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大气科学  2003 

区域气候模拟中Betts-Miller对流参数化方案的敏感性试验

DOI: 10.3878/j.issn.1006-9895.2003.03.04

Keywords: Betts-Miller对流参数化方案,区域气候模拟,洪涝

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Abstract:

利用NCARRegCM2气候模式,对Betts-Miller对流参数化方案中影响参考态的几个关键性参数:稳定度参数α、云底和冻结层参考态的饱和气压Δp*和对流调整时间τ进行了敏感性试验,分析这些参数的不同取值对区域气候模拟的影响及意义,并由此提出适合我国东部地区汛期区域气候模拟的Betts-Miller对流参数化方案中较优的关键性参数取值.

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