Water Environmental Capacity Calculation and Allocation of the Taihu Lake Basin in Jiangsu Province Based on Control Unit

Juan Huang, Yong Pang, Xiaoqiang Zhang and Yifan Tong
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Juan Huang: College of Hydrology and Water Resources, Hohai University, Nanjing 210098, Jiangsu, China
Yong Pang: College of Environment, Hohai University, Nanjing 210098, Jiangsu, China
Xiaoqiang Zhang: Jiangsu Provincial Academy of Environmental Science, Nanjing 210036, Jiangsu, China
Yifan Tong: Jiangsu Provincial Academy of Environmental Science, Nanjing 210036, Jiangsu, China

IJERPH, 2019, vol. 16, issue 19, 1-15

Abstract: The water quality target management of the control unit is a convenient and direct technology for water environment management and the development direction of water environment management in China, involving control unit division and water environment capacity calculation. Taking the Taihu Lake Basin in Jiangsu Province as an example, we propose herein the basic principle of the division of a regional control unit in a plain river network and the method of analyzing the rationality of the control unit division. On this basis, the Taihu Lake Basin in Jiangsu Province was divided into 70 control units. To calculate the water environmental capacity in the plain river network area, we established a water environmental capacity calculation framework based on multiple targets of lakes and rivers, and proposed the goal of water quality “double compliance” of the water environmental functional zone and the assessment section. For this study, we calculated the regional water environmental capacity using the mathematical model of the Taihu Lake Basin’s water environmental capacity, and the water environmental capacities of the 70 control units were allocated by the weight coefficient method, which established water area and functional division length. The research results described herein were applied to the pollution permit management of the Taihu Lake Basin in Jiangsu Province. It provides important technical support for the establishment of a pollution permit system based on the total capacity to improve environmental quality.

Keywords: control unit; water environmental capacity; capacity allocation; Taihu Lake Basin in Jiangsu Province (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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