Abstract
The evaluation of the sustainable utilization of water resources is an important factor to measure whether the water resources can support the local coordinated development of population, economy and environment. Our study used Henan Province as the research area, which has a relative shortage of water resources (average water resources per capita, ≤400 m3). The Drivers, Pressures, State, Impact, Response (DPSIR) model was used to construct the evaluation index system, utilizing the entropy weight method and the Analytic Hierarchy Process (AHP) method to determine the index weight. The sustainable utilization of water resources in 18 cities of Henan Province from 2006 to 2015 was evaluated using the Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS) model. The results show a steady upward trend, from worst to general, but there is a great difference between each city. The overall level was still on the low side, and the influence of each subsystem in the comprehensive index of the sustainable utilization of water resources varies. The evaluation results are basically in line with the actual situation of economic and social development in Henan Province, which has a guiding significance for improving the level of sustainable utilization of water resources in the region.
Highlights
Water resources are a basic element of the ecological environment and an indispensable natural resource for the development of a national economy [1]
The sustainable utilization of water resources is an important factor to measure whether areas with water shortages can support the coordinated development of population, economy and environment [6]
According to the requirements of the DPSIR model, with reference to the existing scholars and according to the actual situation in Henan Province, taking the principle of representativeness, hierarchy and operability as the evaluation index, this paper constructs the evaluation of the sustainable utilization of water resources indicator system (Table 1)
Summary
Water resources are a basic element of the ecological environment and an indispensable natural resource for the development of a national economy [1]. Water resources security is an ecological and environmental problem, and an economic, social and political issue related to national security [2,3]. With the rapid development of the economy and the substantial improvement of the living standards of urban and rural residents, the shortage of water resources is becoming increasingly severe. Water resources have become a crucial obstacle to the sustainable development of regional environments and the social economy [4,5]. The sustainable utilization of water resources is an important factor to measure whether areas with water shortages can support the coordinated development of population, economy and environment [6]. It is of great practical significance to evaluate the sustainable utilization of regional water resources scientifically for the sustainable development of the region and the cycle of the ecosystem
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