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池州市区69年降水变化特征和突变分析


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摘 要:基于华东地区安徽省池州市贵池雨量站共计69年的逐月降水资料,采用多种降水变化及突变分析法进行分析研究。结果表明:池州市69年的降水量从整体来看具有非显著性增加的趋势,从年际序列观察可以发现四季中除春季未发生突变,其他季节均有个别年份发生了突变。

关键词:降水量;变化趋势;突变分析

中图分类号:P426.614     文献标志码:A     文章编号:1003-5168(2022)12-0120-04

DOI:10.19968/j.cnki.hnkj.1003-5168.2022.12.025

Variation Characteristics and Catastrophe Analysis of Precipitation in Chizhou City in 69 years

MU Xiuqiong

(Anqing Hydrology and Water Resources Bureau, Anqing 246003,China)

Abstract: Based on the monthly precipitation data of Guichi rainfall station in Chizhou City, Anhui Province in East China for 69 years, a variety of precipitation change and catastrophe analysis methods are used to analyze and study. The results show that the precipitation of Chizhou City in 69 years shows a non significant increase trend from the overall observation. From the interannual sequence observation, it can be found that there is no mutation in the four seasons except spring, and there are mutations in individual years in other seasons.

Keywords: precipitation; change trend; mutation analysis

0 引言

降水量是一定区域内气候特征反映最直接、最重要的因子[1]。(剩余3415字)

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