Suivre
Akimasa Yoshikawa
Akimasa Yoshikawa
Department of Earth and Planetary Sciences, Kyushu University
Adresse e-mail validée de geo.kyushu-u.ac.jp
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Substorm convection and current system deduced from the global simulation
T Tanaka, A Nakamizo, A Yoshikawa, S Fujita, H Shinagawa, H Shimazu, ...
Journal of Geophysical Research: Space Physics 115 (A5), 2010
922010
Reflection of shear Alfvén waves at the ionosphere and the divergent Hall current
A Yoshikawa, M Itonaga
Geophysical research letters 23 (1), 101-104, 1996
901996
An empirical model of the quiet daily geomagnetic field variation
Y Yamazaki, K Yumoto, MG Cardinal, BJ Fraser, P Hattori, Y Kakinami, ...
Journal of Geophysical Research: Space Physics 116 (A10), 2011
842011
The nature of reflection and mode conversion of MHD waves in the inductive ionosphere: Multistep mode conversion between divergent and rotational electric fields
A Yoshikawa, M Itonaga
Journal of Geophysical Research: Space Physics 105 (A5), 10565-10584, 2000
622000
Resonant cavities and waveguides in the ionosphere and atmosphere
RL Lysak, A Yoshikawa
GEOPHYSICAL MONOGRAPH-AMERICAN GEOPHYSICAL UNION 169, 289, 2006
452006
Wave characteristics of daytime and nighttime Pi 2 pulsations at the equatorial and low latitudes
M Shinohara, K Yumoto, A Yoshikawa, O Saka, SI Solovyev, EF Vershinin, ...
Geophysical research letters 24 (18), 2279-2282, 1997
451997
A numerical simulation of the Pi2 pulsations associated with the substorm current wedge
S Fujita, H Nakata, M Itonaga, A Yoshikawa, T Mizuta
Journal of Geophysical Research: Space Physics 107 (A3), SMP 2-1-SMP 2-15, 2002
442002
Characteristics of energy transfer of Pi 2 magnetic pulsations: Latitudinal dependence
T Uozumi, K Yumoto, H Kawano, A Yoshikawa, JV Olson, SI Solovyev, ...
Geophysical Research Letters 27 (11), 1619-1622, 2000
422000
Longitudinal variation of equatorial electrojet and the occurrence of its counter electrojet
AB Rabiu, OO Folarin, T Uozumi, NS Abdul Hamid, A Yoshikawa
Annales Geophysicae 35 (3), 535-545, 2017
362017
Magnetic field investigation of Mercury's magnetosphere and the inner heliosphere by MMO/MGF
W Baumjohann, A Matsuoka, W Magnes, KH Glassmeier, R Nakamura, ...
Planetary and Space Science 58 (1-2), 279-286, 2010
362010
A new index to monitor temporal and long-term variations of the equatorial electrojet by MAGDAS/CPMN real-time data: EE-Index
T Uozumi, K Yumoto, K Kitamura, S Abe, Y Kakinami, M Shinohara, ...
Earth, planets and space 60 (7), 785-790, 2008
352008
A case study of ionospheric storm effects during long‐lasting southward IMF Bz‐driven geomagnetic storm
J Liu, L Liu, T Nakamura, B Zhao, B Ning, A Yoshikawa
Journal of Geophysical Research: Space Physics 119 (9), 7716-7731, 2014
332014
Reformulation and energy flow of the Cowling channel
R Fujii, O Amm, A Yoshikawa, A Ieda, H Vanhamäki
Journal of Geophysical Research: Space Physics 116 (A2), 2011
332011
Propagation characteristics of Pi 2 magnetic pulsations observed at ground high latitudes
T Uozumi, K Yumoto, H Kawano, A Yoshikawa, S Ohtani, JV Olson, ...
Journal of Geophysical Research: Space Physics 109 (A8), 2004
322004
Eigenmode analysis of field line oscillations interacting with the ionosphere‐atmosphere‐solid Earth electromagnetic coupled system
A Yoshikawa, M Itonaga, S Fujita, H Nakata, K Yumoto
Journal of Geophysical Research: Space Physics 104 (A12), 28437-28457, 1999
321999
Local time distribution of low and middle latitude ground magnetic disturbances at sawtooth injections of 18–19 April 2002
K Kitamura, H Kawano, S Ohtani, A Yoshikawa, K Yumoto
Journal of Geophysical Research: Space Physics 110 (A7), 2005
292005
Relationship between the equatorial electrojet and global Sq currents at the dip equator region
NSA Hamid, H Liu, T Uozumi, K Yumoto, B Veenadhari, A Yoshikawa, ...
Earth, Planets and Space 66 (1), 1-11, 2014
282014
Wave characteristics of geomagnetic pulsations across the dip equator
M Shinohara, K Yumoto, N Hosen, A Yoshikawa, H Tachihara, O Saka, ...
Journal of Geophysical Research: Space Physics 103 (A6), 11745-11754, 1998
281998
Ground magnetic effects of the equatorial electrojet simulated by the TIE‐GCM driven by TIMED satellite data
Y Yamazaki, AD Richmond, A Maute, Q Wu, DA Ortland, A Yoshikawa, ...
Journal of Geophysical Research: Space Physics 119 (4), 3150-3161, 2014
272014
Towards understanding the electrodynamics of the 3-dimensional high-latitude ionosphere: present and future
O Amm, A Aruliah, SC Buchert, R Fujii, JW Gjerloev, A Ieda, T Matsuo, ...
Annales Geophysicae 26 (12), 3913-3932, 2008
272008
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