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Akimasa Yoshikawa
Akimasa Yoshikawa
Department of Earth and Planetary Sciences, Kyushu University
Verified email at geo.kyushu-u.ac.jp
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Cited by
Cited by
Year
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
1002011
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
972010
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
941996
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
652000
Resonant cavities and waveguides in the ionosphere and atmosphere
RL Lysak, A Yoshikawa
GEOPHYSICAL MONOGRAPH-AMERICAN GEOPHYSICAL UNION 169, 289, 2006
552006
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
512017
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
462002
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 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
432014
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
432000
Integrating pre-earthquake signatures from different precursor tools
E Ghamry, EK Mohamed, MS Abdalzaher, M Elwekeil, D Marchetti, ...
IEEE Access 9, 33268-33283, 2021
422021
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, 785-790, 2008
412008
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
382010
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, 1-11, 2014
372014
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
362014
Equivalent current systems for the annual and semiannual Sq variations observed along the 210°MM CPMN stations
Y Yamazaki, K Yumoto, T Uozumi, A Yoshikawa, MG Cardinal
Journal of Geophysical Research: Space Physics 114 (A12), 2009
342009
Modeling geomagnetically induced currents in Australian power networks using different conductivity models
RA Marshall, L Wang, GA Paskos, G Olivares‐Pulido, T Van Der Walt, ...
Space Weather 17 (5), 727-756, 2019
332019
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
332004
Modeling geomagnetic induced currents in Australian power networks
RA Marshall, A Kelly, T Van Der Walt, A Honecker, C Ong, D Mikkelsen, ...
Space Weather 15 (7), 895-916, 2017
322017
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