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张永瑞,张岳军,靳泽辉,康喜. 基于SPEI指数的黄土高原夏季干旱时空特征分析[J]. 生态环境学报, 2019, 28(7): 1322-1331.
ZHANG Yongrui,ZHANG Yuejun,JIN Zehui,KANG Xi. The Temporal and Spatial Characteristics of Summer Drought in the Loess Plateau Based on SPEI[J]. Ecology and Environmental Sciences, 2019, 28(7): 1322-1331.