渭河上游地区年降水量系列代表性和多年变化分析

Analysis on Annual Rainfall Series Representativeness and Years' Changes of Weihe River Upstream Region

摘要: 以天水、甘谷、首阳、新店子、申都5个雨量站为代表站，采用数理统计法对天水站1935～2014年，甘谷、首阳、新店子、申都1952～2014年系列年降水量的系列代表性进行了分析，并对各代表站长短系列降水量的多年变化过程进行了探讨。

Abstract: It takes tianshui，gangu，shouyang，xindianzi and shendu five rainfall stations as representative stations，analyzes the series representativeness of annual rainfall of Tianshui Station from 1935-2014 and tianshui，gangu，shouyang，xindianzi and shendu from 1952-2014with the use of mathematical statistics.It also discusses many years' changing process of each representative station rainfall.