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Evaluation of karst collapse risks induced by over-pumping and karst groundwater resource protection in Zaozhuang region,China |
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| Authors: | Keqiang He Yuyue Jia Weigong Chen Ronglu Wang Huilai Luo |
| Institution: | 1. Department of Civil Engineering, Qingdao Technological University, No. 11 Fushun Road, Qingdao, 266033, Shandong, People’s Republic of China 2. Qingdao Technological University, Qingdao, Shandong, People’s Republic of China 3. China Institute of Water Resources and Hydropower Research, Beijing, 100038, People’s Republic of China 4. Shijiazhuang University of Economics, No. 136 Huaian East Road, Shijiazhuang, 050031, Hebei, People’s Republic of China |
| Abstract: | Based on the comprehensive analysis of factors influencing karst collapse in the Zaozhuang Shili Spring Area, China, this paper establishes a karst collapse risk evaluation model by means of the fuzzy comprehensive evaluation method. Application of the model led to division of the study area into very high risk area, high risk area, average risk area and low risk area; therefore, the karst collapse risk evaluation map of Zaozhuang Shili Spring Area is completed. As preventive measures of karst collapse, the different karst water resource protection areas of Zaozhuang Shili Spring Area are established, and the map for karst water resource protection area of Zaozhuang Shili Spring Area is compiled. The results will be helpful for the strategic planning and decision-making processes associated with exploitation of karst water resources and with prevention and control of karst collapse hazards of this region. |
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