The matching characteristics of the water resources utilization and economic development in the Shaying River basin
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Abstract:
In recent years,the spatial and temporal distribution of water resources in China does not match the scale of economic and social development,which seriously restricts the efficient utilization of water resources and the sustainable development of sociometric development.Therefore,it is of great significance to clarify the matching degree of regional water resources utilization and sociometric development.Shaying River is one of the main water sources in Henan Province that carries several cities′ water utilization in agricultural irrigation and urban life,while significant differences existed in water resources endowments and economic development.Discussing the temporal and spatial evolution trend and influencing factors of the matching relationship between water resources utilization and sociometric development in the Shaying River basin is of great significance for promoting the high-quality development. The representative matching elements from two aspects of water resources and economic society are selected,and the Henan section of Shaying River basin is selected as the research object to study the matching characteristics of water resources and sociometric development from the spatial and temporal dimensions.According to the actual situation of Henan section of Shaying River basin,inverted calculations and groundwater extraction coefficient methods are used to determine the available water resources in each city.The matching relationship between the water resources utilization and the economic development of 10 cities in Henan section of the Shaying River basin from 2014 to 2018 is studied,based on the calculation method of data sequence.Finally,the matching degree among water consumption,the available water resources and the GDP of each city is analyzed. Results show that there is a large gap in available water resources due to climatic conditions and other factors,among which Luohe and Zhoukou have more available water resources.During the study period,the matching relationship between available water resources and water consumption of various cities differed greatly.Although Zhumadian is rich in water resources and has many rivers in its territory,while its water consumption ranks low among the cities,so the matching degree of water resources availability and water consumption in Zhumadian is poor.In the time dimension,the matching degree between water consumption and GDP of various cities was good;while in the spatial dimension,the matching situation of Kaifeng was the worst,and other cities such as Luohe were better.Meanwhile,the matching degree was at a higher level or above,indicating that the water resources consumed by cities in the Henan section of the Shaying River basin can produce corresponding economic benefits.In terms of time and space,the matching relationship between the available water resources and GDP in various cities had significant differences.The matching degree of Shaying River basin was the best in 2016,and the matching degree in Pingdingshan,Ruzhou,Nanyang，and Zhumadian were relatively better. In general,the matching degree of water consumption and GDP of different cities in Henan around Shaying River basin has little difference over time,and the matching degree of different cities is similar.However,the matching degree of available water resources and GDP varies greatly between different cities.Therefore,it is necessary to use water transfer or other ways to improve the local water resources endowment conditions.Results are helpful to reveal the temporal and spatial evolution law of water resources utilization and economic development in various cities of Shaying River basin,clarify its influencing factors,and provide decision supports for realizing the optimal allocation and efficient utilization of water resources,and coordinated sociometric development among regions.
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