{"title":"1969~2018年衢州站降水变化特征分析","authors":"如沙 王, 鹏程 李","doi":"10.32629/hwr.v4i9.3329","DOIUrl":"https://doi.org/10.32629/hwr.v4i9.3329","url":null,"abstract":"论文根据1969—2018年衢州站的降雨资料,采用了Mann-Kendall趋势检验法和小波分析法等方法对衢州站51年的降雨年际年内变化情况进行分析。结果表明:该站年降水量具有显著的年代际差异及明显的丰枯变化,基本上经历了4个丰枯演变阶段,且未来几年降水量还有可能继续增多,过后才可能出现减少的趋势;年内降水量主要集中在汛期,尤其8月降水比重呈显著上升趋势,且冬季降水量呈上升趋势;年内极值降水量呈不显著上升趋势,与年降水量的丰枯周期性变化基本一致,此外极值降水量的历年最大值与衢州典型大洪水对应的降水过程密切相关。由此可见,未来衢州站的年降雨及极值降雨仍将继续增多,这将会对今后几年的衢江防汛工作产生重大的压力,需要防汛工作者持续关注。","PeriodicalId":69978,"journal":{"name":"广西水利水电","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91155980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1