基于SPEI指数的西北地区春旱时空分布特征
陈斐，杨沈斌，王春玲，王润元，王鹤龄，齐月
Spatial and Temporal Distribution of Spring Drought in Northwest China Based on Standardized Precipitation Evapotranspiration Index
CHEN Fei，YANG Shenbin，WANG Chunling，WANG Runyuan，WANG Heling， QI Yue
干旱气象
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2016, (1): 34
-42
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DOI: 10.11755/j.issn.1006-7639（2016）-01-0034