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DOI: 10.1002/2016GL071518
论文题名:
The impact of a continent's longitudinal extent on tropical precipitation
作者: Maroon E.A.; Frierson D.M.W.
刊名: Geophysical Research Letters
ISSN: 0094-8364
EISSN: 1944-8095
出版年: 2016
卷: 43, 期:22
起始页码: 11921
结束页码: 11929
语种: 英语
英文关键词: climate models ; continents ; Hadley circulation ; tropical precipitation
Scopus关键词: Precipitation (meteorology) ; Tropics ; Comprehensive model ; continents ; General circulation model ; Hadley circulation ; Intertropical convergence zone ; Tropical precipitation ; Zonal variations ; Climate models
英文摘要: We examine how the longitudinal extent of a subtropical continent impacts the distribution of tropical precipitation in two aquaplanet general circulation models. In the simpler model, the addition of land decreases evaporation and precipitation in the hemisphere with the continent, and the precipitation response scales with the continent's extent. In the more comprehensive model, tropical precipitation has zonal variation due to the downstream response of clouds to land. As the continental extent increases, this cloud response weakens and the Intertropical Convergence Zone becomes more zonal and shifts to the continent. The different precipitation responses in the two models indicate the importance of radiative feedbacks in modifying tropical circulation in models. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85004073268&doi=10.1002%2f2016GL071518&partnerID=40&md5=e832290627feead4da01a7cfffdc112b
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9327
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, United States

Recommended Citation:
Maroon E.A.,Frierson D.M.W.. The impact of a continent's longitudinal extent on tropical precipitation[J]. Geophysical Research Letters,2016-01-01,43(22).
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