Evaluation research of water resources shortage risk based on improved information diffusion theory
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DOI:10.7606/j.issn.1000-7601.2014.06.032
Key Words: shortage of water resources  risk assessment  risk grade  information diffusion theory  fuzzy comprehensive evaluation
Author NameAffiliation
DU Xiang-run1,2, FENG Min-quan1, ZHANG Jian-long2 (1.西安理工大学教育部西北水资源与环境生态重点实验室陕西 西安 710048 2.山西省水利建设开发中心山西 太原 030002) 
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Abstract:
      In order to effectively evaluate the risk condition of water resources shortage, using the improved information diffusion theory to determine the risk evaluatiog degrees, selected 23 evaluatiog indexes, based on the fuzzy comprehensive evaluation model, carried out the evaluation research of water resource shortage risk for the Shanxi Province. The results showed that: The risk vectors of Taiyuan, Yangquan, Xinzhou, Jinzhong and whole Shanxi Province were 0.4461、0.5189、0.4258、0.4019 and 0.3685 respectively, the risk grade was third level which belonged medium risk level. The risk vectors of Changzhi and Jincheng were 0.3896 and 0.3914 which belonged lower risk level. The risk vectors of Datong, Shuozhou, Luliang, Linfen and Yuncheng were 0.4818、0.4865、0.4576、0.4082 and 0.4597 respectively, the risk grade was fourth level which belonged higher risk level. The model evaluation results were basically consistent with the local real situation of the water resources development and utilization, it can be provided the guidance for the exploitation and utilization of regional water resources.