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| Regionalization and assessment of the geological hazard areas in South Jiangsu |
| YU Cheng, GE Weiya, JIA Junyuan, XING Huaixue, LEI Ting, LI Liang |
| Nanjing Geological Survey Center, China Geological Survey, Nanjing 210016, China |
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Abstract South Jiangsu is the most developed region in Jiangsu Province, and also the region with the highest population and urban density in China. Geological hazard is one of the important factors affecting the rapid development of South Jiangsu. The authors adopted the analytic hierarchy process (AHP), and established an assessment system by using importance, harmfulness and vulnerability as indexes to classify geological hazard areas in South Jiangsu. On the basis of regionalization, the authors estimated the influence of social and economic factors on the harmfulness of geological hazard. South Jiangsu was divided into two key prevention and control areas--ground subsidence area and landslide collapse area, and the other areas were general prevention and control areas. The assessment results have great reference for the prevention and control of geological hazard in South Jiangsu.
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Received: 23 June 2019
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2019, Vol. 6 
