现代农业科技Issue(22)：227-228,237,3.
夏津县降水量变化特征分析
Analysis on Variation Characteristics of Precipitation in Xiajin County
孟凡辉 1姚登广1
作者信息
- 1. 山东省夏津县气象局，山东夏津 253200
- 折叠
摘要
Abstract
Based on the meteorological bureau artificial rainfall observation datas of Xiajin County from 1961 to 2010,the variation characteristics of the precipitation amount of the year,season,month and sudden change were analyzed. The results showed that there was a decreasing trend of the precipitation in nearly 50 years. The variation of the precipitation was unstable,decrease rate was-2.3 mm/a. The most obvious trend of decreasing appeared in July and August. The annual precipitation amount mutation analysis was carried out based on cumulative anomaly curve .The results showed that the annual precipitation suddenly changed in 1977.关键词
降水量/变化特征/突变分析/山东夏津Key words
precipitation/change characteristics/mutation analysis/Xiajin Shandong分类
农业科技引用本文复制引用
孟凡辉,姚登广..夏津县降水量变化特征分析[J].现代农业科技,2013,(22):227-228,237,3.
