基于SPEI的黄淮地区夏季干旱时空异常特征及成因
安迪，李栋梁，王自强，武艳，吕翔，杨绚
Spatial and Temporal Characteristics of Summer Drought Anomaly and Its Causes Based on SPEI in Huang-Huai Area
AN Di, LI Dongliang, WANG Ziqiang,WU Yan, LV Xiang, YANG Xuan
干旱气象
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2018, (4): 544
-553
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DOI: 10.11755/j.issn.1006-7639（2018）-04-0544