Oasis Functional Stability Evaluation Based on Multiple Indicators, Northwest China

Oasis Functional Stability Evaluation Based on Multiple Indicators, Northwest China
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This work was supported by the National Key Research and Development Program of China (2017YFC0504301) and the Strategic Priority Research Program of Chinese Academy of Sciences, Pan-Third Pole Environment Study for a Green Silk Road (Pan-TPE).The authors express appreciation to the Lanzhou Information Center, CAS, for providing the social-economical statistic data for free. Many thanks to the reviewers of the manuscript for their pertinent comments and specific revision suggestions.

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    Abstract:

    We produced and analyzed oasis structure information, and evaluated oasis functional stability using the multiple indicators based on Remote Sensing (RS) and Geographical Information System (GIS) in the arid region of China in 2015. The results showed that the oases area was 193,734 km2, accounting for 8.17% of the arid region of China. The spatial difference in the functional stability of oases was obvious. The Beijiang zone had the highest functional stability and was relatively stable state, and the Hexi Corridor-Alashan Plateau zone had the lowest functional stability and was relatively unstable. The functional stability is dominated by production and ecological functions, which have regional differences. Increasing oasis agricultural output, strengthening highway infrastructure construction and paying attention to education will become important ways to improve oasis functional stability. Water resources determine the ecological function, thus affecting the oasis functional stability. The results provide references for the formulation of related policies according to local conditions.

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LI Sen, ZHANG Zhishan, WANG Tao, YAN Changzhen, DU Heqiang.2020. Oasis Functional Stability Evaluation Based on Multiple Indicators, Northwest China[J]. ACTA GEOLOGICA SINICA(English edition),94(3):624~636

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  • 收稿日期:2020-03-20
  • 最后修改日期:2020-04-12
  • 在线发布日期: 2020-06-28
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