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基于 SPI 指数的贵州省气象干旱时空演变分析
Author(s) -
伟韬 袁
Publication year - 2020
Publication title -
工程技术研究
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2661-4359
pISSN - 2661-4340
DOI - 10.36012/etr.v2i12.3059
Subject(s) - chemistry
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”。

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