热带气旋在东海的活动及其灾害分析

The activity and calamity analysis of tropical cyclone on the East China Sea

本文根据1949～1989年热带气旋历史资料,对影响东海的热带气旋进行了统计分析,结果表明,热带气旋在东海的活动相当频繁,特别是7、8、9三个月;热带气旋逐年出现个数有明显的年际波动和季节性变化;进入东海的热带气旋大致分为七类路径,不同路径的热带气旋对东海沿岸地区造成不同程度的危害,其灾情以具体实例作了阐述。

Based on the historical data of tropical cyclone during 1949-1989, the tropical cyclone affecting the East China Sea are analysed by statistical methods.The results show that activities of tropical cyclone on the East China Sea were very frequency, specially in July, August and September, and there were obvious annual and seasonal fluctuations in the number of the tropical cyclone occured on the East China Sea every year. The tracks of the tropical cyclone enterring the East China Sea were roughly divided into seven types. The tropical cyclone with the different fracks endangered in varying degrees the coastal area of the East China Sea, and the calamity situations were also described with the specific examples.