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2002 Fiscal Year Final Research Report Summary

Solar Wind Energy Transfer into Magneto-Ionos-Atmosphere

Research Project

Project/Area Number 12373003
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Space and upper atmospheric physics
Research InstitutionKYUSHU UNIVERSITY

Principal Investigator

YUMOTO Kiyohumi  Faculty of Sciences, Professor, 大学院・理学研究院, 教授 (20125686)

Co-Investigator(Kenkyū-buntansha) UTADA Hisashi  Tokyo University, institute of Earthquake, Professor, 地震研究所, 教授 (70134632)
HAYASHI Kanji  Tokyo University, Graduate School of Sciences, Associate Professor, 理学系研究科, 助教授 (60011730)
YOSHIKAWA Akimasa  Faculty of Sciences, Research Associate, 大学院・理学研究院, 助手 (70284479)
KIKUCHI Takashi  Communication Research Laboratory, Chief Researcher, 主任研究官(研究職)
SETO Masahiro  Tohoku Institute of Technology, Dept. of CommunicationEngineering, Professor, 通信工学科, 教授 (60085412)
Project Period (FY) 2000 – 2002
Keywordssolar wind changes / polar disturbances / magnetospheric response / transfer process / 210 MM network / equatorial network / international collaboration / CPMN
Research Abstract

Multinationally coordinated observations have been conducted along the 210 deg magnetic meridian from high latitudes through middle and low latitudes to the equatorial region, spanning L=8.50-1.00, and along the magnetic dip equator, in cooperation with more 30 organizations in Australia, Brazil, Canada, China, Indonesia, Japan, Korea, Micronesia, Papua New Guinea, Peru, Philippines, Russia, Taiwan, Vietnam, and the United States. The organized ground network data of magnetic fields make it possible (1) to study solar wind energy transfer process into Earth's magneto-ionos-Atmosphere system, and (2) to clarify the global propagation, transfer, and coupling processes of magnetospheric phenomena from the polar to equatorial regions.
During the period of 2000-2002, the following multinationally coordinated observations and research project were performed ;
(1) In order to clarify the relationships of magnetospheric phenomena in the polar and equatorial regions, we conducted magnetic and ele … More ctric field observations in Siberia, Alaska, Philippines, Guam, and Yap in the 210 MM network, and negotiated with the institutes in Canada, Brazil and Peru for collaborative magnetic observations.
(2) Optical and magnetic equipments (I.e., all-sky TV camerain, induction and fluxgate magnetometers) in Canada, which had been installed by University of Tokyo and Nagoya University during the STEP period, were re-used for the global network observations.
(3) Magnetic observations at middle- and low-latitude stations in Korea, Hawaii, Papua New Guinea, Pohnpei, Indonesia, and Australia in the Pacific region were also carried out to study the propagation and transfer processes of magnetospheric phenomena from the polar to equatorial regions.
(4) Especially, electromagnetic observations along the dip equator in the west Pacific region at Cebu and Davao in Philippines, at Pohnpei, Yap, Guam and Christmas Island in Micronesia, were started to investigate dynamics of the equatorial electrojet current and the associated phenomena.
(5) For effective data analyses and exchanges with the ISTP satellites and the other ground-based networks, the investigators of this project were dispatched to the IAGA Meeting, held at Hanoi in 2001, and the AGU meeting, held at San Francisco in 2002.
(6) Summary report of research results was published in March, 2003.
From the multinationally coordinated observations along the 210 deg. Magnetic meridian from high latitudes to the equatorial region, and along the magnetic dip equator, we could get important network data to study the magnetospheric responses to various changes in the solar wind, and clarify the global propagation and transfer characteristics of magnetospheric phenomena in the frequency range of DP 2 - Pc 3, from the polar to equatorial regions. Less

  • Research Products

    (124 results)

All Other

All Publications (124 results)

  • [Publications] Baishev, D.G., E.S.Barkova, S.I.Solovyev, K.Yumoto, A.G.Yahnin: "Frequency growth of IPDP pulsations during a substorm as a manifestation of equatorwar expansion of particle precipitation and current region"International Journal of Geomagnetism and Aeronomy. (in press). (2000)

    • Description
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  • [Publications] Cheng, C.-C., J.-K.Chao, K.Yumoto: "Spectral Power of Low-Latitude Pi 2 pulsations at the 210° Magnetic Meridian Stations and Plasmaspheric Cavity Resonances"Earth. Planets & Space. 52. 615-627 (2000)

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  • [Publications] Fedorov, E., V.Pilipenko, V.Surkov, D.R.K.Rao, K.Yumoto: "Ionospheric propagation of MHD disturbances from the equatorial electrojet"J. Geophys. Res.. 104,A3. 4329-4336 (2000)

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  • [Publications] Fujita S., T.Mizuta, M.Itonaga, H.Nakata, A.Yoshikawa: "Transient MHD impulses in the magnetosphere-ionosphere system : The 2D model of the Pi2 pulsations"Geophys. Res. Lett.. 28,No.101. 2161-2164 (2001)

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  • [Publications] Hayakawa, M., T.Itoh, K.Hattori, K.Yumoto: "ULF electromagnetic precursors for an earthquake at Biak, Indonesia on February 17, 1996"Geophys. Res. Lett.. 27,No.10. 1531-1534 (2000)

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  • [Publications] Itonaga M., A.Yoshikawa, K.Yumoto, S.Fujita, H.Nakata: "A study on the generation of field-aligned current in the magnetosphere"Mem. Fac. Sci., Kyushu Univ., Ser. D, Earth and Planet. Sci. 16,No.1. 1-9 (2000)

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  • [Publications] Itonaga M., A.Yoshikawa, S.Fujita: "A wave equation describing the generation of field-aligned current in the magnetosphere"Earth Planets Space. 52. 503-507 (2000)

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  • [Publications] Kawano, H., R.Nakamura, S.Kokubun, T.Mukai, T.Yamamoto, K.Yumoto, J.A.Slavin: "Substorm-assocaited shrinkage of the mid-tail magnetosphere : IACG campaign #2"Advance in Space Research. 1689-1696 (2000)

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  • [Publications] Kawano, H., C.T.Russell, J.A.Newbury: "Correlation between the solar wind dynamic and static pressures"J. Geophys. Res.. 105. 7583-7589 (2000)

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  • [Publications] Kepko, L., M.G.Kivelson, K.Yumoto: "Flow bursts, braking, and Pi2 pulsations"J. Geophys. Res.. 106. 1903-1915 (2001)

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  • [Publications] Kikuchi, T., M.Pinnock, A.Rodger, H.Luhr, T.Kitamura, H.Tachihara, M.Watanabe, N.Sato, M.Ruohoniemi: "Global evolution of a substorm-associated DP 2 current system observed by Super-DARMIN and magnetometers"Adv. Space Res.. 26. 121-124 (2000)

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  • [Publications] Kikuchi, T., H.Luhr, K.Schlegel, H.Tachihara, M.Shinohara, T.Kitamura: "Penetration of auroral electric fields to the equator during a substorm"J. Geophys. Res.. 105. 23251-23261 (2000)

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  • [Publications] 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, K.Yumoto: "UConjunction of tail satellite for substorm study : ISTP event of 1997 January 2"Geophys. Res. Lett.. 27,No.13. 1831-1834 (2000)

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

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  • [Publications] Nozawa, H., H.Misawa, S.Takahashi, A.Morioka, R.Sood, S.Okano, K.Yumoto: "Variability of SII emission from the Io plasma torus"Adv. Space Res.. (in press). (2000)

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  • [Publications] Nose.M., A.T.Y.Lui, S.Ohiani, B.H.Kauk, R.W.McEntire, D.J.Williams, T.Mukai, S.Kokubun, T.Nagai, T.Iyemori, K.Yumoto: "Acceleration of ionospheric origin ions in the near-Earth magnetotail during substorm"J. Geophys. Res.. 104,A4. 7669-7677 (2000)

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  • [Publications] Nose, M., S.Ohtani, A.T.Lui, S.P.Christon, R.W.McEntire, D.J.Williams, T.Mukai, Y.Saito, K.Yumoto: "Change of energetic ion composition in the plasma sheet during substorms"J. Geophys. Res.. (in press). (2000)

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  • [Publications] Sastri, J.H., T.Takeuchi, T.Araki, K.Yumoto, S.Tsunomura, H.Tachihara, H.Luehr, J.Waterman: "Preliminary impulse of the geomagnetic storm sudden commencement of November 18, 1993"J. Geophys. Res.. 106,A3. 3905-3918 (2001)

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  • [Publications] Solovyev, S.I., D.G.Baishev, E.S.Barkova, N.E.Molochushkin, K.Yumoto: "Pi 2 magnetic pulsations of auroral arc current system"Geophys. Res. Lett.. 27,No.13. 1839-1842 (2000)

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  • [Publications] Takenouchi, T., T.Araki, H.Luehr, O.Rasmussen, J.Watermann, D.K.Miling, I.R.Mann, K.Yumoto, K.Shiokawa, T.Nagai: "Geomagnetic negative sudden impulse due to a magnetic cloud observed on May 13, 1995"Geophys. Res. Lett.. 105,No.A8. 18835-18846 (2000)

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  • [Publications] Uozumi.T., K.Yumoto, H.Kawano, A.Yoshikawa, S.I.Solovyev, E.F.Vershinin, the 210 MM Observation Group: "Characteristics of energy transfer of Pi 2 magnetic pulsations : Latitudinal dependence"Geophys. Res. Lett.. 27,No.27. 1619-1623 (2000)

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  • [Publications] Waters, C.L., M.D.Sciffer, B.J.Fraser, F.W.Menk, K.Foulkes, K.Brand, O.Saka, K Yumoto: "The phase structure of very low latitude ULF waves across dawn"J. Geophys. Res.. (in press). (2001)

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  • [Publications] Yoshikawa A., M.Itonaga: "The nature of reflection and mode conversion of MHD waves at the inductive ionosphere : Multi-step conversion between divergent and rotational electric fields"J. Geophys. Res.. 105,No.A5. 10565-10584 (2000)

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  • [Publications] Akinaga, Y.M.Hayakawa, J.Y.Liu, K.Yumoto, K.Hattori: "A precursory ULF signature for Chi-Chi earthquake in Taiwan"Hazard and Earth System Sciences. (2001)

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  • [Publications] 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, K.Yumoto: "Large-scale geomagnetic effects of May 4, 1998"Adv. Space Res.. (in press). (2001)

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  • [Publications] Kangas.J., J.Kultima, A.Guglielmi, A.Potapov, K.Hayashi: "Impact of interplanetary shock on the ULF wave activity : A case study of the storm sudden commencement on September 22, 1999"Earth Planets Space. 53. 1177-1182 (2001)

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  • [Publications] Kikuchi, T., S.Tsunomura, K.Hashimoto, K.Nozaki: "Field-Aligned Current Effects on Mid Latitude Geomagnetic Sudden Commencements"J. Geophys. Res.. 106. 15555-15565 (2001)

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  • [Publications] Higuchi, T., S.-I.Ohtani, T.Uozumi, K.Yumoto: "Pi 2 onset time determination with information criterion"J. Geophys. Res. 06. 15555-15565 (2001)

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  • [Publications] Makarov, G.A., D.G.Baishev, S.I.Solovyev, V.A.Pilipenko, M.Engebretson, K.Yumoto: "Meridional propagation velocity of the geomagnetic sudden impulse in the high-latitude region"J. Geomag. Aeronomy. 41・5. 578-582 (2001)

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

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  • [Publications] Sakurai T., Y.Tonegawa, Y.Shinkai, K.Yumoto, S.Kokubun, K.Tsuruda, T.Mukai: "Poynting vectors of Pc 5 pulsations observed by the GEOTAIL satellite in the dayside outer magnetosphere"Earth Planets Space. 53. 843-849 (2001)

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  • [Publications] Yumoto, K., the CPMN Group: "Characteristics of Pi 2 magnetic pulsations observed at the CPMN stations : A review of the STEP results"Earth Planets Space. 53. 981-992 (2001)

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  • [Publications] Alexander S.Potapov, T.N.Poliushkina, K.Hayashi: "Transequatorial propagation of Pc1 emission on 23 October 1997"J. Geophys. Res. 107. art-number.-1128 (2002)

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  • [Publications] Hashimoto, K., T.Kikuchi: "Response of the magnetospheric convection to sudden IMF changes as deduced from the evolution of partial ring currents"J. Geophys. Res. 107・A11. 1337,doi:10.1029/2001JA009228 (2002)

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  • [Publications] Fujita S., T.Mizuta, M.Itonaga, H.Nakata, A.Yoshikawa: "A numerical simulation of the Pi2 pulsations associated with the substorm current wedge"J. Geophys. Res. 107・No.A3. 10.1029/2001JA900137 (2002)

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  • [Publications] Anderson, D., K.Yumoto, M.Ishitsuka, E.Kudeki: "Estimating daytime vertical ExB drift velocities in the equatorial F-region using ground-based magnetometer observations"Geophys. Res. Lett.. 29・No12. 1-4 (2002)

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  • [Publications] Kikuchi, T., T.Araki: "Comment on "Propagation of the preliminary reverse impulse of sudden commencements to low latitudes" by P. J. Chi et al."J. Geophys. Res. 1473.doi:10.1029/2001JA009220 (2002)

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  • [Publications] Kawano, H., G.Le, C.T.Russell, G.Rostoker, M.J.Brittnacher, G.K.Parks: "Substorm-time magnetic field perturbations in the polar magnetosphere : POLAR observations"Earth Planets Space. 54,NO.10. 963-971 (2002)

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  • [Publications] Kawano H., K.Yumoto, V.A.Pilipenko, Y.-M.Tanaka, S.Takasaki, M.Iizima, M.Seto: "Ground-based identification of magnetospheric field line eigenfrequency as a continuous function of ground latitude"J. Geophys. Res. SMP25-1-SMP25-12 (2002)

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  • [Publications] Nose, M., K.Takahashi, T.Uozumi, K.Yumoto, Y.Miyoshi, A.Morioka, D.K.Milling, P.R.Sutcliffe, H.Matsumoto, T.Goka: "Multipoint observations of a Pi2 pulsation on morning side : The September 20"J. Geophys. Res.. (in press). (2003)

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  • [Publications] Ohtani, S., R.Yamaguchi, M.Nose, H.Kawano, M.Engebretson, K.Yumoto: "Quiet time magnetotail dynamics and their implications for the substorm trigger"J. Geophys. Res.. 107. SMP6-1-6-10.February 1 (2002)

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  • [Publications] Mishin, E.V., J.C.Foster, A.P.Potekhin, A.Potapov, F.J.Rich, K.Yumoto, K.Schiegel, V.I.Taran, H.B.Vo: "Global-scale, quasi-periodic disturbances during the magnetic storm September 25, 1998"J. Geophys. Res.. (in press). (2002)

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  • [Publications] Munakata, K., H.Miyasaka, I.Sakurai, S.Yasue, C.Kato, S.Akahane, M.Koyama, D.L.Hall, Z.Fujii, K.Fujimoto, S.Sakakibara, I.E.Humble, M.L.Duldig: "Solar cycle variations of modulation parameters of galactic cosmic-rays in the heliosnhere"Adv. Soace Res.. Vol.29,No.10. 1527-1532 (2002)

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  • [Publications] Makita, K., F.Rodrigues, S.Monteiro, N.J.Schuch: "Airglow and GPS scintillation at Brazilian anomaly region"Bulletin of Sci. and Eng. Takushoku Univ. (in press). (2003)

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  • [Publications] Nishino, M., K.Makita, K.Yumoto, F.Rodrigues, N.J.Schuch, M.A.Abdu: "Unusual ionospheric absorption characterizing electron precipitation into the South Atlantic Magnetic Anomaly"Earth Planets Space. 54. 907-916 (2002)

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  • [Publications] Savin, S., J.Buechner, G.Consolini, B.Nikutowski, L.Zelenyi, E.Amata, H.U.Auster, I.Blecki, E.Dubinin, K.H.Fomacon, H.Kawano, et al.: "On the properties of turbulent boundary layer over polar cusps"Nonlinear Processes in Geophysics. 9. 443-451 (2002)

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  • [Publications] Shiokawa, K., Y.Otsuka, T.Ogawa, N.Balan, K.Igarashi, A.J.Ridley, D.J.Knipp, A.Saito, K.Yumoto: "A large-scale traveling ionospheric disturbance during the magnetic storm of September 15, 1999"J. Geophys. Res. 107. 10.1029/2001JA000245 (2002)

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  • [Publications] Shiokawa, K., K.Yumoto, J.V.Olson: "Multiple auroral brightenings and associated Pi 2 pulsations"Geophys. Res. Lett. Vol.29,No.11. 1-4 (2002)

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  • [Publications] Motoba, T., T.Kikuchi, H.Luhr, H.Tachihara, T.-I.Kitamura, K.Hayashi, T.Okuzawa: "Global Pc5 caused by a DP2-type ionospheric current system"J. Geophys. Res.. 107・A2. SMP7-1-12 (2002)

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  • [Publications] Motoba, T., T.Kikuchi, H.Luhr, H.Tachihara, T.-I.Kitamura, T.Okuzawa: "Equatorial Pc5 associated with moving current vortices in the high-latitude ionosphere"Proceedings of COSPAR Colloquium on Space Weather Study Using Multi-point Techniques, edited by L.-H.Lyu. 255-258 (2002)

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  • [Publications] Takahashi, K., K.Liou, K.Yumoto: "Correlative study of ultraviolet aurora and low-latitude Pi 2 pulsations"J. Geophys. Res. 107(in press). (2003)

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  • [Publications] Vassiliadis, D., A.J.Klimas, Parks, A.Viljanen, K.Yumoto: "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. 231-236 (2002)

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

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

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  • [Publications] Yamaguchi, R., H.Kawano, S.Ohtani, T.Higuchi, K.Yumoto, T.Mukai, Y.Saito, The Circum-pan Pacific Magnetometer Network Group: "The timing relationship between bursty bulk flows and Pi2s at the geosynchronous orbit"Geophys. Res. Lett. (in press). (2002)

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  • [Publications] Yoshikawa, A., M.Itonaga, M.Shinohara, K.Yumoto: "Diagrammatic method to describe the self-inductive response of magnetosphere-ionosphere-atmosphere-Earth electromagneticallyc oupled system as a quasi-particle excitation"J. Geophys. Res. 107. SMP3,1-9 (2002)

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  • [Publications] Yoshikawa, A., M.Itonaga, M.Shinohara, Y.Obana, K.Yumoto: "The Hall induced shielding effect on the geomagnetic pulsations"Geophys. Res. Lett. Vol.29,No.8. 107,1-4 (2002)

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  • [Publications] Yoshikawa A.: "How does the rotational Hall current absorb increasing energy from the field-aligned current system?"Geophys. Res. Lett. Vol.29,No.7. 37,1-4 (2002)

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  • [Publications] Yoshikawa, A.: "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. Vol.107,No.A12. 1445.doi:10.1029-2001JA009170 (2002)

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  • [Publications] Yoshikawa, A., M.Itonaga, K.Yumoto: "On the energy of the poloidal magnetic field near the ionosohere"Adv. Polar Upper Atmos. Res.. 16. 45-58 (2002)

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  • [Publications] Yumoto, K: "Sudden changes during auroral substorm"Bifurcation Phenomena in Plasma edited by S-I. Itoh and Y.. 981-992 (2002)

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  • [Publications] Yumoto, K., M.Shinohara, K.Nozaki, E.A.Orosco, Fr.V.Badillo, D.Bringas, the CPMN and WestPac Observation Groups: "Simultaneous Ground-based Observations of Electric and Magnetic Field Variations near the Magnetic Equator for Space Weather Study"COSPAR Colloqa Ser. Vol. on Space weather study using multi-point techniques, edited by, Pergamon Press. 217-227 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Baishev, D.G., E.S.Barkova, S.I.Solovyev, K.Yumoto, A.G.Yahnin: "Frequency growth of IPDF pulsations during a substorm as a manifestation of equatorward expansion of particle precipitation and current region"International Journal of Geomagnetism and Aeronomy. in press. (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Cheng, C.-C., J.-K.Chao, and K.Yumoto: "Spectral Power of Low-Latitude Pi 2 pulsations at the 210o Magnetic Meridian Stations and Plasmaspheric Cavity Resonances"Earth, Planets & Space. 52. 615-627 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Fedrov, E., V.Pilipenko, V.Surkov, D.R.K.Rao, and K.Yumoto: "Ionospheric propagation of MHD disturbances from the equatorial electrojet"J.Geophys.Res.. 104. 4329-4366 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hayakawa, M., T.Itoh, K.Hattori, and K.Yumoto: "ULF electromagnetic precursors for an earthquake at Biak, Indonesia on February 17, 1996"Geophys.Res.Lett.. 27, No.10. 1531-1534 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kawano, H., R.Nakamura, S.Kokubun, T.Mukai, T.Yamamoto, K.Yumoto, and J.A.Slavin: "Substorm-associated shrinkage of the mid-tail magnetosphere : IACG campaign #2"Advances in Space Research. 25, No.7/8. 1689-1696 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kawano, H., C.T.Russell and J.A.Newbury: "Correlation between the solar wind dynamic and Static pressures"J.Geophys.Res.. 105. 7583-7589 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kikuchi, T., M.Pinnock, A.Rodger, H.Luehr, T.Kitamura, H.Tachihara, M.Watanabe, N.Sato and M.Ruohoniemi: "Global evolution of a substorm-associated DP2 current system observed by SuperDARN and magnetometers"Advances in Space Research. 26. 121-124 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kikuchi, T., H.Luehr, K.Schlegel, H.Tachihara, M.Shinohara and T.I.Kitamura: "Penetration of auroral electric fields to the equator during a substorm"J.Geophys.Res.. 105. 23251-23261 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] 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: "Conjunction of tail satellite for substorm study : ISTP event of 1997 January 2"Geophys.Res.Lett.. 27, No.13. 1831-1834 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] 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 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nose, M., S.Ohtani, A.T.Lui, S.P.Christon, R.W.McEntire, D.J.Williams, T.Mukai, Y. Saito, and K.Yumoto: "Change of energetic ion composition in the plasma sheet during substorms"J.Geophys.Res.. 105, A10. 23277-23286 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Solovyev, S.I., D.G.Baishev, E.S.Barkova, N.E.Molochushkin, and K.Yumoto: "Pi 2 magnetic pulsations of auroral arc current system"Geophys.Res.Lett.. 27, No.13. 1839-1842 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Takenouchi, T., T.Araki, H.Luehr, O.Rasmussen, J.Watermann, D.K.Miling, I.R.Mann, K.Yumoto, K.Shiokawa, and T.Nagai: "Geomagnetic negative sudden impulse due to a magnetic cloud observed on May 13, 1995"J.Geophys.Res.. 105, No.A8. 18835-18846 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Uozumi, T., K.Yumoto, H.Kawano, A.Yoshikawa, J.V.Olson, S.I.Solovyev, E.F.Vershinin: "Characteristics of energy transfer of Pi 2 magnetic pulsations : Latitudinal dependence"Geophys.Res.Lett.. 27, No.11. 1619-1623 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Itonaga M., A.Yoshikawa, K.Yumoto, S.Fujita and H.Nakata: "A study on the generation of field-aligned current in the magnetosphere"Mem.Fac.Sci., Kyushu Univ., Ser, D.Earth and Planet.Sci.. Vol.XXXI, No1. 1-9

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Itonaga, M., A.Yoshikawa and S.Fujita: "A wave equation describing the generation of field-aligned current in the Magnetosphere"Earth Planets Space. 52. 503-507 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nakata, H., S.Fujita, A.Yoshikawa, M.Itonaga, and K.Yumoto: "Ground magnetic perturbations associated with the standing toroidal mode oscillations in the magnetosphere-ionosphere system"Earth, Planets & Space. 52. 601-613 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoshikawa, A., and M.Itonaga: "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.. Vol.105, No.A5. 10565-10584 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Makita, K., M.Hoshino, M.Nishino, T.Kikuchi, K.Yumoto and N.J.Schuch: "Optical emission in Brazilian geomagnetic anomaly region (1)"Bulletin of Sci. and Eng. Takushoku Univ. 7(4). 9-16 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nozawa H., M., H.Misawa, S.Takahashi, A.Morioka, R.Sood, S.Okano, and K.Yumoto: "Validity of SII emission from the Io plasma torus"Adv.Space Res.. in press. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Fujita S., T.Mizuta, M.Itonaga, H.Nakata and A.Yoshikawa: "Transient MHD impulses in the magnetosphere-ionosphere system : The 2D model of the Pi2 pulsations"Geophys.Res.Lett.. Vol.28, No.11. 2161-2164 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] 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: "Large-scale geomagnetic effects of May 4, 1998"Adv.Space Res.. in press. (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kangas, J., J.Kultima, A.Guglielmi, A.Potapov, and K.Hayashi: "Impact of interplanetary shock on the ULF wave activity : A case study of the storm sudden commencement on September 22, 1999"Earth Planets Space. 53, December. 1177-1182 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kepko, L., M.G.Kivelson, and K.Yumoto: "Flow bursts, braking, and Pi2 pulsations"J.Geophys.Res.. 106, No.A2. 1903-1915 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kikuchi, T., S.Tsunomura, K.Hashimoto, and K.Nozaki: "Field-Aligned Current Effects on Mid Latitude Geomagnetic Sudden Commencements"J.Geophys.Res.. 106, 15. 555-15565 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Makarov, G.A., D.G.Baishev, S.I.Solovyev, V.A.Pilipenko, M.Engebretson, and K.Yumoto: "Meridional propagation velocity of the geomagnetic sudden impulse in the high-latitude region"J.Geomag.Aeronomy. Vol.41, No.5. 578-582 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nose, M., S.Ohtani, K.Takahashi, A.T.Lui, R.W.McEntite, D.J.Williams, S.P.Christon, and K.Yumoto: "Ion composition of the near-Earth plasma sheet in substorm and quiet intervals : Geotail/EPIC measurements"J.Geophys.Res.. 106, A5. 8391-8403 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Sakurai, T., Y.Tonegawa, Y.Shinkai, K.Yumoto, S.Kokubun, K.Tsuruda, and T.Mukai: "Poynting vectors of Pc 5 pulsations observed by GEOTAIL satellite in the dayside outer magnetosphere"Earth Planets and Space. 53. 843-849 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Sastri J.H., T.Takeuchi, T.Araki, K.Yumoto, S.Tsunomura, H.Tachihara, H.Luehr, and J.Watermann: "Preliminary impulse of the geomagnetic storm sudden commencement of November 18, 1993"J.Geophys.Res.. 106. 3905-3918 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Waters, C.L., M.D.Sciffer, B.J.Fraser, F.W.Menk, K.Foulkes, K.Brand, O.Saka and K.Yumoto: "The phase structure of very low latitude ULF waves across dawn"J.Geophys.Res.. 106, B8. 15599-15607 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yumoto, K., and the CPMN Group: "Characteristics of Pi 2 magnetic pulsations observed at the CPMN stations- A review of the STEP results"Earth Planets Space. 53. 981-992 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Anderson, D., A.Anghel, K.Yumoto, M.Ishitsuka, and E.Kudeki: "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 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Alexander S.Potapov, T.N.Poliushkina, K.Hayashi: "Transequatorial propagation of Pc1 emission on 23 October 1997"J.Geophys.Res.. 107, art-number. -1128, July. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hashimoto, K. and T.Kikuchi: "Response of the magnetospheric convection to sudden IMF changes as deduced from the evolution of partial ring currents"J.Geophys.Res.. 107, A11, doi : 10.1029/2001JA009228. 1337 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kawano, H., K.Yumoto, V.A.Pilipenko, Y.-M.Tanaka, S.Takasaki, M.Iizima, and M.Seto: "Using two ground stations to identify magnetospheric field line eigenfrequency as a continuous function of ground latitude"Journal of Geophysical Research. 107, SMP 25-1 -25-12, August 24. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kawano, H., G.Le, C.T.Russell, G.Rostoker, M.J.Brittnacher, and G.K.Parks: "Substorm-time magnetic field perturbations in the polar magnetosphere : POLAR observations"Earth, Planets and Space. 54, No.10. 963-971 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kikuchi, T. and T.Araki: "Comment on "Propagation of the preliminary reverse impulse of sudden commencements to low latitudes" by P.J.Chi et al."J.Geophys.Res.. 107, A12, doi : 10.1029/2001JA009220. 1473 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] 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, in press. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Motoba, T., T.Kikuchi, H.Luhr, H.Tachihara, T.-I.Kitamura, K.Hayashi and T.Okuzawa: "Global Pc5 caused by a DP2-type ionospheric current system"J.Geophys.Res.. 107, A2, SMP 7-1-12. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Motoba, T., T.Kikuchi, H.Luhr, H.Tachihara, T.-I.Kitamura and T.Okuzawa, edited by L.-H.Lyu: "Equatorial Pc5 associated with moving current vortices in the high-latitude ionosphere"Proceedings of COSPAR Colloquium on Space Weather Study Using Multi-point Techniques. 255-258 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nose, M., K.Takahashi, T.Uozumi, K.Yumoto, Y.Miyoshi, A.Morioka, D.K.Milling, P.R.Sutcliffe, H.Matsumoto, and T.Goka (2002): "Multipoint observations of a Pi2 pulsation on morning side : The September 20, 1995, event"J.Geophys.Res.. in press. 1-7 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ohtani, S., R.Yamaguchi, M.Nose, H.Kawano, M.Engebretson, and K.Yumoto: "Quiet time magnetotail dynamics and their implications for the substorm trigger"Journal of Geophysical Research. 107, SMP 6 1-6-10, February 1. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Savin, S., J.Buechner, G.Consolini, B.Nikutowski, L.Zelenyi, E.Amata, H.U.Auster, J.Blecki, E.Dubinin, K.H.Fornacon, H.Kawano, S.Klimov, F.Marcucci, Z.Nemecek, A.Pedersen, J.L.Rauch, S.Romanov, J.Safrankova, J.A.Sauvaud, A.Skalsky, P.Song, Yu.Yermolaev: "On the properties of turbulent boundary layer over polar cusps"Nonlinear Processes in Geophysics. 9. 443-451 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Shiokawa, K., Y.Otsuka, T.Ogawa, N.Balan, K.Igarashi, A.J.Ridley, D.J.Knipp, A.Saito, and K.Yumoto: "A large-scale traveling ionospheric disturbance during the magnetic storm of September 15, 1999"J.Geophys.Res.. 107(A6), 10.1029/2001JA000245. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] 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 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Takahashi, K., K.Liou, and K.Yumoto: "Correlative study of ultraviolet aurora and low-latitude Pi2 pulsations"J.Geophys.Res.. 107, in press. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Velichko V.A., R.N.Boroyev, M.G.Gelberg, D.G.Baishev, J.V.Olson, R.J.Morris and K.Yumoto: "North-south asymmetry of the substorm intensity depending on the IMF BY-component"Earth Planets Space. 54. 955-961 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yamaguchi, R., H.Kawano, S.Ohtani, K.Yumoto, T.Mukai, Y.Saito, H.Hayakawa, and The Circum-pan Pacific Magnetometer Network Group: "The timing relationship between bursty bulk flows and Pi2s at geosynchronous orbit"Geophysical Research Letters. 29, 16-1-16-4, March 27. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Higuchi, T., S,-I.Ohtani, T.Uozumi, and K.Yumoto: "Pi 2 onset time determination with information criterion"J.Geophys.Res.. 107, No.06, 15, 555-15. 665 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoshikawa, A., K.Yumoto, M.Shinohara, and M.Itonaga: "Diagrammatic method to describe the self-inductive response of magnetosphere-ionosphere-atmosphere-Earth electromagneticallyc oupled system as a quasi-particle excitation"J.Geophys.Res.. 107, No.5, SMP 3. 1-9 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoshikawa, A., Y.Obana, M.Shinohara, M.Itonaga, and k.Yumoto: "Hall-induced inductive shielding effect on magnetic pulsation"Geophys.Res.Lett.. 29, No.8. 1-4 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoshikawa, A.: "On the energy of the poloidal magnetic field near the ionosphere"Adv. Polar Upper Atmos. Res.. 16. 45-58 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Fujita S., T.Mizuta, M.Itonaga, H.Nakata and A.Yoshikawa: "A numerical simulation of the Pi2 pulsations associated with the substorm current wedge"J.Geophys.Res.. Vol.107, No.A3, 10.1029/2001JA900137. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Munakata, K., H.Miyasaka, I.Sakurai, S.Yasue, C.Kato, S.Akahane, M.Koyama, D.L.Hall, Z.Fujii, K.Fujimoto, S.Sakakibara, J.E.Humble and M.L.Duldig: "Solar cycle variations of modulation parameters of galactic cosmic-rays in the heliosphere"Adv.Space Res.. Vol.29. 1527-1532 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nishino, M., K.Makita, K.Yumoto, F.Rodrigues and N.J.Schuch and M.A.Abdu: "Unusual ionospheric absorption characterizing electron precipitation into the South Atlantic Magnetic Anomaly"Earth Planets Space. 54. 907-916 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoshikawa, A.: "How does the rotational Hall current absorb increasing energy from the field-aligned current system?"Geophys.Res.Lett.. Vol.29, No.7, 10.1029/2001GL014125. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoshikawa, A.: "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.. Vol.107, No.A12, doi : 10.1029/2001JA009170. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Makita, K., F.Rodrigues, S.Monteiro and N.J.Schuch: "Airglow and GPS scintillation at Brazilian anomaly region"Bulletin of Sci. and Eng. Takushoku Univ.. Vol.9, (in press).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Vassiliadis, D., A.J.Klimas, B.-H.Ahn, R.J.Parks, A.Viljanen, and K.Yumoto, Edited by Ling-Hsiao Lyu: "High-latitude electrodynamics from a multi-array nonlinear geomagnetic model, COSPAR Colloquia Ser.Vol.12 on Space Weather Study using Multi-point Techniques"Pergamon Press. 231-236 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yagova, N., K.Yumoto, V.Pilipenko, K.Hattori, T.Nagao, and K.Saita, Eds. By M.Hayakawa and O.A.Molchanov: "Local variations of geomagnetic ULF noises and their relation to seismic activity, "Seismo Electromagntics. Lithosphere-Atmosphere-Ionosphere Coupling""TERRAPUB. 45-48 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yumoto K., M.Shinohara, K.Nozaki, E.A.Orosco, Fr.V.Badillo, D.Bringas and the CPMN and WestPac Observation Groups, Edited by Ling-Hsiao Lyu, Pergamon Press: "Simultaneous Ground-based Observations of Electric and Magnetic Field Variations near the Magnetic Equator for Space Weather Study"COSPAR Colloquia Ser. Vol.12 on Space Weather Study using Multi-point Techniques. 243-247 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yumoto, K., edited by S-I.Itoh and Y.Kawai: "Sudden changes during auroral substorm, Bifurcation Phenomena in Plasma"Kyushu Univ.. .217-227 (2002)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2004-04-14  

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