东台市沿海区域近年来降雨变化趋势探析

Analysis on the trend of rainfall in recent years in the coastal area of Dongtai City

利用东台市堤闸管理处2008~2017年逐日降雨资料,分析了江苏省东台市沿海区域年降雨量、汛期降雨量、暴雨频次以及极值降雨事件的变化趋势特征。利用趋势分析、相关性分析等方法对区域内的降雨变化趋势进行了研究,结果显示区域年降雨量及汛期降雨量呈递增趋势,暴雨频次及极端降雨时间同样呈增加趋势。

Based on the daily rainfall data of Dongtai Embankment and Sluice Management Department from 2008 to 2017,the trends of the yearly rainfall,flood period rainfall,rainstorm frequency and extreme rainfall event were analyzed.Trend analysis and correlation analysis were used to examine the rainfall trend.The result showed that the yearly rainfall and flood period rainfall increased,as well as the rainstorm frequency and extreme rainfall events increased.