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[文献書誌] Li., Y., B. J. Fraser、 F. W. Menk, D. J. Webster, and K. Yumoto: "Properties and Sources of low and very low latitude Pi 2 pulsations" J. Geophys. Res.103, No.A4. 2343-2358 (1998)
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[文献書誌] Sibeck, D. G., Takahashi, K. Yumoto, and G. D. Reeves: "Concerning the origin of signatures in dayside equatorial ground magnetograms" J. Geophys. Res.103, No.A4. 6763-6769 (1998)
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[文献書誌] Tanaka, Y. -M., K.Yumoto, M. Shinohara, S. I. Solovyev, E. F. Vershinin, B. J. Fraser and D. Cole: "Coherent Pc 3 pulsations in the prenoon sector observed along the 210 deg. magnetic meridian" Geophys. Res. Lett.25, No.18. 3477-3480 (1998)
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[文献書誌] Vershinin, E. F., A. V. Buzevich, K. Yumoto, K. Saita, and Y. Tanaka: "Correlations of seismic activity with electromagnetic emssions and variations in Kamchatka region" Monograph on " Seismo-Atmospheric and-Ionospheric Electromagnetic Phenomenas. (in press).
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[文献書誌] Colqui, R., K. Yumoto, H. Tachihara, T-I Kitamura, N.B. Trivedi, and J. M. ds Costa: "Two-dimensional equational current system deduced from the Brazilian network, 1. based on the H component" Mem. Fac. Sci., Kyushu Univ., Ser. D, Earth Planet. Sci.vol.30, No.1. 1-14 (1998)
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[文献書誌] 巻田和男: "ブラジル磁気異常帯の観測概況と計画" STEシンポジウム、名古屋大学. 4-5 (1998)
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[文献書誌] Saka, O., T. Kitamura, H. Tachihara, M. Shinohara, N. B. Trivedi, G. D. Reeves, and T. L. hansen: "Amplitude modulation of the equatorial electrojet (EEJ) during a magnetospheric storm" Jour. Atmos. Solar-Terr. Phys.vol.60. 1129-1137 (1998)
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[文献書誌] 藤高和信: "宇宙と地球の放射線環境-その未来予測への挑戦-" 地球. 22. 5-8 (1998)
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[文献書誌] 藤高和信: "宇宙と地球の放射線環境の進化" 地球. 22. 17-25 (1998)
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[文献書誌] 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 Super DARN and magnetometers" Advances in Space Research. (in press).
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[文献書誌] Kawano, H., R. Nakamura, S. Kokubun, T. Mukai, T. Yamamoto, K. Yumoto, and A. Slavin: "Substorm-associated shrinkage of the mid-tail magnetosphere : IACG Campaign #2" Advances in Space Research. (in press).
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[文献書誌] Abdu, M. A., J. H. Sastri, H. Luhr, H. Tachihara, T. Kitamura, N. B. Trivedi, and J. H. A. Sobral: "DP 2 electric field fluctuations in the dusk-time dip equatorial ionosphere" Geophys. Res. Lett.VOL.25, NO.9. 1511-1514 (1998)
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[文献書誌] Kikuchi, T., H. Luhr, K. Schlegel, T. -I. Kitamura, and H. Tachihara: "Instantaneous penetration of electric fields associated with Region-1 and 2 fiels-aligned currents during a substorm as deduced from the EISCAT and the polar and equatorial magnetometer arrays" J. Geophys. Res.(in press).
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[文献書誌] Itonaga, M., A. Yoshikawa, and K. Yumoto: "Transient response of the non-uniform equatorial ionosphere to compressional MHD waves" J. Atmos. Solar-Terr. Phys.Vol.60, No.2. 253-261 (1998)
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[文献書誌] Itonaga, M., and K. Yumoto: "ULF waves and the ground magnetic field" J. Geophys. Res.Vol.103, No.A5. 9295-9291 (1998)
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[文献書誌] Itonaga, M., A. Yoshikawa, K. Yumoto, and S. Fujita: "Transient response of the non-uniform equatorial ionosphere to the ionospheric current of polar origin" 1998 Western Pacific Geophysics Metting, Taipei. SP41A-17 (1998)
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[文献書誌] Fujita, S., and M. Itonaga: "On instantaneous horizontal transmission of magnetic signals associated with the incident Alfven mode impulse from high-latitudes to middle-and low-latitudes" AGU 1998 Fall Meeting, San Francisco. SM41B-07 (1998)