Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Masa‐yuki Yamamoto"'
Publikováno v:
Discover Geoscience, Vol 2, Iss 1, Pp 1-11 (2024)
Abstract When an object moves through the atmosphere, it induces pressure fluctuations. If the scale of the object’s movement spans several hundred meters to several kilometers, the period of the pressure fluctuation will range from several seconds
Externí odkaz:
https://doaj.org/article/6b602cf18f4343ac909ad2e83d9e0e7c
Autor:
Mario Batubara, Masa-yuki Yamamoto, Islam Hosni Hemdan Eldedsouki Hamama, Musthofa Lathif, Ibnu Fathrio
Publikováno v:
AIMS Geosciences, Vol 9, Iss 4, Pp 652-671 (2023)
Thunderstorm activity on March 25, 2023 provided a unique opportunity to study the mechanism of lightning events on changes in air pressure. In particular, this event made it possible to study changes in air pressure during thunderstorms using variou
Externí odkaz:
https://doaj.org/article/4760f845a0fd488289050f03dd6f5633
Publikováno v:
Antarctic Record, Vol 67, Pp 1-11 (2023)
For infrasound monitoring in Antarctica, there is a need for infrasound sensors with low power consumption and high resistance to low-temperature environments. A new-type infrasound sensor (TYPE7744N/5002A) manufactured by ACO Co., Ltd. (Japan) with
Externí odkaz:
https://doaj.org/article/cb8f3d3aff774e2a81b6ede27d340769
Autor:
Yasuhiro Nishikawa, Masa-yuki Yamamoto, Kensuke Nakajima, Islam Hamama, Hiroaki Saito, Yoshihiro Kakinami, Masumi Yamada, Tung-Cheng Ho
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Tsunamis are commonly generated by earthquakes beneath the ocean floor, volcanic eruptions, and landslides. The tsunami following the Tonga eruption of 2022 is believed to have been excited by atmospheric pressure fluctuations generated by t
Externí odkaz:
https://doaj.org/article/4570e34c57d74772a3ee78760b7b35a7
Autor:
Elizabeth A. Silber, Daniel C. Bowman, Chris G. Carr, David P. Eisenberg, Brian R. Elbing, Benjamin Fernando, Milton A. Garcés, Robert Haaser, Siddharth Krishnamoorthy, Charles A. Langston, Yasuhiro Nishikawa, Jeremy Webster, Jacob F. Anderson, Stephen Arrowsmith, Sonia Bazargan, Luke Beardslee, Brant Beck, Jordan W. Bishop, Philip Blom, Grant Bracht, David L. Chichester, Anthony Christe, Jacob Clarke, Kenneth Cummins, James Cutts, Lisa Danielson, Carly Donahue, Kenneth Eack, Michael Fleigle, Douglas Fox, Ashish Goel, David Green, Yuta Hasumi, Chris Hayward, Dan Hicks, Jay Hix, Stephen Horton, Emalee Hough, David P. Huber, Madeline A. Hunt, Jennifer Inman, S. M. Ariful Islam, Jacob Izraelevitz, Jamey D. Jacob, James Johnson, Real J. KC, Attila Komjathy, Eric Lam, Justin LaPierre, Kevin Lewis, Richard D. Lewis, Patrick Liu, Léo Martire, Meaghan McCleary, Elisa A. McGhee, Ipsita Mitra, Amitabh Nag, Luis Ocampo Giraldo, Karen Pearson, Mathieu Plaisir, Sarah K. Popenhagen, Hamid Rassoul, Miro Ronac Giannone, Mirza Samnani, Nicholas Schmerr, Kate Spillman, Girish Srinivas, Samuel K. Takazawa, Alex Tempert, Reagan Turley, Cory Van Beek, Loïc Viens, Owen A. Walsh, Nathan Weinstein, Robert White, Brian Williams, Trevor C. Wilson, Shirin Wyckoff, Masa-yuki Yamamoto, Zachary Yap, Tyler Yoshiyama, Cleat Zeiler
Publikováno v:
The Planetary Science Journal, Vol 5, Iss 9, p 213 (2024)
Sample return capsules (SRCs) entering Earth’s atmosphere at hypervelocity from interplanetary space are a valuable resource for studying meteor phenomena. The 2023 September 24 arrival of the Origins, Spectral Interpretation, Resource Identificati
Externí odkaz:
https://doaj.org/article/fb676e15ac73432096929a3c0c3be5a7
Publikováno v:
Remote Sensing, Vol 15, Iss 2, p 441 (2023)
Kochi Prefecture is located in an active zone of Japan that is frequently subjected to landslides due to heavy precipitation in typhoon seasons. Slow-moving landslides have been reported by both the local prefectural authorities and the National Gove
Externí odkaz:
https://doaj.org/article/c7a6c08849544fb99cf76fa92225bfce
Autor:
Yoshihiro Kakinami, Hiroaki Saito, Tetsuo Yamamoto, Chia‐Hung Chen, Masa‐yuki Yamamoto, Kensuke Nakajima, Jann‐Yenq Liu, Shigeto Watanabe
Publikováno v:
Earth and Space Science, Vol 8, Iss 8, Pp n/a-n/a (2021)
Abstract We investigate ionospheric disturbances using the total electron content (TEC) data obtained from the radio signals emitted from three satellites after the foreshock of the 2011 Tohoku Earthquake on March 9, 2011. Co‐seismic ionospheric di
Externí odkaz:
https://doaj.org/article/72ef3a1dffbf49e4afc52ec1e86e679a
Autor:
Islam Hamama, Masa-yuki Yamamoto
Publikováno v:
Sensors, Vol 21, Iss 3, p 894 (2021)
The Kochi University of Technology (KUT) Infrasound Sensor Network contains 30 infrasound sensors which are distributed all over Japan especially in Shikoku Island. At all infrasound stations installed with three-axis accelerometers to measure the pe
Externí odkaz:
https://doaj.org/article/fe8871b126424328a65bdb7622650f9b
Autor:
Mario Batubara, Masa-yuki Yamamoto
Publikováno v:
Remote Sensing, Vol 12, Iss 4, p 728 (2020)
Thirty infrasound sensors have been operated over Japan since 2015. We developed the irregular array data processing in order to detect and estimate the parameters of the arrival source waves by using infrasound data related to the sequence of the vo
Externí odkaz:
https://doaj.org/article/b343ea283e8f488fa094f33d6b940c94
Autor:
Fumi Yoshida, Tsutomu Hayamizu, Kazuhisa Miyashita, Hiroyuki Watanabe, Hidehito Yamamura, Hiroshi Akitaya, Akira Asai, Yasunori Fujiwara, Tateki Goto, George L Hashimoto, Akitoshi Hatanaka, Toshihiro Horaguchi, Miyoshi Ida, Kazuyoshi Imamura, Ken Isobe, Masateru Ishiguro, Noboru Kaizuka, Hisashi Kasebe, Yohei Kawasaki, Taewoo Kim, Katsuhiko Kitazaki, Norihiro Manago, Masafumi Matsumura, Hiroshi Matsushita, Shuji Matsuura, Takahiro Nakamura, Toshihiro Nagata, Hirotomo Noda, Masaaki Ogawa, Osamu Ohshima, Minoru Owada, Kazuyuki Saitou, Mitsunori Tsumura, Yoshihiro Ueyama, Hayato Watanabe, Masa-yuki Yamamoto, Hideki Yoshihara, Takao Fujiwara, Miyu Haraguchi, Hironori Hayashi, Tomoya Hitotsuda, Toshihiro Horikawa, Kai Ishida, Tadashi Ito, Sunho Jin, Wonseok Kang, Toshihiko Katayama, Koji S Kawabata, Ryosuke Kawasaki, Kihyeon Kim, Masayuki Kita, Naoko Kitazaki, Hiroya Kurisu, Makoto Matsushima, Chika Matsumi, Ayami Mihari, Masaru Naka, Tatsuya Nakaoka, Reiko Nishihama, Yukio Nishiyama, Sadao Nukui, Masahiko Oba, Takaya Okamoto, Yujiro Omori, Jinguk Seo, Hiroki Shirakawa, Tomoshi Sugino, Yuki Tani, Kazuhiko Takagaki, Yukikazu Ueda, Seitaro Urakawa, Masanari Watanabe, Kouhei Yamashita, Misato Yamashita, Isao Sato, Shosaku Murayama, Tomoko Arai, David Herald, Arika Higuchi
Publikováno v:
Publications of the Astronomical Society of Japan. 75:153-168
We observed a stellar occultation by (3200) Phaethon, which occurred in western Japan on 2021 October 3 (UTC). This observation was requested by the DESTINY+ mission team, which plans to conduct a flyby of asteroid Phaethon in 2028. Overall, this res