日本地球惑星科学連合(JpGU), PEPS The Most Accessed Paper Award 2017(http://progearthplanetsci.org/awards_j/most-accessed-2017.html),The geospace response to variable inputs from the lower atmosphere: a review of the progress made by Task Group 4 of CAWSES-IIJens Oberheide Kazuo Shiokawa Subramanian Gurubaran William E Ward Hi toshi Fujiwara Michael J Kosch Jonathan J Makela Hisao Takahashi
T. Takahashi   K. Hosokawa   S. Nozawa   T. T. Tsuda   Y. Ogawa   M. Tsutsumi   Y. Hiraki   H. Fujiwara   T. D. Kawahara   N. Saito   S. Wada   T. Kawabata   C. Hall   
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122(1) 1212-1220 2017年 [査読有り]
We quantitatively evaluated the Na density depletion due to charge transfer reactions between Na atoms and molecular ions produced by high-energy electron precipitation during a pulsating aurora (PsA). An extended period of PsA was captured by an ...
JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS 121(8) 1429-1444 2016年8月
A one-dimensional full-particle model of the Martian upper thermosphere-exosphere has been developed, where the Direct Simulation Monte Carlo (DSMC) method is applied to both thermal and nonthermal components. Our full-particle model can self-cons...
Yasunobu Miyoshi   Hitoshi Fujiwara   Hidekatsu Jin   Hiroyuki Shinagawa   
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120(12) 10897-10912 2015年12月 [査読有り]
Impacts of sudden stratospheric warming (SSW) on the thermosphere were studied using a gravity wave (GW)-resolving whole atmosphere model. During an SSW event, the mesosphere at high latitudes cools, and the lower thermosphere becomes warm. At the...
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120(4) 2754-2766 2015年4月 [査読有り]
Pulsating auroras show quasi-periodic intensity modulations caused by the precipitation of energetic electrons of the order of tens of keV. It is expected theoretically that not only these electrons but also subrelativistic/relativistic electrons ...