Development of the Isotope Regional Model and It's Application to a Typhoon

• Project/Area Number: 18740302
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Meteorology/Physical oceanography/Hydrology
• Research Institution: Kumamoto University (2008); Japan Agency for Marine-Earth Science and Technology (2006-2007)
• Principal Investigator: ICHIYANAGI Kimpei Kumamoto University, 大学院・自然科学研究科, 准教授 (50371737)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,770,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000); Fiscal Year 2006: ¥1,600,000 (Direct Cost: ¥1,600,000)
• Keywords: 気象 / 水安定同位体組成 / 領域気候モデル / 台風 / 降水 / 水蒸気

Research Abstract

沖縄県石垣島において,2つの大きな台風(T0613とT0813)の降水と水蒸気の安定同位体の詳細な観測に世界で初めて成功した.これら同位体比の短時間変動より,台風の壁雲の外側と内側では水蒸気の起源が大きく異なることを明らかにした.また,同位体領域モデル(Iso-RSM)によりT0613の同位体比変動の再現に成功したが,d-excessは再現できなかった.これは海水飛沫の影響が大きいためと推定できる.

Research Products

• [Journal Article] 東アジアにおける降水d-excess季節変動に関する再考察 (2009)
  • Author(s): 芳村圭・一柳錦平
  • Journal Title: 水文・水資源学会誌 (掲載決定)
  • NAID: 10025316634
  • Peer Reviewed
• [Journal Article] 東アジアにおける降水d-excess季節変動に関する再考察 (2009)
  • Author(s): 芳村圭
  • Journal Title: 水文・水資源学会誌 (受理)(印刷中)
  • Peer Reviewed
• [Journal Article] Characteristics of stable isotopes in rainfall and stream water in Ishigaki Island, southern part of Japan (2009)
  • Author(s): Kimpei Ichiyanagi
  • Journal Title: Proceedings of the XXXVI International Asso ciation of Hydrogeologists Congress A283 Pages: 1-6
• [Journal Article] 石垣島における2つの台風(TO613とTO813)の降水および水蒸気の安定同位体観測について (2009)
  • Author(s): 一柳錦平
  • Journal Title: 台風研究会2008報告書 Pages: 36-41
• [Journal Article] Isotope ratios of precipitation and water vapor observed in Typhoon Shanshan(doi:10.1029/2007JD009313) (2008)
  • Author(s): Fudeyasu, H., K. Ichiyanagi, A. Sugimoto, K Yoshimura, A. Ueta, M. D. Yamanaka, and K. Ozawa
  • Journal Title: J. Geophys. Res 113
  • Peer Reviewed
• [Journal Article] Isotope Ratios of Precipitation and Water Vapor observed in Typhoon Shanshan (2008)
  • Author(s): Fudeyasu, H.
  • Journal Title: Journal of Geophysical Research-Atmosphere (印刷中)
  • Peer Reviewed
• [Presentation] Isotope ratios of precipitation and water vapor observed in Typhoon Shanshan (2008)
  • Author(s): Kimpei Ichiyanagi, Hironori Fudeyasu, and Kei Yoshimura
  • Organizer: Third International Workshop on High-Resolution and Cloud Modeling-Tropical Cyclones and Climate
  • Place of Presentation: The University of Hawaii, Honolulu
• [Presentation] Characteristics of stable isotopes in rainfall and stream water in Ishigaki Island, Japan (2008)
  • Author(s): Kimpei Ichiyanagi, Yoshiko Iizumi, and Kiyoshi Ozawa
  • Organizer: XXXVI International Association of Hydrogeologists (IAH) Congress
  • Place of Presentation: Toyama International Conference Center
• [Presentation] 台風の同位体観測一台風を呼ぶ男 (2008)
  • Author(s): 一柳錦平
  • Organizer: 台風研究会
  • Place of Presentation: 京都大学
• [Presentation] Isotope ratios of precipitation and water vapor observed in Ty phoon Shanshan (2008)
  • Author(s): Kimpei Ichiyanagi
  • Organizer: Third International Workshop on High-Resolt tion and Cloud Modeling-Tropical Cyclone and Climate
  • Place of Presentation: ハワイ大学
• [Presentation] Characteristics of stable isotopes in rainfall and stream water in Ishigaki Island, Japan (2008)
  • Author(s): Kimpei Ichiyanagi
  • Organizer: XXXVI International Association of Hydrogeo logists Congress
  • Place of Presentation: 富山国際会議センター
• [Presentation] Stable isotopes of rain and water vapor in Typhoon Shanshan (2006) observed in Ishigaki Island,Japan. (2007)
  • Author(s): K. Ichiyanagi
  • Organizer: Asia Oceania Geosciences Society (AOGS) 4th Annual Meeting, Bangkok, Thailand.
  • Place of Presentation: Queen Sirikit National Convention Center Thaiand
  • Year and Date: 2007-08-02
• [Presentation] Stable isotopes of rain and water vapor in Typhoon Shanshan(2006) observed in Ishigaki Island, Japan (2007)
  • Author(s): Kimpei Ichiyanagi, Hironori Fudeyasu, Atsuko Sugimoto, Akihiro Ueta
  • Organizer: Asia Oceania Geosciences Society(AOGS) 4nd Annual Meeting
  • Place of Presentation: Bangkok, Thailand
• [Presentation] Isotope ratios of rainfall and water vapor observed in Typhoon Shanshan (2007)
  • Author(s): Fudeyasu Hironori, Kimpei Ichiynagi, Atsuko Sugimoto, Akihiro Ueta, Kei Yoshimura, Manabu D. Yamanaka
  • Organizer: The XXIV IUGG General Assembly
  • Place of Presentation: Perugia, Italy