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大气科学  2005 

2001年春季临安地区对流层臭氧异常增加的一次过程分析

DOI: 10.3878/j.issn.1006-9895.2005.02.10

Keywords: 对流层臭氧增加平流层对流层交换副热带急流对流层顶折叠位势涡度

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Abstract:

2001年春季在临安(30.30°N,119.75°E)进行的臭氧垂直探测发现,从3月25到31日有一次明显的臭氧异常增加过程,其中尤以29日和30日对流层上层的臭氧异常增加最具代表性.结合分析地面及高空气象要素演变和高空位势涡度的变化表明,这是一次显著的平流层空气由上向下穿过对流层顶深入对流层的下传过程,此平流层对流层交换过程与冷空气南下的天气过程和副热带急流、极锋急流移动造成的辐合下沉运动有着密切的联系.

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