长治市近54年降水时空变化特征分析

Precipitation Variation in Changzhi City Nearly 54 Years Analysis

采用长治市11个气象站1960—2013的降水量系列数据,运用一元线性回归、线性倾向估计、5年滑动平均等统计方法,分析了长治市近54年降水量年变化、年际及各年代际的年平均降水量、各季降水量,降水日数及大雨以上降水日数的演变特征。

Changzhi City 11 weather stations 1960-2013 precipitation series data, using linear regression, linear trend estimated five-year moving average and other statistical methods to analyze the changes in Changzhi City, nearly 54 years of annual precipitation, interannual and the annual average rainfall each decadal, and each season precipitation, the evolution of the number of features and heavy precipitation days or more days of precipitation.