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Showing 1 - 20 results of 36 for search '"Keika, K."', Query Time: 2.22s
Total number: 36
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Acceleration sites of energetic ions upstream of the Earth's bow shock and in the magnetosheath: Statistical study on charge states of heavy ions (2004)
Keika, K. , Published in Journal of Geophysical Research (2004)
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Nighttime enhancement of the amplitude of geomagnetic sudden commencements and its dependence on IMF-Bz (2006)
Araki, T., Keika, K., Kamei, T., Yang, H., ... , Published in Earth, Planets and Space (2006)
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Characteristics of CME‐ and CIR‐Driven Ion Upflows in the Polar Ionosphere (2019)
Ogawa, Y., Seki, K., Keika, K., Ebihara, Y. , Published in Journal of Geophysical Research: Space Physics (2019)
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Evolution of ring current ion energy spectra during the storm recovery phase: Implication for dominant ion loss processes : RC ION ENERGY SPECTRA FROM IMAGE/HENA: RC ION ENERGY SPE... (2011)
Keika, K., Brandt, P. C., Nosé, M., Mitchell, D. G. , Published in Journal of Geophysical Research: Space Physics (2011)
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Radial Transport of Higher-Energy Oxygen Ions Into the Deep Inner Magnetosphere Observed by Van Allen Probes (2018)
Mitani, K., Seki, K., Keika, K., Gkioulidou, M., ... , Published in Geophysical Research Letters (2018)
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Ion Energies Dominating Energy Density in the Inner Magnetosphere: Spatial Distributions and Composition, Observed by Arase/MEP‐i (2018)
Keika, K., Kasahara, S., Yokota, S., Hoshino, M., ... , Published in Geophysical Research Letters (2018)
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Magnetic field depression at the Earth's surface during energetic neutral atom emission fade-out in the inner magnetosphere : SYM-H DECREASE DURING ENA FADE-OUT: SYM-H DECREASE DUR... (2011)
Nosé, M., Ohtani, S., Brandt, P. Cson, Iyemori, T., ... , Published in Journal of Geophysical Research: Space Physics (2011)
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Magnetic field dipolarization in the deep inner magnetosphere and its role in development of O+-rich ring current : DIPOLARIZATION IN INNER MAGNETOSPHERE: DIPOLARIZATION IN INNER M... (2010)
Nosé, M., Koshiishi, H., Matsumoto, H., Cson Brandt, P., ... , Published in Journal of Geophysical Research: Space Physics (2010)
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Inductive electric fields in the inner magnetosphere during geomagnetically active periods : INDUCTIVE E FIELDS IN THE RING CURRENT: INDUCTIVE E FIELDS IN THE RING CURRENT (2010)
Ohtani, S., Korth, H., Keika, K., Zheng, Y., ... , Published in Journal of Geophysical Research: Space Physics (2010)
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Escape of high-energy oxygen ions through magnetopause reconnection under northward IMF (2008)
Kasahara, S., Hasegawa, H., Keika, K., Miyashita, Y., ... , Published in Annales Geophysicae (2008)
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Contribution of charge exchange loss to the storm time ring current decay: IMAGE/HENA observations (2006)
Keika, K., Nosé, M., Brandt, P. C., Ohtani, S., ... , Published in Journal of Geophysical Research (2006)
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Outflow of energetic ions from the magnetosphere and its contribution to the decay of the storm time ring current : CONTRIBUTION OF ION OUTFLOW TO RING CURRENT DECAY: CONTRIBUTION... (2005)
Keika, K., Nosé, M., Ohtani, S., Takahashi, K., ... , Published in Journal of Geophysical Research: Space Physics (2005)
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Statistical Study of Selective Oxygen Increase in High‐Energy Ring Current Ions During Magnetic Storms (2019)
Mitani, K., Seki, K., Keika, K., Gkioulidou, M., ... , Published in Journal of Geophysical Research: Space Physics (2019)
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Magnetosphere‐Ionosphere Connection of Storm‐Time Region‐2 Field‐Aligned Current and Ring Current: Arase and AMPERE Observations (2018)
Imajo, S., Nosé, M., Matsuoka, A., Kasahara, S., ... , Published in Journal of Geophysical Research: Space Physics (2018)
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Plasma sheet changes caused by sudden enhancements of the solar wind pressure : SUDDEN IMPULSE AND PLASMA SHEET CHANGES: SUDDEN IMPULSE AND PLASMA SHEET CHANGES (2010)
Miyashita, Y., Keika, K., Liou, K., Machida, S., ... , Published in Journal of Geophysical Research: Space Physics (2010)
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Mass-dependent evolution of energetic neutral atoms energy spectra during storm time substorms: Implication for O+nonadiabatic acceleration : O+NONADIABATIC ACCELERATION: O+NONADIA... (2010)
Keika, K., Brandt, P. C., Ohtani, S., Mitchell, D. G., ... , Published in Journal of Geophysical Research: Space Physics (2010)
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A method for estimating the ring current structure and the electric potential distribution using energetic neutral atom data assimilation : DATA ASSIMILATION OF GLOBAL ENA DATA: DA... (2008)
Nakano, S., Ueno, G., Ebihara, Y., Fok, M.-C., ... , Published in Journal of Geophysical Research: Space Physics (2008)
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Meridional Distribution of Middle‐Energy Protons and Pressure‐Driven Currents in the Nightside Inner Magnetosphere: Arase Observations (2019)
Imajo, S., Nosé, M., Kasahara, S., Yokota, S., ... , Published in Journal of Geophysical Research: Space Physics (2019)
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Statistical Properties of Molecular Ions in the Ring Current Observed by the Arase (ERG) Satellite (2019)
Seki, K., Keika, K., Kasahara, S., Yokota, S., ... , Published in Geophysical Research Letters (2019)
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Van Allen Probes Observations of Drift-Bounce Resonance and Energy Transfer Between Energetic Ring Current Protons and Poloidal Pc4 Wave (2018)
Oimatsu, S., Nosé, M., Takahashi, K., Yamamoto, K., ... , Published in Journal of Geophysical Research: Space Physics (2018)
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Geographical Reference: not assigned
Access
36 Electronic Resources 24 Open Access
Format
36 Article, E-Article
Subject (RVK)
26 Physics 25 Geography 25 Geology 20 Technics 17 General Natural Sciences 17 Biology more ... 17 Chemistry and Pharmacy 17 Agriculture 10 not assigned See All ... less ...
Year of Publication
Language
29 English 7 Undetermined
Geographical Reference
not assigned
Collection
32 American Geophysical Union (AGU) (CrossRef) 2 Copernicus GmbH (CrossRef) 2 Springer Nature (CrossRef)
Author
36 Keika, K. 15 Nosé, M. 10 Shinohara, I. 9 Miyoshi, Y. 8 Mitchell, D. G. 7 Kasahara, S. more ... 7 Matsuoka, A. 7 Seki, K. 6 Baumjohann, W. 6 Nakamura, R. 6 Ohtani, S. 6 Teramoto, M. 6 Yokota, S. 5 Angelopoulos, V. 5 Brandt, P. C. 5 Kletzing, C. A. 5 Miyashita, Y. 5 Nomura, R. 5 Oimatsu, S. 4 Dandouras, I. 4 Fujimoto, A. 4 Koshiishi, H. 4 McFadden, J. P. 4 Yamamoto, K. 3 Auster, H. U. 3 Carlson, C. W. 3 Hori, T. 3 Imajo, S. 3 Larson, D. 3 Lucek, E. A. 3 MacDowall, R. J. 3 Magnes, W. 3 Matsumoto, H. 3 Mukai, T. 3 Reeves, G. D. 3 Saito, Y. 3 Shoji, M. 3 Smith, C. W. 3 Takahashi, K. 2 Asamura, K. 2 Auster, U. 2 Bonnell, J. W. 2 Carr, C. M. 2 Ebihara, Y. 2 Ergun, R. E. 2 Fornaçon, K. H. 2 Fujimoto, M. 2 Gkioulidou, M. 2 Glassmeier, K. H. 2 Hasegawa, H. 2 Higashio, N. 2 Kasahara, Y. 2 Klecker, B. 2 Koga, K. 2 Korth, H. 2 Lanzerotti, L. J. 2 Larsen, B. A. 2 Le Contel, O. 2 Machida, S. 2 Matsuda, S. 2 Mitani, K. 2 Nakano, S. 2 Nishino, M. N. 2 Obara, T. 2 Ogawa, Y. 2 Rème, H. 2 Shinohara, M. 2 Shiokawa, K. 2 Singer, H. J. 2 Spence, H. E. 2 Takada, T. 2 Tanaka, Y.-M. 2 Volwerk, M. 1 Abe, S. 1 Alex, S. 1 Amano, T. 1 Anderson, B. 1 Andersson, L. 1 André, M. 1 Araki, T. 1 Argall, M. R. 1 Bale, S. D. 1 Biernat, H. K. 1 Boardsen, S. A. 1 Bonnell, J. 1 Brandt, P. Cson 1 Breneman, A. 1 Bromund, K. 1 Burch, J. L. 1 Bučík, R. 1 Candey, R. M. 1 Carr, C. 1 Chang, T. F. 1 Chen, Xiang‐Cai 1 Chi, P. J. 1 Chiang, C.-Y. 1 Christon, S. P. 1 Cohen, I. J. 1 Cornilleau-Wehrlin, N. 1 Cruce, P. See All ... less ...

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