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Temporal and Spatial Characteristics of the Extreme Drought and Wet Events Changes in Hexi Area from 1960 to 2009
CAO Li-guo, PAN Shao-ming, JIA Pei-hong, ZHUOMA Lan-cao, ZHAO Yi-fei, ZHANG Ke-xin, ZHANG Wei
JOURNAL OF NATURAL RESOURCES . 2014, (3): 480 -489 .  DOI: 10.11849/zrzyxb.2014.03.011