Observational study of atmospheric turbulence related with constituent transportation in equatorial atmosphere

2008 Fiscal Year Final Research Report

• Project/Area Number: 19403008
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 海外学術
• Research Field: Meteorology/Physical oceanography/Hydrology
• Research Institution: Kyoto University
• Principal Investigator: FUKAO Shoichiro Kyoto University, 生存圏研究所, 研究員(学術研究奨励) (30026249)
• Co-Investigator(Kenkyū-buntansha): MAMORU Yamamoto 京都大学, 生存圏研究所, 教授 (20210560) ; HIROYUKI Hashiguchi 京都大学, 生存圏研究所, 准教授 (90293943) ; MASAYUKI Yamamoto 京都大学, 生存圏研究所, 助教 (90346073)
• Co-Investigator(Renkei-kenkyūsha): CHIKAO Nagasawa 首都大学東京, システムデザイン学部, 教授 (80145664) ; TOYOSHI Shimomai 島根大学, 総合理工学部, 助教 (30325039)
• Project Period (FY): 2007 – 2008
• Keywords: 赤道大気レーダー / 大気レーダー / イメージング / ライダー / 乱流 / リモートセンシング / 地球観測 / 国際貢献

Research Abstract

MU レーダーイメージング観測により、慣性重力波をトリガーとして発生したケルビンヘルムホルツ不安定の構造や、乳房雲内部などにおける乱流の微細構造を初めて明確に捉えることに成功した。ついで、MU レーダーで開発された周波数イメージング技術を赤道大気レーダーに適用し、初めて赤道大気における乱流の微細構造を詳細に捉えることができた。ライダー、気象レーダー等との同時観測データの解析を進め雲物理量と乱流量との関係が明らかにされつつある。

Research Products

• [Journal Article] High-resolution observations with MU radar of a KH instability triggered by an inertia-gravity wave in the upper part of a jet stream (2008)
  • Author(s): H. Luce, G. Hassenpflug, M. Yamamoto, S. Fukao and K. Sato
  • Journal Title: J. Atmos. Sci. 65 Pages: 1711-1718
  • Peer Reviewed
• [Journal Article] Description and demonstration of the new Middle and Upper atmosphere Radar imaging system: 1-D, 2-D, and 3-D imaging of troposphere and stratosphere (2008)
  • Author(s): G. Hassenpflug, M. Yamamoto, H. Luce and S. Fukao
  • Journal Title: stratosphere, Radio Science 43 Pages: doi : 10.1029 / 2006RS003603
  • Peer Reviewed
• [Journal Article] Observation of particle fall velocity in cirriform cloud by VHF and millimeter-wave Doppler radars (2008)
  • Author(s): M.K. Yamamoto, Y. Ohno, H. Horie, N. Nishi, H. Okamoto, K. Sato, H. Kumagai, M. Yamamoto, H. Hashiguchi, S. Mori, N.O. Hashiguchi, H. Nagata and S. Fukao
  • Journal Title: J. Geophys. Res. 113 Pages: doi : 10.1029 / 2007JD009125
  • Peer Reviewed
• [Journal Article] Vertical wind observation in the tropical upper troposphere by VHF wind profiler: A case study (2007)
  • Author(s): M.K. Yamamoto, N. Nishi, T. Horinouchi, M. Niwano and S. Fukao
  • Journal Title: Radio Sci 42 Pages: doi : 10.1029 / 2006RS003538
  • Peer Reviewed
• [Journal Article] Recent advances in atmospheric radar study
  • Author(s): S. Fukao
• [Presentation] Radar observations of mammatus clouds and turbulence in three frequency bands (2009)
  • Author(s): 深尾昌一郎・H. Luce・妻鹿友昭・山本真之・山本衛・田尻拓也・中里真久
  • Organizer: 第23回大気圏シンポジウム
  • Place of Presentation: 相模原
  • Year and Date: 2009-02-26
• [Presentation] 1D, 2D, and 3D imaging of atmosphere and ionosphere with the MU radar and the Equatorial Atmosphere Radar (EAR) (2008)
  • Author(s): M. Yamamoto and S. Fukao
  • Organizer: The International Symposium: Fifty Years after IGY-Modern Information Technologies and Earth and Solar Sciences-
  • Place of Presentation: Tsukuba, Japan
  • Year and Date: 2008-11-10
• [Presentation] Recent advances in atmospheric radar studies (2008)
  • Author(s): S. Fukao
  • Organizer: Keynote talk of The International School on Atmospheric-Ionospheric Remote Sounding and Modeling
  • Place of Presentation: Chung-Li, Taiwan
  • Year and Date: 2008-10-06
• [Presentation] MU radar 1D, 2D, and 3D imaging of atmosphere and ionosphere (2008)
  • Author(s): M. Yamamoto, G. Hassenpflug, S. Saito, H. Luce and S. Fukao
  • Organizer: 12th International Symposium on Equatorial Aeronomy
  • Place of Presentation: Crete, Greece
  • Year and Date: 2008-05-18
• [Presentation] MU レーダーによる対流圏界面のケルビンヘルムホルツ不安定の観測 (2008)
  • Author(s): 深尾昌一郎, Hubert Luce, 山本衛, 橋口浩之
  • Organizer: 第22回大気圏シンポジウム
  • Place of Presentation: 相模原
  • Year and Date: 2008-02-28
• [Presentation] Coupling Processes in the Equatorial Atmosphere (CPEA) (2007)
  • Author(s): S. Fukao
  • Organizer: International CAWSES Symposium
  • Place of Presentation: Kyoto
  • Year and Date: 2007-10-25
• [Presentation] Vertical wind observation in the tropical upper troposphere by VHF wind profiler---A case study--- (2007)
  • Author(s): M.K. Yamamoto, T. Horinouchi, M. Niwano, N. Nishi, H. Hashiguchi, M. Yamamoto and S. Fukao
  • Organizer: 33rd International Conference on Radar Meteorology
  • Place of Presentation: Cairns, Australia
  • Year and Date: 2007-08-08
• [Book] 地球環境の心臓赤道大気の鼓動を聴く (2009)
  • Author(s): 深尾昌一郎, 他
  • Total Pages: 186
  • Publisher: クバプロ