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夏季亚洲季风槽的断裂过程及其结构特征
引用本文:朱乾根,吴洪,谢立安.夏季亚洲季风槽的断裂过程及其结构特征[J].热带气象学报,1987(1):1-8.
作者姓名:朱乾根  吴洪  谢立安
作者单位:南京气象学院 (朱乾根,吴洪),南京气象学院(谢立安)
摘    要:本文分析了1982年7月一次亚洲季风槽的断裂过程。结果发现,在盛夏亚洲季风盛行期间,中南半岛与南海地区的季风槽可在西太平洋副热带高压东退与孟加拉湾季风低压的西移过程中断裂消失。与此同时,热带西南季风北进,梅雨雨带北移,雨景加大。此外,根据季风区内纬向风的垂直结构,说明了下列事实的成因:在印度和中南半岛季风槽附近及其南侧广大地区内,经常出现大量的季风云团和季风低压;而在西太平洋季风槽的北侧及槽的附近,则经常产生强的热带气旋和台风螺旋云系;南海地区的状况介于以上两者之间,在这里可以有弱的台风生成,也可以有季风云团存在。

收稿时间:2/1/1986 12:00:00 AM
修稿时间:6/3/1986 12:00:00 AM

THE BREAKDOWN PROCESS AND STRUCTURE CHARACTERISTICS OF THE MONSOON TROUGH OVER ASIA IN SUMMER
Zhu Qian-gen,Wu Hong and Xie Li-an.THE BREAKDOWN PROCESS AND STRUCTURE CHARACTERISTICS OF THE MONSOON TROUGH OVER ASIA IN SUMMER[J].Journal of Tropical Meteorology,1987(1):1-8.
Authors:Zhu Qian-gen  Wu Hong and Xie Li-an
Institution:Nanjing Institute of Meteorology;Nanjing Institute of Meteorology;Nanjing Institute of Meteorology
Abstract:A breakdown process and structure characteristics of the monsoon trough over Asia in July 1982 was discussed in this paper. It is found that during the period of the monsoon prevailing over Asia in the summer, when the subtropical high in the western Pacific moves eastward and the monsoon depression which originated in the Bey of Bengal travels westward, the monsoon trough in the region of Iudo-china Peninsula and South China Sea may be broken. So the monsoonal southwes-terlies in the tropics flow northward and the band of the plum rairs shifts northward. The rainfall increases. According to the vertical structure of the zonal wind in the monsoon area, we may interpret the reason of the following fact:a large amount of the monsoon cloud clusters or the monsoon depression develop frequently in the vicinity and the southern extensive area to the monsoon trough over India and ludo-china Peninsula The.strong tropical cyclones or the solenoidial cloud systems of the typhoon often occur in the vicinity of and the northern region to the monsoon trough over the western Pacific The conditions in the region of the South China Sea are intermediate Sometimes the weak typhoon may |originate here. Sometimes there is a great deal of the monaoon cloud duster in the area.
Keywords:
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