β中尺度对流系统的触发机制(英文)

被引:10
作者
彭加毅
伍荣生
王元
机构
关键词
β中尺度对流系统; 低空急流; 重力波;
D O I
暂无
中图分类号
P458.2 [中小尺度天气分析];
学科分类号
0706 ; 070601 ;
摘要
利用MM5 V3.4模式再现了“98.7”武汉及其临近地区β中尺度对流系统的时空4维结构,在此基础上讨论β中尺度对流系统的触发机制。应用位涡反演理论对比分析对流层上层,中层及上层位涡扰动对β中尺度对流系统形成的作用,得出对流层下层位涡扰动为该β中尺度对流系统爆发的主要因子,进而分析指出,在大气为条件性不稳定层结情况下,西南低空急流与重力波相互作用导致β中尺度对流系统的爆发。
引用
收藏
页码:870 / 884
页数:15
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