莲河东丰水文站年降水变化特性分析

Analysis of Annual Precipitation Change Characteristics of Lianhe Dongfeng Hydrology Station

通过对东丰水文站(1952年至2011年)60 a实测降水资料的统计计算,分析了东丰水文站降水量年内分配、年际变化、降水量特征值及周期性变化,了解了东丰水文站降水时空分布特性,并为以后东丰水文站的雨洪分析及防汛抗旱提供了依据。

According to statistical calculations of measured precipitation data of Dongfeng Hydrology Station in 60 years （1952- 2011）, analyzed annual distribution, interannual variation, precipitation eigenvalues and cyclical change of precipitation of Dongfeng Hydrology Station, described the spatial and temporal characteristics of precipitation distribution of Dongfeng Hydrology Station, and provided a basis for analysis of rain flood and flood control and drought relief of Dongfeng Hydrology Station.