K
Kiyotoshi Takahashi
Researcher at Japan Meteorological Agency
Publications - 11
Citations - 6015
Kiyotoshi Takahashi is an academic researcher from Japan Meteorological Agency. The author has contributed to research in topics: Meteorological reanalysis & Precipitation. The author has an hindex of 8, co-authored 11 publications receiving 4906 citations.
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Journal ArticleDOI
The JRA-55 Reanalysis: General Specifications and Basic Characteristics
Shinya Kobayashi,Yukinari Ota,Yayoi Harada,Ayataka Ebita,Masami Moriya,Hirokatsu Onoda,Kazutoshi Onogi,Hirotaka Kamahori,Chiaki Kobayashi,Hirokazu Endo,Kengo Miyaoka,Kiyotoshi Takahashi +11 more
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The JRA-25 Reanalysis
Kazutoshi Onogi,Junichi Tsutsui,Hiroshi Koide,Masami Sakamoto,Shinya Kobayashi,Hiroaki Hatsushika,Takanori Matsumoto,Nobuo Yamazaki,Hirotaka Kamahori,Kiyotoshi Takahashi,Shinji Kadokura,Koji Wada,Koji Kato,Ryo Oyama,Tomoaki Ose,Nobutaka Mannoji,Ryusuke Taira +16 more
TL;DR: A long-term global atmospheric reanalysis, named "Japanese 25-year Reanalysis (JRA-25) was completed using the Japan Meteorological Agency (JMA) numerical assimilation and forecast system.
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The Japanese 55-year Reanalysis "JRA-55": An Interim Report
Ayataka Ebita,Shinya Kobayashi,Yukinari Ota,Masami Moriya,Ryoji Kumabe,Kazutoshi Onogi,Yayoi Harada,Soichiro Yasui,Kengo Miyaoka,Kiyotoshi Takahashi,Hirotaka Kamahori,Chiaki Kobayashi,Hirokazu Endo,Motomu Soma,Yoshinori Oikawa,Takahisa Ishimizu +15 more
TL;DR: The Japanese 55-year reanalysis (JRA-55) as mentioned in this paper is the second Japanese global atmospheric reanalysis project, which covers 55 years, extending back to 1958, when the global radiosonde observing system was established.
Journal ArticleDOI
The JRA-55 Reanalysis: Representation of Atmospheric Circulation and Climate Variability
Yayoi Harada,Hirotaka Kamahori,Chiaki Kobayashi,Hirokazu Endo,Shinya Kobayashi,Yukinari Ota,Hirokatsu Onoda,Kazutoshi Onogi,Kengo Miyaoka,Kiyotoshi Takahashi +9 more
TL;DR: In this paper, the quality of the Japanese 55-year reanalysis (JRA-55) was investigated by comparing it with other reanalyses and observational datasets, and the results indicated that JRA55 generally improved the representations of phenomena on a wide range of space-time scales, such as equatorial waves, and transient eddies in the storm track regions.
Journal ArticleDOI
JRA‐25: Japanese 25‐year re‐analysis project—progress and status
Kazutoshi Onogi,Hiroshi Koide,Masami Sakamoto,Shinya Kobayashi,Junichi Tsutsui,Hiroaki Hatsushika,Takanori Matsumoto,Nobuo Yamazaki,Hirotaka Kamahori,Kiyotoshi Takahashi,Koji Kato,Ryo Oyama,Tomoaki Ose,Shinji Kadokura,Koji Wada +14 more
TL;DR: The progress and status of a new atmospheric re-analysis, JRA-25 the Japanese 25-year Re-analysis which covers the 26 years from 1979 to 2004, are introduced as discussed by the authors.