Abstract
The function and necessity of water resources make them an important factor affecting economic and social development. To explore various water security issues impacting water use, the pressure-state-response model was applied in this study to construct a water security evaluation indexing system for the Circum-Bohai Sea Region (CBSR) in China. In this study, the game method was used to balance the two weighting methods, and the water security grades were calculated by the forward cloud model. Compared with the previous work, this study tried to analyze the simulated scenarios using the ELECTRE III method, determined the optimal development scenario mode based on the water security grade, and put forward water security measures and suggestions based on the results. This study put forward three scenarios of development models. Under the scenario of “pressure reduction”, it can be proposed to build suburbs and transfer urban functional areas to relieve the pressure of urban population. Under the “ideal state” scenario, water diversion projects and water storage projects can be proposed to relieve the regional water shortage. Under the scenario of “efficient response”, strengthening ecological environment construction and improving sewage treatment capacity can be proposed.
Highlights
Water itself is a crucial natural resource, but its connection to human society requires consideration of the concept of water security
Based on the above description, water security refers to the state or ability of water resources, water environments, and water supply systems to support and guarantee (i) the sustainable development of the economy and society, (ii) the benign cycle of the ecosystem, and (iii) flood control and drought resistance throughout the social and economic development within a region, all according to the principle of coordinated development of human society, economy, and the ecological environment
This study presents a comprehensive index system for evaluating water security based on the pressure-state-response (PSR) model
Summary
Water itself is a crucial natural resource, but its connection to human society requires consideration of the concept of water security. Conference [1] and contains the following points: (i) ensure that the freshwater, coastal, and related ecological systems can be protected and improved; (ii) ensure that the sustainable development and political stability can be promoted; (iii) ensure that everyone has access and the ability to pay for safe water in order to lead a healthy and happy life; and (iv) ensure that vulnerable people can be protected against the suffering associated with a water crisis. Based on the above description, water security refers to the state or ability of water resources, water environments, and water supply systems to support and guarantee (i) the sustainable development of the economy and society, (ii) the benign cycle of the ecosystem, and (iii) flood control and drought resistance throughout the social and economic development within a region, all according to the principle of coordinated development of human society, economy, and the ecological environment.
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