Mass exchange between stratosphere and trotosphere over the Tibetan Plateau and its surroundings

查看全文 作　　者：Chunhua [1]Cong;Weiliang [1]Li;Xiuji [1]Zhou

机构地区：[1]Chinese Acad Meteorol Sci, Beijing 100081, Peoples R China

出　　处：《Chinese Science Bulletin》索引2002年第47卷第6期,共5页

摘　　要：Using NCEP dataset we calculate the exchange of mass across the thermal tropopause by the Wei’s method from 1978 to 1997 over the Tibetan Plateau and its surroundings. We also calculate the annual variation of aerosol and ozone of 100 hPa level with the monthly SAGE dataset from July 1988 to December 1993. Results indicate that (i) the mass from troposphere to stratosphere is magistral station in summer over the Tibetan Plateau and its surroundings. The air transport reaches the summit in midsummer with two large value centers, which lie in the north of Bengal Bay and southeastern Tibetan Plateau, respectively. A large value center, which lies over the Tibetan Plateau, is smaller than that aforementioned. In winter, the mass transport is from stratosphere to troposphere, and reaches the minimum in January. (ii) As far as the 19-year mean cross-tropopause mass exchange from June to September is concerned, the net mass transport is 14.84×l018 kg from troposphere to stratosphere. So the area from the 关键词：Wei’s method TIBETAN Plateau TROPOPAUSE MASS ex-change.

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Mass exchange between stratosphere and trotosphere over the Tibetan Plateau and its surroundings

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