{"title":"基于 SPI 指数的贵州省气象干旱时空演变分析","authors":"袁 伟韬","doi":"10.36012/etr.v2i12.3059","DOIUrl":"https://doi.org/10.36012/etr.v2i12.3059","url":null,"abstract":"本文以标准化降水指数为气象干旱指标,利用 1960-2016 年逐日的降水数据对贵州省的干旱强度和干旱频率进行特征分析。研究发现:1960-2016 年以来贵州省干旱发生频率整体呈下降趋势,且各地分布不平衡。贵州省以春夏两季干旱较为严重,秋季次之,冬季最弱;气象干旱强度空间分布特征与降雨空间分布特征具有一致性,呈“北多南少,西多东少”。","PeriodicalId":57110,"journal":{"name":"工程技术研究","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89418524","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