浙江台风(热带风暴)灾害的若干特点

对1949-1992年的气象、水文和灾害资料分析,浙江台风灾害具有以下几个特点:1.登陆或严重影响浙江的台风日期与天文大潮期相遇机率高,沿海地区潮灾严重;2.台风大风是浙江沿海城市台风灾害危害的主因之一,且其危害具有连锁反应倾向;3.台风灾害对浙江农业的危害一般是直接和继发性灾害叠加而成的;4.台风灾害区的地理分布具有明显的山脉走向性;5.台风重灾年在年际分布上具有阶段性.

SOME CHARACTERISTICS OF THE TYPHOON DISASTER IN ZHEJIANG PROVINCE

This paper is a study based on the data during 1949-1992.According to the analysis,some characteristics of the typhoon disaster in Zhejiang Province are as follows:1.The probability of the coincidence of the periods in which Zhejiang was severely af-fected by typhoon with the periods in that astronomical spring tide occurred is high.2.In so far as coastal cities in Zhejiang,the gale bringed by typhoon is one of the maincauses of disasters.3.The damagers on the agriculture in Zhejiang Province caused by typhoon are generallycomposed of direct damages and succeeded damages.4.The distribution of typhoon disaster regions is character along the moutains.5. The distribution of the years which have heavy disasters caused by typhoon in Zhejiang Province has a periodical character.