Seasonal variation of land-atmosphere coupling strength over the West African monsoon region in an atmospheric general circulation model

Yamada, Tomohito J.; Kanae, Shinjiro; Oki, Taikan; Koster, Randal D.

Seasonal variation of land-atmosphere coupling strength over the West African monsoon region in an atmospheric general circulation model

Yamada, Tomohito J.; Kanae, Shinjiro; Oki, Taikan et al.

Hydrological Sciences Journal - Journal des Sciences Hydrologiques, 2013, 58(6), 1276-1286

Permalink : https://hdl.handle.net/2115/57246

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論文情報

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アクセス権	open access
URI	https://hdl.handle.net/2115/57246
タイトル	Seasonal variation of land-atmosphere coupling strength over the West African monsoon region in an atmospheric general circulation model
著者	Yamada, Tomohito J. ; Kanae, Shinjiro ; Oki, Taikan ; Koster, Randal D.
e-Rad_Researcher 10554959 著者名 Yamada, Tomohito J.
著者名 Kanae, Shinjiro
著者名 Oki, Taikan
著者名 Koster, Randal D.
言語	英語
キーワード	land-atmosphere interactions
	coupling strength
	West African monsoon
	soil moisture
	evapotranspiration
	AGCM
発行日	2013-08-01
出版者	Taylor & Francis
収録物名	Hydrological Sciences Journal - Journal des Sciences Hydrologiques
巻(号)	58(6)
ページ	1276-1286
抄録	The seasonal variation of land-atmosphere coupling strength has been examined using an extended series of atmospheric general circulation model (AGCM) simulations. In the Western Sahel of Africa, strong coupling strength for precipitation is found in April and May, just prior to and at the beginning of the monsoon season. At this time, heat and water fluxes from the surface are strongly controlled by land conditions, and the unstable conditions in the lower level of the troposphere, as induced by local land state, allow the surface fluxes to influence the variability of convective precipitationand thus the timing of monsoon onset.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The Version of Record of this manuscript has been published and is available in Hydrological Sciences Journal 58(6), 2013.8.1, http://www.tandfonline.com/ DOI:10.1080/02626667.2013.814914.
PISSN	0262-6667
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1080/02626667.2013.814914