Abstract
With the rapid development of urbanization, problems such as the tight supply and demand of water resources and the pollution of the water environment have become increasingly prominent, and the pressure on the carrying capacity of water resources has gradually increased. In order to better promote the sustainable development of cities, it is extremely important to coordinate the relationship between water resources and economic society. This study analyzed the current research status of water resources carrying capacity from two aspects, i.e., research perspective and research methodology, established an innovative evaluation system, and used the principal component analysis to analyze the water resources carrying capacity in Huai’an City, an important city in China’s Huaihe River Ecological Economic Zone. Based on the results, it is found that the water resources carrying capacity of Huai’an City has been declining year by year from 2013 to 2019. Based on the evaluation results, suggestions and measures to improve the water resources carrying capacity of the empirical city are proposed to provide an important decision basis for the coordinated development of urban economy, society, and water resources.
Highlights
The results show that the best solution for water resources management is to reduce water consumption and demand, as well as losses and return
Based on the method and theory review of water resources carrying capacity, this study evaluated and analyzed the water resources carrying capacity of Huai’an City according to the status of water resources in Huai’an City
Follow-up research can be based on the analysis model developed in this research for long-term monitoring, which can be used as a reference for water resources management policies
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Water is an important part of the ecological environment. It has nurtured human civilization and is an indispensable resource in the development and advancement of agricultural civilization and industrial civilization [1,2]. The concept and connotation of water resources continue to be enriched and improved with the development of human society [3]. Water resources are water sources that have the potential to be used or can be used, which meet the needs of specific uses within a certain time and space, with sufficient quantity and suitable quality [4]
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