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An improvement on summer regional climate simulation over East China: importance of data assimilation of soil moisture |
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| Authors: | Hu YaMin Ding YiHui Liao Fei |
| Institution: | 1 Institute of Tropical and Marine Meteorology, China Meteorological Administration, Guangzhou 510080, China; 2 Guangdong Climate Center, Guangzhou 510080, China; 3 Chinese Academy of Meteorological Sciences, Beijing 100081, China; 4 National Climate Center, China Meteorological Administration, Beijing 100081, China |
| Abstract: | The Newtonian relaxation is used to assimilate data from the Second Global Soil Wetness Project (GSWP2) into the initial field for soil moisture in a regional climate model (i.e., BCC_RegCM 1.0, hereinafter called RegCM). The results show that different nudging parameters can improve the simulation of the air temperature and the precipitation to some extent in summertime season over East China. When the nudging intensity is 0.5 and nudging duration is 5 days, the result is desirable. Introducing the data as... |
| Keywords: | soil moisture Newtonian relaxation data assimilation regional climate simulation |
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