Zobrazeno 1 - 10
of 687
pro vyhledávání: '"Yoshizumi, Miyoshi"'
Autor:
Tomoe Taki, Satoshi Kurita, Airi Shinjo, Ibuki Fukasawa, Satoko Nakamura, Hirotsugu Kojima, Yoshiya Kasahara, Shoya Matsuda, Ayako Matsuoka, Yoshizumi Miyoshi, Iku Shinohara
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-13 (2024)
Abstract We analyzed electrostatic electron cyclotron harmonic waves observed by the interferometry observation mode of the Arase satellite. It is found that the magnitude of the phase difference varies with the satellite spin. The spin dependence of
Externí odkaz:
https://doaj.org/article/5b0e9db67c0c400b86e8c4da2af6931a
Autor:
Satoru Katsuda, Hiroyuki Shinagawa, Hitoshi Fujiwara, Hidekatsu Jin, Yasunobu Miyoshi, Yoshizumi Miyoshi, Yuko Motizuki, Motoki Nakajima, Kazuhiro Nakazawa, Kumiko K. Nobukawa, Yuichi Otsuka, Atsushi Shinbori, Takuya Sori, Chihiro Tao, Makoto S. Tashiro, Yuuki Wada, Takaya Yamawaki
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 20, Pp n/a-n/a (2024)
Abstract We present X‐ray observations of the upper atmospheric density disturbance caused by the explosive eruption of the Hunga Tonga‐Hunga Ha'apai (HTHH) volcano on 15 January 2022. From 14 January to 16 January, the Chinese X‐ray astronomy
Externí odkaz:
https://doaj.org/article/86d83625314343c68af8afe357f704a0
Autor:
Rui Chen, Yoshizumi Miyoshi, Xinliang Gao, Quanming Lu, Bruce T. Tsurutani, Keisuke Hosokawa, Tomoaki Hori, Yasunobu Ogawa, Shin‐Ichiro Oyama, Yoshiya Kasahara, Shoya Matsuda, Satoko Nakamura, Ayako Matsuoka, Iku Shinohara
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 16, Pp n/a-n/a (2024)
Abstract We report an Arase‐all sky imager (ASI) conjugate event in which the pulsating aurora (PsA) has a one‐to‐one correspondence with chorus bursts. Wavelet analysis displayed three peaks at ∼0.3 Hz, 4 Hz, and >10 Hz, corresponding to the
Externí odkaz:
https://doaj.org/article/a61b0a3ed61544628daf52098af405fd
Autor:
Bernhard Haas, Yuri Y. Shprits, Michael Wutzig, Mátyás Szabó-Roberts, Marina García Peñaranda, Angelica M. Castillo Tibocha, Julia Himmelsbach, Dedong Wang, Yoshizumi Miyoshi, Satoshi Kasahara, Kunihiro Keika, Shoichiro Yokota, Iku Shinohara, Tomo Hori
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The hazardous plasma environment surrounding Earth poses risks to satellites due to internal charging and surface charging effects. Accurate predictions of these risks are crucial for minimizing damage and preparing for system failures of sa
Externí odkaz:
https://doaj.org/article/2e5e706b85884a6392cfb358786e03f8
Autor:
I Made Agus Dwi Suarjaya, Desy Purnami Singgih Putri, Yuji Tanaka, Fajar Purnama, I Putu Agung Bayupati, Linawati, Yoshiya Kasahara, Shoya Matsuda, Yoshizumi Miyoshi, Iku Shinohara
Publikováno v:
Remote Sensing, Vol 16, Iss 22, p 4264 (2024)
The plasmasphere within Earth’s magnetosphere plays a crucial role in space physics, with its electron density distribution being pivotal and strongly influenced by solar activity. Very Low Frequency (VLF) waves, including whistlers, provide valuab
Externí odkaz:
https://doaj.org/article/6d0c23a164ce40c79473092c74969073
Autor:
Ryuho Kataoka, Yoshizumi Miyoshi, Kazuo Shiokawa, Nozomu Nishitani, Kunihiro Keika, Takanobu Amano, Kanako Seki
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 12, Pp n/a-n/a (2024)
Abstract We report a citizen science‐motivated study on the cause of an unusually bright red aurora as witnessed from Hokkaido, Japan during a magnetic storm on 1 December 2023. The auroral brightness of 5 kR is unusual for the Dst index peak of on
Externí odkaz:
https://doaj.org/article/90f6c755cdeb46d49c2120bca5ed5c96
Autor:
Vladimir Borisovich Belakhovsky, Vyacheslav A. Pilipenko, Elizaveta E. Antonova, Yoshizumi Miyoshi, Yoshiya Kasahara, Satoshi Kasahara, Nana Higashio, Iku Shinohara, Tomoaki Hori, Shoya Matsuda, Shoichiro Yokota, Takeshi Takashima, Mitani Takefumi, Kunihiro Keika, Satoko Nakamura
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-17 (2023)
Abstract Variations of relativistic electron fluxes (E ≥ 1 MeV) and wave activity in the Earth magnetosphere are studied to determine the contribution of different acceleration mechanisms of the outer radiation belt electrons: ULF mechanism, VLF me
Externí odkaz:
https://doaj.org/article/b618eec4ec1240928bbbbc2e77f43598
Autor:
Atsuki Shinbori, Yuichi Otsuka, Takuya Sori, Michi Nishioka, Perwitasari Septi, Takuo Tsuda, Nozomu Nishitani, Atsushi Kumamoto, Fuminori Tsuchiya, Shoya Matsuda, Yoshiya Kasahara, Ayako Matsuoka, Satoko Nakamura, Yoshizumi Miyoshi, Iku Shinohara
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-27 (2023)
Abstract The Hunga Tonga–Hunga Ha’apai (HTHH) undersea volcanic eruption that occurred at 04:15 UT on 15 January 2022 is one of the most explosive events in the modern era, and a vertical plume reached approximately 55 km, corresponding to a heig
Externí odkaz:
https://doaj.org/article/97fdbb728f2d4a75892f305bf1ab11d7
Autor:
Masahito Nosé, Atsuki Shinbori, Yoshizumi Miyoshi, Tomoaki Hori, Tsukasa Ohira, Junko Hashiba, Chizuko Naoe, Rui Gakiya, Maiko Okamoto, Takeshi Sagara, Takaaki Aoki, Shigeki Matsubara, Ichiro Takahashi, Hidekazu Hayashi, Kazunari Yamada, Yasuyuki Minamiyama, Yoshimasa Tanaka, Shuji Abe, Satoru UeNo, Shun Imajo, Yasuo Saito, Takuya Ashikita, Yuko Hori, Toshiyuki Shimizu, Nanako Okamura, Kaoru Hirano, Lee Bargatze
Publikováno v:
Data Science Journal, Vol 23, Pp 40-40 (2024)
This paper outlines our practice to enhance the findability and searchability of research data through metadata conversion from the Space Physics Archive Search and Extract (SPASE) schema to a more generic schema, the Japan Consortium for Open Access
Externí odkaz:
https://doaj.org/article/be33d75c0a0348a4888d5a736816cdc1
Autor:
Sai Zhang, Qinpei Yin, Hongming Yang, Fuliang Xiao, Qinghua Zhou, Qiwu Yang, Jiawen Tang, Zhoukun Deng, Yoshiya Kasahara, Yoshizumi Miyoshi, Atsushi Kumamoto, Yosuke Nakamura, Fuminori Tsuchiya, Iku Shinohara, Satoko Nakamura, Yasumasa Kasaba, Tomoaki Hori
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 5, Pp n/a-n/a (2024)
Abstract Previous studies have shown that auroral kilometric radiation (AKR) can play an important role in the magnetosphere‐atmosphere coupling and has the right‐handed extraordinary (R‐X), left‐handed ordinary (L‐O) and left‐handed extr
Externí odkaz:
https://doaj.org/article/93553dad06774869a866011341c70e15