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区域气候模拟中多种对流参数化方案的比较研究
引用本文:潘劲松,翟国庆,高坤.区域气候模拟中多种对流参数化方案的比较研究[J].大气科学,2002,26(2):206-220.
作者姓名:潘劲松  翟国庆  高坤
作者单位:1.浙工省气象台,杭州310017
基金项目:国家"九五"重中之重科技项目"我国短期气候预测系统研究"96-908-02-04-3子专题资助
摘    要:利用区域气候模式RegCM2,选择Betts-Miller、Kuo-Anthes和Grell3种积云对流参数化方案,进行了1991年和1994年5~7月2个个例的东亚季风区区域气候模拟试验,重点分析比较了3种参数化方案对降水总量分布、主要降水时段、雨带南北变动和基本气象要素场的模拟能力,并相对实测降水和基本要素的观测分析进行了统计检验.通过对比,发现Betts方案的模拟能力明显优于其他两种方案.

关 键 词:东亚季风    降水    区域气候模式

Comparisons of Three Convection Parameterization Schemes in Regional Climate Simulations
Pan Jinsong,Zhai Guoqing and Gao Kun.Comparisons of Three Convection Parameterization Schemes in Regional Climate Simulations[J].Chinese Journal of Atmospheric Sciences,2002,26(2):206-220.
Authors:Pan Jinsong  Zhai Guoqing and Gao Kun
Abstract:By using Betts-Miller, Kuo-Anthes and Grell cumulus convection parameterization schemes in regional climate model(RegCM2), two regional climate simulation experiments of the sum- mers of 1991 and 1994 in East-Asia monsoon region are completed. We analyse and compare the simulation ability of three parameterization schemes to the distribution of the total rainfall from May to July, the major periods of heavy rainfall, variations of the rain-band location and the fundamental me- teorology element fields, and give out the results of statistical verifications between the simulations and the observations of the rainfall and the fundamental elements. The comparisons indicate that the simulation ability of Betts-Miller scheme is superior to the other two's.
Keywords:East Asia monsoon  precipitation  regional climate model
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