Year-to-year changes of spatial distribution of evaporation over the Asia-Eurasia continent, and its relation to environmental factors

2008 Fiscal Year Final Research Report

• Project/Area Number: 17310004
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: University of Tsukuba
• Principal Investigator: SUGITA Michiaki University of Tsukuba, 大学院・生命環境科学研究科, 教授 (80235887)
• Project Period (FY): 2005 – 2008
• Keywords: 蒸発量 / アジア・ユーラシア / モンゴル

Research Abstract

本研究はアジア・ユーラシア地域の蒸発散量の推定モデルの検証と改良を行った上で10年間の蒸発量の変化を明らかにし,その地域差,変化要因を調べた. 全体としてこの地域では蒸発散量の変化は年々の増減が大きいが, 地域的に見ると有意なトレンドがあるのが, 東南アジア南部,中国北東部などでいずれも減少傾向にあった. これらの変化を起こす要因は地域ごとに異なっており, 単一のメカニズムによるものではないことが示唆された.

Research Products

• [Journal Article] Recent low-flow and groundwater storage changes in upland watersheds of the Kanto region, Japan (2009)
  • Author(s): Sugita, M. and Brutsaert, W
  • Journal Title: Journal of Hydrologic Engineering 14 Pages: 280-285 doi : 10.1061/(ASCE)1084-0699(2009)14 : 3(280)
  • Peer Reviewed
• [Journal Article] Is Mongolia's groundwater increasing or decreasing? The case of the Kherlen River Basin (2008)
  • Author(s): Brutsaert, W. and Sugita, M
  • Journal Title: Hydrologic Sciences Journal 53 Pages: 1221-1291 doi : 10.1623/hysj.53.6.1221
  • Peer Reviewed
• [Journal Article] Rangelands Atmosphere-Hydrosphere-Biosphere Interaction Study Experiment in Northeastern Asian (RAISE) Database (2008)
  • Author(s): Sugita, M., Asanuma, J., Tsujimura, M., Mariko, S., Lu, M., Kimura, F., Azzaya, D., and Adyasuren, T
  • Journal Title: Tsukuba Geoenvironmetal Sciences 4 Pages: 9-15
• [Journal Article] Response of gross ecosystem productivity, light use efficiency and water use efficiency of Mongolian steppe to seasonal variations in soil moisture (2008)
  • Author(s): Li, S.-G., Eugster, W., Asanuma, J., Kotani, A., Davaa, G., Oyunbaatar D. and Sugita, M
  • Journal Title: Journal of Geophysical Research 113 Pages: 01019 doi : 10.1029/2006JG000349
  • Peer Reviewed
• [Journal Article] Water sources in semi-arid Northeast Asia as revealed by field observations and isotope transport model (2007)
  • Author(s): Sato, T., Tsujimura, M., Yamanaka, T., Iwasaki, H., Sugimoto, A., Sugita, M., Kimura, F., Davaa, G. and Oyunbaatar, D
  • Journal Title: Journal of Geophysical Research doi : 10.1029/2006JD008321 Pages: 112
  • Peer Reviewed
• [Journal Article] Temporal variation of δ13C of larch leaves from a montane boreal forest in Mongolia (2007)
  • Author(s): Li, S., Tsujimura, M., Sugimoto, A., Davaa, G., Oyunbaatar, D., Sugita, M
  • Journal Title: Trees Structure and Function 21, 4 Pages: 479-490
  • Peer Reviewed
• [Journal Article] An Overview of the Rangelands Atmosphere-Hydrosphere-Biosphere Interaction Study Experiment in Northeastern Asia (RAISE) (2007)
  • Author(s): Sugita, M., Asanuma, J., Mariko, S., Tsujimura, M., Kimura, F., Lu, M., Azzaya D. and Adyasuren Ts
  • Journal Title: Journal of Hydrology 333, 1 Pages: 3-20
  • Peer Reviewed
• [Journal Article] Variance methods to estimate regional heat fluxes with aircraft measurements in the convective boundary layer (2007)
  • Author(s): Kotani, A. and Sugita, M
  • Journal Title: Journal of Hydrology 333, 1 Pages: 68-85
  • Peer Reviewed
• [Presentation] Simulation of ecohydrological controls on carbon and hydrologic cycle in semiarid area (2008)
  • Author(s): Byambakhuu Ishgaldan・杉田倫明
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張
  • Year and Date: 2008-05-29
• [Presentation] モンゴル半乾燥地における夜間地表面フラックスの特性 (2008)
  • Author(s): 阪口かなえ・杉田倫明
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張
  • Year and Date: 2008-05-29
• [Presentation] モンゴルの半乾燥草原地域において放牧が炭素動態に与える影響 (2008)
  • Author(s): 吉井英治・杉田倫明
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張
  • Year and Date: 2008-05-29
• [Presentation] 東アジア広領域における陸域蒸発量の経年変化とその環境要因の解明 (2008)
  • Author(s): 後藤優・杉田倫明
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張
  • Year and Date: 2008-05-29
• [Book] 水文科学 (2009)
  • Author(s): 杉田倫明・田中正
  • Total Pages: 275
  • Publisher: 共立出版
• [Book] 水文学 (2008)
  • Author(s): 杉田倫明
  • Total Pages: 502
  • Publisher: 共立出版