摘要
通过对阳山县13个代表雨量站点近50年来的降雨资料分析,发现阳山县的年降雨量年际变化大,降水空间分布不均匀,降雨天数较多,降雨量和降雨天数都呈现逐渐增加的趋势。全年降雨呈现单峰型,降雨主要集中在3-8月。暴雨天数和暴雨强度随时间变化在不断加大。收集到了阳山县极值暴雨发生频率较高的站点,相关部门可对这些区域进行重点防御。
Based on an analysis of the rainfall data out of 13 representative rainfall stations in Yangshan County in recent 50 years, it was found the annual rainfall varies greatly from year to year;the spatial distribution of precipitation is not uniform;there are many rainfall days;both rainfall and rainfall days are increasing gradually. The annual rainfall presents unimodal pattern, and the rainfall mainly concentrates from March to August. The days and intensity of rainstorm increased with time. The stations with high frequency of extreme rainstorm in Yangshan County were collected, and relevant departments can focus on the defense of these areas.
作者
何际斌
HE Ji-bin(QingYuan Hydrology Sub-bureau of Guangdong Province,Qingyuan 511599,China)
出处
《广西水利水电》
2022年第2期25-30,共6页
Guangxi Water Resources & Hydropower Engineering
关键词
降水
特性
趋势
阳山
Rainfall
characteristics
trend
Yangshan
