 2003, Nov.13-14, 2003, ACROS Fukuoka, Fukuoka, Japan, 114-117.

276.    Yumoto K., M. Shinohara, K. Nozaki, E. A. Orosco, Fr. V. Badillo, D. Bringas and the CPMN and WestPac Observation Groups (2002); Simultaneous Ground-based of Electric and Magnetic     Field Variations near the Magnetic Equator for Space Weather Study, COSPAR ColloquiaSer.Vol. 12 on Space Weather Study using Multi-point Techniques, Edited by Ling-Hsiao Lyu, Pergamon Press, pp. 243-247.

277.    Yumoto, K. (2002); Sudden changes during auroral substorm, Bifurcation Phenomena in Plasma, Edited by S-I. Itoh and Y. Kawai, Kyushu Univ. Press, pp.217-227.

278.    Anderson, D., A. Anghel, K. Yumoto, M. Ishitsuka, and E. Kudeki (2002); Estimating daytime vertical ExB drift velocities in the equatorial F-region using ground-based magnetometer observations,  Geophys. Res. Lett.,  29, No.12, 37, 1-4.

279.    Angelopoulos,V. , J.A.Chapman, F.S.Mozer, J.D.Scudder, C.T.Russell, K.Tsuruda, T. Mukai, T.J.Hughes, and K.Yumoto, (2002); Plasma sheet electromagnetic power generation and its dissipation along auroral field lines,  J. Geophys. Res., 107, A8,  SMP14-1 – 14-20.

280.    Hattori, K., Y. Akinaga, M. Hayakawa, K. Yumoto, T. Nagao, and S. Uyeda, ULF magnetic anomaly preceding the 1997 Kagoshima Earthquakes, Seismo Electromagntics: Lithosphere-Atmoshere-Ionosphere Coupling, Eds. by M. Hayakawa and O.A. Molchanov, TERRAPUB, Tokyo, 2002, pp.19-28.

281.    Higuchi, T., S,-I. Ohtani, T. Uozumi, and K. Yumoto (2002); Pi 2 onset time determination  with information criterion, J. Geophys. Res., 107, No. A7, SMP 14, 1-13.

282.    Kim, K.-H, C. A. Cattell, D.-H. Lee, K. Takahashi, K. Yumoto, K. Shiokawa, H. Singer, F. S. Mozer, and M. Andre (2002), Magnetospheric responses to sudden and quasi-periodic solarwind variations, J. Geophys. Res., 107, in press.

283.    Kawano H., K. Yumoto, V. A. Pilipenko, Y.-M. Tanaka, S. Takasaki, M. Iizima, and M. Seto (2002); Ground-based identification of magnetospheric field line eigenfrequency as a continuous function of ground latitude, J. Geophys. Res., 107, No. A8, SMP 25, 1-12.

284.    Mishin, E.V., J.C. Foster, A.P. Potekhin, A. Potapov, F.J. Rich, K. Yumoto, K. Schlegel,  V.I. Taran, and H.B. Vo (2002); Global-scale, quasi-periodic disturbances during the  magnetic storm September 25, 1998, J.  Geophys. Res., 107, No. A12, SMP 40-1 – 40-11. 

285.    Motoba, T., T. Kikuchi, H. Lohr, H. tachihara, T-I. Kitamura, K. Hayashi, and T. Okuzawa (2002);Global Pc 5 caused by a DP 2-type ionospheric current system, J. Geophys.  Res., 107, A2, SMP 7-1- 7-12.

286.    Nishino, M., K. Makita, K. Yumot, F. S. Rodrigues, N. J. Schuch, and M. A. Abdu (2002); Unusual ionospheric absorption characterizing energetic electron precipitation into the South Atlantic Magnetic Anomaly, Earth Planets Space, 54, 907–916.

287.    Ohtani, S.-I., R. Yamaguchi, M. Nose, H. Kawano, M. Engebretson, and K. Yumoto (2002); Quiet-time magnetotail dynamics and their implications for the substorm trigger, J. Geophys. Res., A2, SMP 6, 1-10, 1029/2001JA000116

288.    Ohtani, S., R. Yamaguchi, H. Kawano, F. Creutzberg, J. B. Sigwarth, L. A. Frank, and T. Mukai(2002), Does the fast plasma sheet flow trigger a substorm?: A study of the August 14, 1996, event, Geophysical Research Letters, 29(15), 1721, doi:10.1029/2001GL013785, August 3, 2002.

289.    Shiokawa, K., Y. Otsuka, T. Ogawa, N. Balan, K. Igarashi, A.J. Ridley, D.J. Knipp, A. Saito, and K. Yumoto (2002); A large-scale traveling ionospheric disturbance during the magnetric storm of September 15, 1999. J. Geophys. Res., 107, in press.

290.    Shiokawa, K., K. Yumoto, and J.V. Olson (2002); Multiple auroral brightenings and associated Pi 2 pulsations, Geophys. Res. Lett., Vol.29, No.11, 32, 1-4.

291.    Takahashi, K., K. Liou, and K. Yumoto (2002); Correlative study of ultraviolet aurora and low-latitude Pi 2 pulsations, J. Geophys. Res., 107, No.12, SMP 2-1 – 2-14.

292.    Trivedi, N.B., D.G. Sibeck, E. Zesta, J.C. Santos, K. Yumoto, T. Kitamura, M. S Shionohara, and S.L.G. Dutra (2002); Signatures of traveling convection vortices in ground magnetograms under the equatorial electrojet, J.Geohys. Res., 107,No. A6, SMP16, 1-10.

293.    Vassiliadis, D., A.J. Klimas, B.-H. Ahn, R.J. Parks, A. Viljanen, and K. Yumoto (2002); High-latitude electrodynamics from a multi-array nonlinear geomagnetic model, COSPAR Colloquia Ser.Vol. 12 on Space Weather Study using Multi-point  Techniques, Edited by  Ling-Hsiao Lyu, Pergamon Press, pp. 231-236.

294.    Velichko V.A., R.N.Boroyev, M.G. Gelberg, D.G.Baishev, ,J.V.Olson, R.J.Morris and K.Yumoto (2002); North-south asymmetry of the substorm intensity depending on the IMF BY-component, Earth Planets Space, 54, 955-961.

295.    Yagova, N., K. Yumoto, V. Pilipenko, K. Hattori, T. Nagao, and K. Saita (2002), Local variations of geomagnetic ULF noises and their relation to seismic activity, Seismo Electromagntics: Lithosphere-Atmoshere-Ionosphere Coupling, Eds. by M. Hayakawa and O.A. Molchanov, TERRAPUB, Tokyo, 2002, pp.45-48.

296.    Yamaguchi, R., H. Kawano, S. Ohtani, T. Higuchi, K. Yumoto, T. Mukai, Y. Saito, and The Circum-pan Pacific Magnetometer Network Group (2002); The timing relationship between bursty bulk flows and Pi2s at the geosynchronous orbit, Geophys. Res. Lettr., 29, No. 6, 16, 1-4.

297.    Yoshikawa, A., K. Yumoto, M. Shinohara, and M. Itonaga (2002); Diagrammatic method to describe the self-inductive response of magnetosphere-ionosphere-atmosphere-Earth electromagneticallyc oupled system as a quasi-particle excitation, J. Geophys. Res.,, No.5, 107, SMP3-1 - 3-9.

298.    Yoshikawa, A. , Y. Obana, M. Shinohara, M. Itonaga, and k. Yumoto (2002); Hall-induced inductive shielding effect on magnetic pulsation, Geophys. Res. Lett., 29, No.8, 107-1-107-4. Fujita S., T. Mizuta, M. Itonaga, H. Nakata and A. Yoshikawa, (2002), A numerical simulation of the Pi2 pulsations associated with the substorm current wedge, J. Geophys. Res., 107, A3, 10.1029/2001JA900137.

299.    Yoshikawa, A. (2002), Excitation of a Hall-current generator by field-aligned current closure, via an ionospheric, divergent Hall-current, during the transient phase of magnetosphere–ionosphere coupling, J.Geophys. Res, 107, 1445, doi:10.1029/2001JA009170.

300.    Yoshikawa, A. (2002), On the energy of the poloidal magnetic field near the ionosphere, Adv. Polar Upper Atmos. Res., 16, 45-58.

301.    Yoshikawa, A. (2002), How does the ionospheric rotational Hall current absorb the increasing energy from the field-aligned current system?, Geophys. Res. Lett., 29,7 , doi:10.1029/2001GL014125.

302.    Yumoto, K, and the CPMN Group (2001); Characteristics of Pi 2 magnetic pulsations observed at the CPMN stations: A review of the STEP results, Earth Planets Space, 53, 981-992.

303.    Akinaga, Y. M. Hayakawa, J.Y. Liu, K. Yumoto and K. Hattori (2001); A precursory ULF   signature for Chi-Chi earthquake in Taiwan,  Natural Hazard and Earth System Sciences, 1, 33-36.

304.    Chi, P. J., C. T. Russell, J. Raeder, E. Zesta, K. Yumoto, H. Kawano, K. Kitamura, S. M.         Petrinec, V. Angelopoulos, G. Le and M. B. Moldwin (2001); Propagation of the preliminary reverse  impulse of sudden commencements to low latitudes, J. Geophys. Res., 106, 18857-18864.Kepko, L., M. G. Kivelson, and K. Yumoto (2001); Flow bursts, braking, and Pi2 pulsations, J. Geophys. Res., 106, No. A2, 1903-1915

305.    Makarov, G. A., D. G. Baishev, S. I. Solovyev, V. A. Pilipenko,M. Engebretson, and K. Yumoto (2001); Meridional propagation velocity of the geomagnetic sudden impulse in the high-latitude region, J. Geomag. Aeronomy, Vol. 41, No. 5, p. 578-582. (in Russian)

306.    Nose, M., S. Ohtani, K. Takahashi, A.T. Lui, R.W. McEntire, D.J. Williams, S.P. Christon, and K. Yumoto (2001); Ion composition of the near-Earth plasma sheet in substorm and quiet intervals: Geotail/EPIC measurements, J. Geophys. Res., 106, A5, 8391-8403.

307.    Sakurai T., Y. Tonegawa, Y. Shinkai, K. Yumoto, S. Kokubun, K. Tsuruda, and T. Mukai (2001); Poynting vectors of Pc 5 pulsations observed by the GEOTAIL satellite in the dayside outer magnetosphere, Earth Planets Space, 53, 843–849.

308.     Fujita, S., T. Mizuta, M. Itonaga, A. Yoshikawa, and H. Nakata (2001), Propagation property of transient MHD impulses in the Magnetosphere-Ionosphere System: The 2D model of the Pi2 pulsation, Geophys. Res. Lett., 28(11), 2161-2164.

309.    Fujita, S., T. Mizuta, M. Itonaga, A. Yoshikawa, and H. Nakata (2001), Propagation property of transient MHD impulses in the Magnetosphere-Ionosphere System: The 2D model of the Pi2 pulsation, Geophys. Res. Lett., 28(11), 2161-2164.

310.    Sastri, J.H., T. Takeuchi, T. Araki, K. Yumoto, S. Tsunomura, H. Tachihara, H. Luehr, and J. Watermann (2001); Preliminary impulse of the geomagnetic storm sudden commencement of November 18, 1993, J. Geophys. Res. 106, 3905-3918.

311.    Shiokawa, K., T. Ogawa, H. Oya, F.J. Rich, and K. Yumoto, (2001); A  stable auroral red (SAR) arc observed in Japan after an interval of very weak solar wind, J. Geophys. Res., 106,  26091-26101.

312.    Waters, C.L., M.D. Sciffer, B.J. Fraser, F.W. Menk, K. Foulkes, K. Brand, O. Saka and K Yumoto (2001); The phase structure of very low latitude ULF waves across dawn, J. Geophys. Res., 106, A8, 15599-15607.

313.    Itonaga, M., A. Yoshikawa and S. Fujita, (2000), A wave equation describing the generation of field-aligned current in the Magnetosphere, Earth Planets Space, 52, 503-507.

314.    Yoshikawa, A., and M. Itonaga, (2000), The nature of reflection and mode conversion of MHD waves at the inductive ionosphere: Multistep mode conversion between divergent and rotational electric fields, J. Geophys. Res., 105(A5), 10,565–10,584, doi:10.1029/1999JA000159.

315.    Baishev, D.G.,  E.S. Barkova, S.I. Solovyev, K. Yumoto,  A.G. Yahnin (2000);      Frequency growth of IPDP pulsations during a substorm as a manifestation of equatorward expansion of particle precipitation and current region, International Journal  of Geomagnetism and Aeronomy, in press.

316.    Cheng, C.-C., J.-K. Chao, and K. Yumoto (2000); Spectral Power of Low-Latitude Pi 2 pulsations at the 210o Magnetic Meridian Stations and Plasmaspheric Cavity Resonances, Earth, Planets & Space,  52, 615-627.

317.    Hayakawa, M., T. Itoh, K. Hattori,  and K. Yumoto (2000); ULF electromagnetic precursors for an earthquake at Biak, Indonesia on February 17, 1996, Geophys. Res. Lett., 27, No.10, 1531-1534.

318.    Kawano, H., R. Nakamura, S. Kokubun, T. Mukai, T. Yamamoto, K. Yumoto, and J.A. Slavin (1999);  Substorm-assocaited shrinkage of the mid-tail magnetosphere: IACG campaign #2, Advance in Space Research, 25, No.7/8, 1689-1696.

319.    Lui, A.T., K. Liou, P.T. Newell, C.I. Meng, S. Ohtani, R.W. McEntire, N.J. Fox, R.P. Lepping. W.R. Paterson, J.B. Sigwarth, L.A. Frank, S. Kokubun, G.K. Parks, T. Moretto, and K. Yumoto (2000): Conjunction of tail satellite for substorm study: ISTP event of 1997January 2, Geophys. Res. Lett., 27, No.13, 1831-1834.

320.    Nakata, H., S. Fujita, A. Yoshikawa, M. Itonaga, and K. Yumoto (2000); Ground magnetic perturbations associated with the standing toroidal mode oscillations in the magnetosphere- ionosphere system, Earth, Planets & Space, 52, 601-613.

321.    Nose, M., A.T.Y. Lui, . S. Ohtani, B.H. Kauk, R.W. McEntire, D.J. Williams, T.Mukai, S. Kokubun, T. Nagai, T. Iyemori, and K. Yumoto (2000); Acceleration of ionospheric origin ions in the near-Earth magnetotail during substorm, J. Geophys. Res., 105, No.A4, 7669-7677.

322.    Nose, M., S. Ohtani, A.T. Lui, S.P. Christon, R.W. McEntire, D.J. Williams, T. Mukai, Y. Saito, and K. Yumoto (2000); Change of energetic ion composition in the plasma sheet during substorms, J. Geophys. Res., 105, A10, 23277-23-286.

323.    Shiokawa, K., T. Ogawa, K. Igarashi, S. Miyazaki, F.J. Rich, A. Saito, and K. Yumoto,(2000); Comprehensive imaging observation of mid-latitude ionospheric disturbances during  storm-time substorms, J. Geophys. Res., 105, No.A12, 27067-27080.

324.    Solovyev, S.I., D.G. Baishev, E.S. Barkova, N.E. Molochushkin, and K. Yumoto (2000);         Pi 2 magnetic pulsations of auroral arc current system,  Geophys. Res. Lett., 27, No.13, 1839-1842.

325.    Takenouchi, T., T. Araki, H. Luehr, O. Rasmussen, J. Watermann, D.K. Miling, I.R. Mann, K. Yumoto, K. Shiokawa, and T. Nagai (2000); Geomagnetic negative sudden impulse        due to a magnetic cloud observed on May 13, 1995, J. Geophys. res., 105, No. A8,    18835-18846.

326.    Uozumi, T., K. Yumoto, H. Kawano, A. Yoshikawa, J.V. Olson, S.I. Solovyev, E.F. Vershinin (2000); Characteristics of energy transfer of Pi 2 magnetic pulsations:Latitudinal dependence, Geophys. Res. Lett, 27, No. 11 , 1619-1623.

327.    Tanaka, Y.-M., K. Yumoto, M. Shinohara, S.I. Solovyev, E.F. Vershinin,  B.J. Fraser and D. Cole (1998); Coherent Pc 3 pulsations in the prenoon sector observed along the 210magnetic meridian, Geophys. Res. Lett., 25, No.18, 3477-3480.

328.    Fedorov, E., V. Pilipenko, V. Surkov, D.R.K. Rao, and K. Yumoto (1999); Ionospheric propagation of magnetohydromagnetic disturbances from the equatorial electrojet, J. Geophys. Res., 104, A3, 4329-4336.

329.    Liou, K., C.-I. Meng, T.Y. Lui, P.T. Newell, M. Brittnacher, G. parks, G.D. Reeves,  R.R. Anderson, and K. Yumoto (1999); On relarive timing in substorm onset signatures, J. Geophys. Res., 104,  22807-22817.

330.    Miyahara, S., Y. Tanaka, K. Saita, K. Yumoto, and H. Tachihara (1999); On ULF magnetic field variations associated with the Guam earthquake of 8 August 1993, Monograph on "Atmospheric and Ionospheric Electromagnetic Phenomena Associated with Earthquakes", Ed. by  M. Hayakawa, Terra Sci. Publ. Comp.(TERRAPUB), Tokyo, pp.189-201.

331.    Otani, S., F. Creutzberg, T. Mukai, H. Singer, A.T.Y. Lui, M. Nakamura, P. Prikryl, K. Yumoto, and G. Rostoker (1999); Substorm onset timing: The December 31, 1995 event, J. Geophys. Res., 104, 22713-22727.

332.    Pilipenko, V., K. Yumoto, E. Fedrov,  and N. Yagova (1999); Hydromanetic spectroscopy of the magnetosphere with Pc 3 geomagnetic pulsations along the  210meridian, Annalses Geophysicae, 17, 53-65.

333.    Pilipenko, V.A., E.N. Fedorof,  N.V. Yagova, and K. Yumoto (1999); Attempt to detect ULF electro-magnetic activity preceding earthquake, Monograph on "Atmospheric and    Ionospheric Electromagnetic Phenomena Associated with Earthquakes", Ed. by  M. Hayakawa, Terra Sci. Publ. Comp.(TERRAPUB), Tokyo, pp.203-214.

334.    Sakurai, T., Y. Tonegawa, T. Kitagawa, K. Yumoto, T. Yamamoto, S. Kokubun, T. Mukai, and K. Tsuruda (1999); Dayside magnetopause Pc 3 and Pc 5 ULF waves observed by the GEOTAIL satellite, Earth Planets Space, 51, 965-978.

335.    Sibeck, D.G., N.L. Borodkova, R. Kessel, S. Kokubun, R.P. Lepping, R. Lin, K. Liou, H. Luhr, R.W. McEntire, C.-I. Meng, T. Mukai, Z. Nemecek, C. Owen, G. Parks, T.D. Phan, S.A. Romanov, J. Safrankova, J.-A. Sauvaud, S. Schwartz, K. Shiokawa, H.J. Singer, S.I. Solovyev, A. Szabo, K. Takahashi, D.J. Williams, K. Yumoto and G.N. Zastenker (1999); Conprehensive study of the magnetospheric response to a hot flow anomaly, J. Geophys. Res., 104, A3, 4577-4593.

336.    Solovyev, S.I., D.G. Baishev, E.S. Barkova, M.J. Engebretson, J.L. Posch, W.J. Hughes, K. Yumoto, and V.A. Pilipenko (1999); Structure of disturbances in the dayside and nightside          ionosphere during periods of negative interplanetary magnetic field  Bz,  J. Geophys. Res., 104, No. A12,, 28019-28039.

337.    Takahashi, K., B.J. Anderson, and K. Yumoto (1999); Upper Atmospheric Research Sattelite observation of a Pi 2 pulsation, J. Geophys. Res., 104, No.11, 25035-25045.

338.    Vershinin, E.F., A.V. Buzevich, K. Yumoto, K. Saita, and Y. Tanaka (1999); Correlations of seismic activity with electromagnetic emssions and variations in Kamchatka region, Monograph on "Atmospheric and Ionospheric Electromagnetic Phenomena Associated with Earthquakes", Ed. by  M. Hayakawa, Terra Sci. Publ. Comp.(TERRAPUB), Tokyo, pp.513-517.

339.    Yagova, N., V. Pilipenko, E. Fedorov, M. Vellante and K. Yumoto (1999); Influence of ionospheric conductivity on mid-latitude Pc 3-4 pulsations,  Earth Planet. Space, 51, No.2, 129-138.

340.    Yoshikawa, A., M. Itonaga, S. Fujita, H. Nakata, and K. Yumoto (1999); Eigenmode analysis of field line oscillations interacting with the ionosphere-atmosphere-solid earth electromagnetic coupled system, J. Geophys. Res., 104, No.12, 28437-28457.

341.    Fedorov, E., N. Mazur, V. Pilipenko,  and K. Yumoto (1998); MHD wave conversion in plasma waveguides,  J. Geophys. Res., 103, 26595-26605.

342.    Ionaga, M., A. Yoshikawa, and K. Yumoto (1998); Transient response of the non-uniform equatorial ionosphere to compressional MHD waves, J. Atmos.-Solar Terres. Phys., 60, 253-261

343.    Itonaga M. and K. Yumoto (1998); ULF waves and the ground magnetic field, J. Geophys.  Res., 103, 9285-9291.

344.    Li., Y., B.J. Fraser, F.W. Menk, D.J. Webster, and K. Yumoto (1998); Properties and sources of low and very low latitude Pi 2 pulsations, J. Geophys. Res., 103, 2343-2358.

345.    Sergeev, V.A., Y. Kamide, S. Kokubun, R. Nakamura, C.S. Deehr, T.J. Hughes, R.P. Lepping, T. Mukai, A.A. Petrukovich, J.-H. Shue, K. Shiokawa, O.A. Troshichev, and K. Yumoto (1998); Short-duration convection bays and localized interplanetary magnetic field structures on November 28, 1995, J. Geophys. Res., 103, 23593-23

346.    Shinohara, K., K. Yumoto, N. Hosen, A. Yoshikawa, H. Tachihara, O. Saka, T.-I. Kitamura, N.B. Trivedi, J.M. Da Costa, and N.J. Schuch (1998); Wave characteristics of geomagnetic pulsations across the dip equator, J. Geophys. Res., 103, 11745-11754.

347.    Sibeck, D.G., K. Takahashi, K. Yumoto, and G.D. Reeves (1998); Concerning the origin of signatures in dayside equatorial ground magnetograms, J. Geophys. Res., 103, No.A4, 6763-6769.

348.    Yumoto, K., V. Pilipenko, E. Fedorov, N. Kurneva, M. De Lauretis and K. Kitamura (1997); Magnetospheric ULF phenomena stimulated by ssc, J. Geomag. Geoelectr., 49, 1179-1195.

349.    Angelopoulos, V., T.D. Phan, D.E. Larson, F.S. Mozer, R.P. Ln, K. Turuda, H. Hayakawa, S. Kokubun, T. Yamamoto, D.J. Williams, R.W. McEntire, R.P. Lepping, G.K. Parks, M. Brittacher, G. Germany, J. Spann, H.J. Singer, and K. Yumoto (1997); Magnetotail flow bursts assocation to global magnetospheric circulation, relationship to ionospheric activity and direct evidence for localization, Geophys. Res. Lett., 24, No.19, 2271-2274.

350.    Araki, T., S. Fujitani, M., Emoto, K. Yumoto, K. Shiokawa, T. Ichinose, H. Luhr, D. Orr, D.K. Milling, H. Singer, G. Rostoker, S. Tsunomura, Y. Yamada, and C.F. Liu  (1997); Anomalous sudden commencement on March 24, 1991, J._Geophys._Res., 102, A7,  14075-14086.

351.    Baishev, D.G., K. Yumoto, S.I.. Solovyev, N.E. Molochushkin and E.S. Barkova (1997); Variations of magnetic field in an appearance period of large-scale diffuse luminosity waves in the evening sector during magnetic storm,  Geomag._and_Aeronomy, 37, No.6, 39-46.

352.    Itonaga, M., A. Yoshikawa, and K. Yumoto (1997); One-dimensional transient response of the inner magnetosphere at the magnetic equator, 1. Transfer function and poles, J. Geopmag. Geoelectr., 49, 21-48.

353.    Itonaga, M., A. Yoshikawa, and K. Yumoto (1997); One-dimensional transient response of the inner magnetosphere at the magnetic equator, 2. Analysis of waveforms,  J. Geopmag. Geoelectr., 49, 49-68.

354.    Shinohara, M., K. Yumoto, A. Yoshikawa, O. Saka, S.I. Solovyev, E.F.Vershinin, N.B.Trivedi, J.M. Da Costa and the 210 MM Magnetic Observation Group, (1997), Wave characteristics of daytime and nighttime Pi2 pulsations at the equatorial and low latitudes, Geophysical Research Letters, Vol.24, 2279-2282.

355.    Matsuoka, H., K. Takahashi, S. Kokubun, K. Yumoto, T. Yamamoto, S.I. Solovyev, and E.F. Vershinin (1997); Phase and amplitude structure of Pc 3 magnetic pulsations as determined from multipoint observations, J._Geophys._Res., 102,  A2, 2391-2404.

356.    McPherron, R.L. R. Nakamura, S. Kokubun, Y. Kamide, K. Shiokawa, K. Yumoto, T. Mukai, Y. Saito, K. Hayashi, T. Nagai, S. Ables, D.N. Baker, E. Friss-Christensen, B.J. Fraser, T. Hughes, G. Reeves, and H. Singer (1997); Fields and flow at GEOTAIL during a moderate substorm, Adv. Space Sci., 20, 923-931.

357.    Pilipenko, V., K. Yumoto, E. Fedorov,  N. Yagova, S. Solovyev, E. Vershinin (1997); Variations of the Pc 3 spectral content  along the 210magnetic, Geomagnetic & Aeronomy, 37, No.1, 66-74.

358.    Pilipenko, V., N. Kleivenova, U. Kozyreva, K. Yumoto, and T. Bitterli (1997); Longitudinal features of Pc 5 geomagnetic pulsations in the morning and evening sectors, Geomagnetic & Aeronomy, 37, No.3, 64-76.

359.    Shiokawa, K., C.-I. Meng, G. Reeves, F.J. Rich, and K. Yumoto (1997); A multievent study of  broadband electrons observed by the DMSP satellites and their relations to red aurora observed at midlatitude stations, J. Geophys. Res., 102, A7, 14237-14253.

360.    Shinohara, K., K. Yumoto, A. Yoshikawa, O. Saka, S.I. Solovyev, E.F. Vershinin, N.B. Trivedi, J.M. Da Costa and the 210 MM Magnetic Observation Group (1997); Wave characteristics of daytime and nighttime Pi 2 pulsations at the equatorial and low latitudes, Geophys. Res. Lett., 24, No.18, 2279-2282.

361.    Solovyev, S.I., K. Yumoto, D.G. Baishev, and N.E. Molochushkin (1997); About the reason  of excitation and formation of a spectrum high-latitude Pi2  geomagnetic pulsations during the pseudobreakups and multiple onsets of substorms, Geomag._and_Aeronomy, 37, No.5, 60-69.

362.    Zhang, Y., D.J. McEwen, K. Yumoto, K. Shiokawa, and K. Hayashi (1997); A study of the November 15, 1993 transpolar arc, J. Geomag. Geoelectr., 49, Supplement, S141-S149.

363.    Yumoto, K., and the 210o MM Magnetic Observation Group (1996); The STEP 210o magnetic meridian network project, J. Geomag. Geoelectr., 48, 1297-1309.

364.    Yumoto, K., H. Matsuoka, H. Osaki, K. Shiokawa, Y. Tanaka, T.-I. Kitamura, H. Tachihara, M. Shinohara, S.I. Solovyev, G.A. Makarov, E.F. Vershinin, A.V. Buzevich, S.L. Manurung, Obay Sobari, Mamat Ruhimat, Sukamadradjat, R.J. Morris, B.J. Fraser, F.W. Menk, K.J.W. Lynn, D.G. Cole, J.A. Kennewell, J.V. Olson, and S.-I. Akasofu, (1996); North/south asymmetry of sc/si magnetic variations observed along the 210o magnetic meridian, J. Geomag. Geoelectr., 48, 1333-1340.

365.    Pilipenko, V.A., N.G., Kleimenova, O.V. Kozyreva, K. Yumoto, and J. Bitterli (1996); Is Cusp the source of mid-latitude Pc 3 pulsations ?, Geomag._and_Aeronomy, 36, No.2, 39-48.

366.    Angelopoulos, V., F.V. Coroniti, C.F. Kennel, M.G. Kivelson, R.J. Walker, C.T. Russell, R.L. McPherron, E. Sanchez, C.-I. Meng, W. Baumjohann, G.D. Reeves, R.D. Belian, N. Sato, E. Friis-Christensen, P.R. Sutcliffe, K. Yumoto, and T. Harris (1996); Multipoint analysis of a bursty bulk flow event on April 11, 1985, J._Geophys._Res., 101, No. A3, 4967-4989.

367.    Hayakawa, M., R. Kawate, O.A. Molchanov, and K. Yumoto (1996); Results of ultra-low-frequency magnetic field measurements during the Guam earthquake of 8 August 1993, Geophys._Res._Lett., 23, No.3, 241-244.

368.    Itonaga, M., and A. Yoshikawa, (1996), The excitation of shear Alfven wave and the associated modulation of compressional wave in the inner magnetosphere, Journal of Geomagnetism and Geoelectricity, Vol.48, No., 1451-1459.

369.    Yoshikawa, A., and M. Itonaga, (1996), Reflection of shear Alfven waves at the ionosphere and the divergent Hall current, Geophys. Res. Lett., 23(1), 101–104, doi:10.1029/95GL03580.

370.    Kawano, H., A. Nishida, M. Fujimoto, T. Mukai, S. Kokubun, T. Yamamoto, T. Terasawa, M. Hirahara, Y. Saito, S. Machida, K. Yumoto, H. Matsumoto, and T. Murata (1996); A quasi-stagnant plasmoid observed with Geotail on October 15, 1993, J. Geomag._Geoelectr., 48, 525-539.

371.    Kokubun, S., L.A. Frank, K. Hayashi, Y. Kamide, R.P. Lepping, T. Mukai, R. Nakamura, W.R. Paterson, T. Yamamoto, and K. Yumoto (1996);  Large field events in the distant magnetotail during magnetic storms, J._Geomag._Geoelectr., 48, 561-576.

372.    Nakamura, R., S. Kokubun, Y. Kamide, K. Yumoto, T. Yamamoto, L.A. Frank, W.R. Paterson, E. Friis-Christensen, K. Hayashi, T. Iyemori, H. Huhr, and O.A. Troshichev (1996); Magnetosheath observations near the center of magnetotail during a weak geomagnetic storm on January 25 1993, J._Geomag._Geoelectr., 48, 577-588.

373.    Osaki, H., K. Yumoto, K. Fukao, K. Shiokawa, F.W. Menk, B.J. Fraser, and the 210o MM Magnetic Observation Group (1996); Characteristics of low-latitude Pi 2 pulsations along the 210o magnetic meridian, J._Geomag._Geoelectr., 48, 1421-1430.

374.    Petrinec, S.M., K. Yumoto, H. Luhr, D. Orr, D. Miling, K. Hayashi, S. Kokubun, and T. Araki (1996); The CME event of February 21, 1994; Response of the magnetic field at the Earth's surface, J._Geomag. Geoelectr., 48, 1341-1380.

375.    Shiokawa, K., K. Yumoto, N. Nishitani, K. Hayashi, T. Oguti, D.J. McEwen, Y Kiyama,  F.J. Rich, and T. Mukai (1996); Quasi-periodic poleward motions of Sun-aligned auroral arcs in the high latitude morning sector - A case study, J._Geophys._Res., 101, 19,789-19,800.

376.    Shiokawa, K., K. Yumoto, C.-I. Meng and G. Reeves (1996); Broadband electrons observed by the DMSP satellites during storm-time substorms, Geophys._Res._Lett., 23, 2529-2532.

377.    Shiokawa, K., K. Yumoto, Y. Tanaka, H. Osaki, M. Sato, T. Kato, Y. Kato, M. Sera, Y. Ikegami, S.-I. Akasofu, K. Hayashi, T. Oguti, and Y. Kiyama (1996); Auroral observations using automatic optical instruments: Relations with multiple Pi 2 magnetic pulsations, J. Geomag. Geoelectr., 48, 1407-1420.

378.    Yumoto, K., V. Pilipenko, E. Fedorov, N. Kurneva and K. Shiokawa (1995); The     mechanisms of damping of geomagnetic pulsations, J. Geomag. Geoelectr., 47, No. 2, 163-176.

379.    Yumoto, K. and The 210o MM Magnetic Observation Group (1995), Initial results from the 210o magnetic meridian project--Review, J. Geomag. Geoelectr., 47, 1197-1213.

380.    Fedorov E.N., N.G., Mazur, V.A. Pilipenko, and K. Yumoto (1995); On the theory of field line resonances in plasma configurations, Phys. of_Plasmas, 2, 527-532.

381.    Itonaga, M., T.-I.Kitamura and A. Yoshikawa, (1995), Interaction between hydromagnetic waves and the anisotropically conducting ionosphere, Journal of Geomagnetism and Geoelectricity, Vol.47, No.5, 459-474.

382.    Yoshikawa, A., M. Itonaga and T.-I.Kitamura, Effect of the ionospheric induction current on magnetohydrodynamic waves in the magnetosphere, (1995), Proceedings of the NIPR Symposium on Upper Atmosphere Physics., Vol.17, No.8, 49-59.

383.    Matsuoka, H., K. Takahashi, K. Yumoto, B.J. Anderson, and D.G. Sibeck (1995); Observation and modeling of compressional Pi 3 magnetic pulsations, J._Geophys._Res., 100, 12103-12115.

384.    Iwata, A., Y. Tanaka, M. Nishino, and K. Yumoto (1995); Magnetic storm-related electrons penetrating into the inner magnetosphere, deduced from ground-based measurements of resonant waves, J._Geomag. Geoelectr., 47, 943-952.

385.    Shiokawa, K., K. Yumoto, K. Hayashi, T. Oguti, and D.J. McEwen (1995); A statistical study of the motions of auroral arcs on the high-latitude morning sector, J._Geophys. Res., 100, No.11, 21,979-21,985.

386.    Kawano, H., T. Yamamoto, S. Kokubun, K. Tsuruda, A.T. Lui, D.J. Williams, K.Yumoto, H. Hayakawa, M. Nakamura, T. Okada, A. Matsuoka, K. Shiokawa, and A. Nishida (1994); A flux rope followed by recurring encounters with traveling compression regions:Geotail observations, Geophys._Res._Lett., 21, 2891-2894.

387.    Yoshikawa, A., M. Itonaga and T.-I.Kitamura, (1994), On the coupled effect between the field aligned and ionospheric current, Proceeding of Eight International Symposium on Solar Terrestrial Physics, June 5-10, 1994, Sendai, Japan, 155-159.

388.    Takahashi, K., S. Kokubun, H. Matsuoka, K. Shiokawa, K. Yumoto, M. Nakamura, H. Kawano, T. Yamamoto, A. Matsuoka, T. Tsuruda and H. Hayakawa (1994); Geotail observation of magnetosheric Pc 3 waves in the dayside magnetosphere, Geophys._Res. Lett., 21, 2899-2902.

389.    Yumoto, K., K. Shiokawa, Y. Tanaka, and T. Oguti (1994); Characteristics of magnetic variations caused by low-latitude aurorae observed around 210o magnetic meridian, J._Geomag._Geoelectr., 46, 213-229.

390.    Yumoto K., A. Isono, K. Shiokawa, H. Matsuoka, Y. Tanaka, F.W. Menk, B.J. Fraser, and 210o MM Magnetic Observation Group (1994); Global cavity mode-like and localized field-line Pc 3-4 oscillations stimulated by interplanetary impulse (si/sc): Initial results from the 210o MM magnetic observations, AGU Geophysical  Monograph on Solar Wind Sources of Magnetospheric ULF Waves, 81, 335-344.

391.    Yumoto, K, H. Osaki, K. Fukao, K. Shiokawa, Y. Tanaka, S.I. Soloveyev, G. Krymskij, E.F. Vershinin, V.F. Osinin, and 210o MM Magnetic Observation Group (1994); Correlation of high- and low-latitude Pi 2 magnetic pulsations  observed at 210o magnetic meridian chain stations, J. Geomag. Geoelectr., 46, 925-935.

392.    Yumoto, K., T. Endo, K. Shiokawa, Y. Tanaka, and 210o MM Magnetic Observation Group (1994); Ionospheric current and magnetic variations caused by low-latitude aurorae, COSPAR Colloqa Ser. Vol.7 on Low-latitude Ionospheric Physics, edited by Fu-Shong Kuo, Pergamon Press, pp.241-250.

393.    Shiokawa, K., K. Yumoto, Y. Tanaka, T. Oguti, and Y. Kiyama (1994); Low-latitude auroras observed at Moshiri and Rikubetsu (L=1.6) during magnetic storms on February 26,  27, 29, and May 10, 1992, J._Geomag._Geoelectr., 46, 231-252.

394.    Menk, F.W., and K. Yumoto (1994); Conjugate and meridional phase structure of low latitude ULF pulsations, Adv._Space_Res., 5, 425-428.

395.    Yumoto, K., B.A. Pilipenko, E.H. Fedorov, H.A. Kurneva (1993); Mechanism of damping  of geomagnetic pulsations at low latitudes, Geomagnetism_&_Aeronomy, 33, No.5, 34-41.

396.    Shiokawa, K., and K. Yumoto (1993); Global characteristics of particle precipitations and field-aligned electron accelerations during isolated substorms, J._Geophys._Res., 98, 1359-1375.

397.    Takahashi, K., S.-I. Ohtani, and K. Yumoto (1992); AMPTE CCE observations of Pi 2 pulsations in the inner magnetosphere, Geophys._Res. Lett., 19, 1447-1450.

398.    Itonaga, M., and A. Yoshikawa et al., (1992), Discrete spectral structure of low latitude and equatorial Pi2 pulsations, Journal of Geomagnetism and Geoelectricity, Vol.44, No.3, 253-259.

399.    Yumoto, K., Y. Tanaka, T. Oguti, K. Shiokawa, Y. Yoshimura, A. Isono, B.J. Fraser, F.W. Menk, and 210o MM Magnetic Observation Group (1992); Globally coordinated magnetic observations along 210o magnetic meridian during STEP period: 1. Preliminary Results of low-latitude Pc 3's, J._Geomag._Geoelectr., 44, 261-276.

400.    Sutcliffe, P., and K. Yumoto (1991); On the cavity mode nature of low latitude Pi 2 pulsations, J._Geophys._Res., 96, 1543-1551.

401.    Yumoto, K. (1990); Evidence of magnetic cavity Pi 2 waves, J._Geomag. Geoelectr., 42,1281-1290.

402.    Fukunishi, H., R. Fujii, S. Kokubun, K. Hayashi, T. Tonegawa, S. Okano, M. Sugiura, K. Yumoto, I. Aoyama, T. sakurai, T. Saito, T. Iijima, A. Nishida, and M. Natori (1990); Magnetic field observations on the Akebono (EXOS-D) satellite, J._Geomag._Geoelectr., 42, 385-409.

403.    Yumoto,K., and W. Miyake (1988); Reply to L.J. Lanzerotti and A. Wolfe, J. Geomag. Geoelectr., 40, 1411-1412. Yumoto, K., K. Takahashi, T. Saito, F.W. Menk, B.J. Fraser, T.A. Potemra, and L.J.Zanetti (1989); Some aspects of the relation between Pi 1-2 magnetic pulsations observed at L =1.3-2.1 on the ground and substorm-associated magnetic field variations in the near-earth magnetotail observed by AMPTE/CCE, J._Geophys._Res., 94, 3611-3618.

404.    Yumoto, K., K. Takahashi, T. Ogawa, and T. Watanabe (1989); Ionospheric HF-Doppler and geomagnetic oscillations in association with ssc and si in February 1986,J._Geomag._Geoelectr., 41, 871-878.

405.    Sutcliffe P. R. and K. Yumoto (1989); Dayside Pi 2 pulsations at low latitudes, Geophys._Res._Lett., 16, 887-890. Yumoto, K., K. Takahashi, T. Sakurai, P.R. Sutcliffe, S. Kokubun, T. Saito, H. Luhr, M.Kuwashima, and N. Sato (1990); Multiple ground-based and satellite observations of globalPi 2 magnetic pulsations, J._Geophys._Res., 95, 15175-1518.

406.    Miyake, W., K. Kobayashi, K.-I. Oyama, T. Mukai, T. Abe, T. Terasawa, K. Yumoto, T. Saito, K. Hirao, A.J. Lazarus, and A.D. Johnstone (1988); Multi-spacecraft observations of heliogra-phic structure of the solar wind, Planet._Space_Sci., 36, 1329-1342.

407.    Yumoto, K., T. Saito, Y. Tanaka, K.J.W. Lynn, F.W. Menk, and B.J. Fraser (1988); Polarization and amplitude characteristics of Pc 3 pulsations in conjugate area around L = 1.3-2.1, J._Geophys._Res., 93, 7386-7397.

408.    Yumoto, K. (1988); External and internal sources of low-frequency MHD waves in themagnetosphere --- A review, J._Geomag._Geoelectr., 40,  293-311.