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SIMULATION OF PRESENT CLIMATE OVER EAST ASIA BY A REGIONAL CLIMATE MODEL |
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| Authors: | ZHANG Dong-feng GAO Xue-jie OUYANG Li-cheng DONG Wen-jie |
| Institution: | 1. National Climate Center, Beijing, 100081 China;Shanxi Meteorological Bureau, Taiyuan, 030006 China 2. National Climate Center, Beijing, 100081 China 3. Guangzhou International Specialized Weather Services, 510080 China 4. Beijing Normal University, Beijing, 100875 China |
| Abstract: | A 15-year simulation of climate over East Asia is conducted with the latest version of a regional climate model RegCM3 nested in one-way mode to the ERA40 Re-analysis data. The performance of themodel in simulating present climate over East Asia and China is investigated. Results show that RegCM3 can reproduce well the atmospheric circulation over East Asia. The simulation of the main distribution patterns of surface air temperature and precipitation over China and their seasonal cycle/evolution, are basically agree with that of the observation. Meanwhile a general cold bias is found in the simulation. AS for the precipitation, the model tends to overestimate the precipitation in northern China while underestimate it in southern China, particularly in winter. In general, the model has better performance in simulating temperature than precipitation. |
| Keywords: | regional climate model climate simulation evaluation East Asia region China |
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