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Seasonal differences in the land-atmosphere coupling over South Asia simulated using a regional climate mode
http://hdl.handle.net/10748/00011629
http://hdl.handle.net/10748/000116292fe0ab20-77a9-4bfb-a85f-a0764f2f9818
名前 / ファイル | ライセンス | アクション |
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20005-055-003.pdf (3.9 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2020-03-30 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Seasonal differences in the land-atmosphere coupling over South Asia simulated using a regional climate mode | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | land-atmosphere coupling | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | land surface model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | monsoon | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | pre-monsoon | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | regional climate model | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
Konduru, Rakesh Teja
× Konduru, Rakesh Teja× Takahashi Hiroshi G. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This study investigates land-atmosphere coupling over South Asia during the premonsoon and monsoon seasons. We conducted three ensemble simulations using the Weather Research and Forecasting (WRF) model (version 3.8.1) as a regional climate model (RCM) coupled with the Noah land surface model (LSM). The default WRF configuration overestimates the roughness length for heat over short vegetation and underestimates the same metric over tall vegetation, leading to a larger sensible heat flux over all South Asia in both aforementioned seasons. This overestimated (underestimated) the strength of the landatmosphere coupling over larger (smaller) sensible heat flux regions. Dynamically updating the roughness length for heat as a function of canopy height in the LSM results in an error reduction for this variable for different vegetation types. This leads to weaker landatmosphere coupling for certain regions, resulting in a lower sensible heat flux, in both the pre-monsoon and monsoon seasons. This reduction of sensible heating affects the formation of convection over those regions. | |||||
書誌情報 |
Geographical reports of Tokyo Metropolitan University 巻 55, p. 23-34, 発行日 2020 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 03868710 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00200173 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | Department of Geography, Tokyo Metropolitan University | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | postprint |