MM5模式对区域气候模拟的性能试验

被引:17
作者
刘栋
机构
[1] 中国科学院寒区旱区环境与工程研究所
关键词
MM5; 南方降水; 区域气候模拟;
D O I
暂无
中图分类号
P46 [气候学];
学科分类号
摘要
利用 1998年 6月NCEP资料和 6月 2日 0 0 :0 0地表资料及美国NCAR PENN州的MM5对 1998年 6月我国南方降雨过程进行了气候模拟的性能试验。模拟结果表明 ,MM5基本上可模拟出局地大气环流和区域尺度上的强对流过程造成的雨区、降雨强度和强降水中心位置 ,但模拟的雨量与实际值相差较大 ;模拟值再现了我国夏季降水异常的空间分布特点 ,模式可向区域气候模式发展。但该模式模拟的 1998年 6月副高强度比其实际值的强度更强 ,故导致更多的水汽进入降雨区 ,造成过多的降雨。
引用
收藏
页码:71 / 77
页数:7
相关论文
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