Zobrazeno 1 - 10 of 81 pro vyhledávání: '"Yuko, Motizuki"'
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Akademický článek
X‐Raying Neutral Density Disturbances in the Mesosphere and Lower Thermosphere Induced by the 2022 Hunga‐Tonga Volcano Eruption‐Explosion
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
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2
Long-Term Density Trend in the Mesosphere and Lower Thermosphere from Occultations of the Crab Nebula with X-Ray Astronomy Satellites
Autor: Satoru Katsuda, Teruaki Enoto, Andrea N. Lommen, Koji Mori, Yuko Motizuki, Motoki Nakajima, Nathaniel C. Ruhl, Kosuke Sato, Gunter Stober, Makoto S. Tashiro, Yukikatsu Terada, Kent S. Wood
We present long-term density trends of the Earth's upper atmosphere at altitudes between 71 and 116 km, based on atmospheric occultations of the Crab Nebula observed with X-ray astronomy satellites, ASCA, RXTE, Suzaku, NuSTAR, and Hitomi. The combina
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e71245373c51d6d9a9a7eb6569f0e54b
http://arxiv.org/abs/2302.05335
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10
A novel high-resolution laser-melting sampler for discrete analyses of ion concentrations and stable water isotopic compositions in firn and ice cores
Autor: Maruyama Masayuki, Masaki Yumoto, Yasushige Yano, Michio Sakashita, Junya Hirose, Kiwamu Kase, Takahashi Kazuya, Yoichi Nakai, Yu Vin Sahoo, Satoshi Wada, Yuko Motizuki
Ice cores preserve past climatic changes and, in some cases, astronomical signals. Here we present a newly developed automated ice-core sampler that employs laser melting. A hole in an ice core approximately 3 mm in diameter is melted and heated well
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f71bbb8a1d5e1f4ae280a85c6987aea1
https://doi.org/10.5194/egusphere-egu21-7935
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