Numerical simulations of land surface physical processes and land-atmosphere interactions over oasis-desert/Gobi region

查看全文 作　　者：LIU [1,2]ShuHua;LIU [1,2]HePing;HU [1,2]Yu;ZHANG [2]ChengYi;LIANG [1,2]FuMing;WANG [1,2]JianHua

机构地区：[1]Department of Atmospheric Sciences,School of Physics,Peking University,Beijing 100871,China;[2]Laboratory of Climate Research,National Climatic Center,China Meteorological Administration,Beijing 100081,China

出　　处：《Science China Earth Sciences》索引2007年第50卷第2期,共6页

基　　金：Supported by the Climate Change Special program of China Meteorological Bureau (Grant No. CCSF-2005-2-QH29; CCSF2006-38);the Research Fund for the Doctoral Program of Higher Education (Grant No. 20050001030) ;the National Natural Science Foundation of China (Grant No. 4025004) 摘　　要：A land-surface physical process model was coupled with a mesoscale atmospheric model. This cou- pled model was then used to simulate the interactions between land and the atmosphere, including surface temperature, net radiation, sensible heat flux and latent heat flux over a desert/Gobi with an oasis in northwestern semiarid regions in China. Comparisons between observations and simulations were made over the oasis and the desert/Gobi, respectively. Both cold island effect and wet island ef- fect, the so-called oasis effect, were observed and simulated. Lower temperature, higher specific hu- midity and weaker turbulent transfer were present over the oasis than the desert/Gobi. A subsidence occurred over the oasis, leading to a thermally-generated mesoscale circulation. 关键词：desert/Gobi and OASIS land surface physical process land-atmosphere INTERACTIONS OASIS effect numerical simulation

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Numerical simulations of land surface physical processes and land-atmosphere interactions over oasis-desert/Gobi region

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