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[1]GUO Jiajia,LI Zhanbin,LI Peng,et al.Evaluation of Water Security and Obstacle Factor Diagnosis of Shaanxi Province Based on DPSIR Model[J].Research of Soil and Water Conservation,2023,30(02):149-155.[doi:10.13869/j.cnki.rswc.2023.02.036]

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Evaluation of Water Security and Obstacle Factor Diagnosis of Shaanxi Province Based on DPSIR Model

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 30 Number of periods: 2023 02 Page number: 149-155 Column: Public date: 2023-03-10

Title:: Evaluation of Water Security and Obstacle Factor Diagnosis of Shaanxi Province Based on DPSIR Model

Author(s):: GUO Jiajia¹, LI Zhanbin¹, LI Peng^1,2, XU Yaotao¹, YANG Zhi³, REN Zhengyan³; (1.State Key Laboratory Base of Eco-hydraulic Engineering in Arid Area, Xi'an University of Technology, Xi'an 710048, China; 2.State Key Laboratory of National Forestry and Grassland Administration on Ecological Hydrology and Disaster Prevention in Arid Regions, Xi'an 710048, China; 3.Ningxia Soil and Water Conservation Monitoring Station, Yinchuan 750002, China)

Keywords:: water security; DPSIR model; entropy method; obstacle model; Shaanxi Province

CLC:: TV213.4

DOI:: 10.13869/j.cnki.rswc.2023.02.036

Abstract:: Water resources security assessment is the basis of water resources protection and planning. In order to improve regional water security, it is urgent to evaluate water security quantitatively and diagnose its obstacle factors. In this study, a water security evaluation index system was established based on DPSIR model. Combining with the quantization method of single index quantization, multiple index synthesis, multiple criteria synthesis(SMI-P)and coupled coordination degree model, we evaluated the water security and health status of Shaanxi Province, and analyzed the main factors affecting water security by using obstacle degree model. The results show that from 2000 to 2018, the state of water security in Shaanxi Province had experienced the development from ‘less safe' to ‘basic safe', but the security degree of driving force and influence subsystem had decreased, so more attention should be paid to the limitation of water resources and urban social development; the coupling coordination degree of water security subsystem increased year by year, realizing the transformation from moderate imbalance to good coordination; in 2015, the coupling degree of the system was as high as 0.804, and the degree of mutual dependence and interaction between the systems was high; however, due to the reduction of the safety value of driving force, the coupling coordination state of the system changed to mild imbalance in 2018; GDP per capita, Engel's coefficient, daily water consumption per capita and the proportion of water quality monitoring sections reaching the standard were the main obstacles to the improvement of water security in Shaanxi Province, which could provide a scientific basis for formulating and taking relevant measures to improve water security. The overall trend of water security in Shaanxi Province is good, and economy and water resources are the main restricting factors.

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Last Update: 2023-03-10