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Drought is one of the major agricultural and meteorological disasters in China that occurs at high frequency, affects wide areas, and causes considerable agricultural loss. Research on the long-term spatiotemporal variability of arid climate and drought area in the context of global climate change is important and practically significant to the intention to cope with drought. Standardized precipitation...
Based on the regionalizing zones, districts, and the regions in western China, this paper elaborates the main characteristics and the problems of every eco-economic zones, districts, and regions, which are all based on the GIS analyst and the comprehensive geographical statistic analyzing, we list the main indexes used in the regionalizing and the results to show the main character of each region,...
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