摘要
钱塘江流域经常遭受暴雨洪水侵袭。本文根据大量的历史资料和实测资料,分析总结了钱塘江流域的主要暴雨洪水特性,对流域内防洪治涝具有重要意义。
According to the analysis of a great number of historical and measuring data, the characteristics of torrential rain and flood in the Qiantangjiang basin are revealed as follows: (1) The torrential synoptic systems principally consist of plum rain front and tropical cyclon; (2) Torrential rain is mainly concentrated in summer and autumn during the months from May to June and from August to September; (3) The maximum rainfall is lower than that recorded in China or abroad, and its distribution closely relates to topography; (4) The flood duration is momentary with the flood level rapidly rises and falls, and the flood varies every year; (5) The flood damages in the Lanjiang and Xin'anjiang Rivers are the worst of the area; (6) The flood years are more concentrated, and their periods are not identical.
出处
《热带地理》
北大核心
1992年第4期344-350,共7页
Tropical Geography
关键词
暴雨
洪水
流域
钱塘江
The Qiantangjiang basin
Torrential rain and flood
Flood control
