Abstract
It is of great significance to evaluate the groundwater resources carrying capacity, for understanding the basic situation of regional groundwater resource availability and utilization, establishing a monitoring and warning mechanism for resources and environment carrying capacity, and supporting the research oriented to national spatial planning. In this paper, groundwater resources carrying capacity is proposed based on analysis of the quantity, quality and ecological feature of groundwater in Yangtze River Economic Belt, an evaluation methodology is established respectively from background and status of carrying capacity. Results show that integrated carrying capacity is medium in this region. The number of cities with strong, medium-strong, medium, medium-weak, and weak integrated carrying capacity are 27, 28, 51, 15, and 8 respectively. Cities with strong and medium-strong integrated carrying capacity are mainly located in Middle-Lower of Yangtze River, Huang-Huai-Hai Plain and Sichuan Basin. Cities with medium-weak and weak integrated carrying capacity are mainly located in coastal areas of Jiangsu and Zhejiang provinces, Sichuan red layer area, north of Sichuan Plateau, and Jinsha River basin.
Highlights
The research on the carrying capacity of resources and environment usually takes natural resource and environmental system as the carrying subject and social or economic development as the carrying object, to study the support of natural resource and environmental system to social or economic system in a certain geographical space [1]
As an important part of resources, it is of great significance to evaluate the groundwater resources carrying capacity, for understanding the basic situation of regional groundwater resource availability and utilization, establishing a monitoring and warning mechanism for resources and environment carrying capacity, and supporting the research oriented to national spatial planning
In the early 1990s, Shi Yafeng put forward the "water resources carrying capacity" when he studied the restrictive effects of water resources on the ecological environment and socio-economic system in the arid regions of northwestern China [7]
Summary
The research on the carrying capacity of resources and environment usually takes natural resource and environmental system as the carrying subject and social or economic development as the carrying object, to study the support of natural resource and environmental system to social or economic system in a certain geographical space [1]. In the early 1990s, Shi Yafeng put forward the "water resources carrying capacity" when he studied the restrictive effects of water resources on the ecological environment and socio-economic system in the arid regions of northwestern China [7]. This paper intends to take Yangtze River Economic Belt as the research region, combining groundwater resources endowments, development and utilization conditions, and related ecological and environmental issues, to carry out regional groundwater resources carrying capacity evaluation, and to determine background of groundwater resources carrying capacity and overloading degree
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