Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake Basin
A three-dimensional rating index system for water resources system–water environment system–socioeconomic system is constructed based on data from Hunan Dongting Lake Eco-environment Monitoring Center, Hunan Provincial Water Resources Bulletin, and Hunan Statistical Yearbook. The water resources car...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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IWA Publishing
2021-08-01
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| Series: | Journal of Water and Climate Change |
| Subjects: | |
| Online Access: | http://jwcc.iwaponline.com/content/12/5/2125 |
| _version_ | 1818684251182202880 |
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| author | Zhenghua Deng Liqi Dai Bing Deng Xiaoyong Tian |
| author_facet | Zhenghua Deng Liqi Dai Bing Deng Xiaoyong Tian |
| author_sort | Zhenghua Deng |
| collection | DOAJ |
| description | A three-dimensional rating index system for water resources system–water environment system–socioeconomic system is constructed based on data from Hunan Dongting Lake Eco-environment Monitoring Center, Hunan Provincial Water Resources Bulletin, and Hunan Statistical Yearbook. The water resources carrying capacity (WRCC) of Dongting Lake Basin from 2009 to 2018 is evaluated by the TOPSIS model combined with analytic hierarchy process (AHP) and entropy weight, and then the temporal evolution and spatial distribution characteristics of the WRCC of the Dongting Lake Basin are analyzed. The results show that: (1) The WRCC in the Dongting Lake Basin decreases from a good level to a reasonable level during the period. Among them, the WRCC of the Ouchi River, Hudu River, and Songzi River Basins decreases significantly. (2) There are obvious spatial differences in the WRCC of the Dongting Lake Basin in 2018, the WRCC order is Lishui River, West Dongting Lake, Zijiang River, South Dongting Lake, Yuanshui River, Xiangjiang River, East Dongting Lake, Songzi River, Hudu River, Ouchi River, with scores of 0.586, 0.526, 0.472, 0.448, 0.416, 0.397, 0.393, 0.313, 0.306, and 0.304, respectively. Finally, some policy recommendations for improving the WRCC of the Dongting Lake Basin are proposed. HIGHLIGHTS
According to the definition of water resources carrying capacity, its index evaluation system has been established.;
The paper combines entropy method and TOPSIS method to comprehensively evaluate the change of water resources carrying capacity of Dongting Lake Basin during the last 10 years.;
The countermeasures for coordinated development of water resources and society in the Dongting Lake Basin are proposed.; |
| first_indexed | 2024-12-17T10:47:39Z |
| format | Article |
| id | doaj.art-fe7353e08da947e293a0d0bc0f61943b |
| institution | Directory Open Access Journal |
| issn | 2040-2244 2408-9354 |
| language | English |
| last_indexed | 2024-12-17T10:47:39Z |
| publishDate | 2021-08-01 |
| publisher | IWA Publishing |
| record_format | Article |
| series | Journal of Water and Climate Change |
| spelling | doaj.art-fe7353e08da947e293a0d0bc0f61943b2022-12-21T21:52:05ZengIWA PublishingJournal of Water and Climate Change2040-22442408-93542021-08-011252125213510.2166/wcc.2021.210210Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake BasinZhenghua Deng0Liqi Dai1Bing Deng2Xiaoyong Tian3 Hunan Institute of Science and Technology, Yueyang, China Hunan Institute of Science and Technology, Yueyang, China Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, Changsha, China Hunan Institute of Science and Technology, Yueyang, China A three-dimensional rating index system for water resources system–water environment system–socioeconomic system is constructed based on data from Hunan Dongting Lake Eco-environment Monitoring Center, Hunan Provincial Water Resources Bulletin, and Hunan Statistical Yearbook. The water resources carrying capacity (WRCC) of Dongting Lake Basin from 2009 to 2018 is evaluated by the TOPSIS model combined with analytic hierarchy process (AHP) and entropy weight, and then the temporal evolution and spatial distribution characteristics of the WRCC of the Dongting Lake Basin are analyzed. The results show that: (1) The WRCC in the Dongting Lake Basin decreases from a good level to a reasonable level during the period. Among them, the WRCC of the Ouchi River, Hudu River, and Songzi River Basins decreases significantly. (2) There are obvious spatial differences in the WRCC of the Dongting Lake Basin in 2018, the WRCC order is Lishui River, West Dongting Lake, Zijiang River, South Dongting Lake, Yuanshui River, Xiangjiang River, East Dongting Lake, Songzi River, Hudu River, Ouchi River, with scores of 0.586, 0.526, 0.472, 0.448, 0.416, 0.397, 0.393, 0.313, 0.306, and 0.304, respectively. Finally, some policy recommendations for improving the WRCC of the Dongting Lake Basin are proposed. HIGHLIGHTS According to the definition of water resources carrying capacity, its index evaluation system has been established.; The paper combines entropy method and TOPSIS method to comprehensively evaluate the change of water resources carrying capacity of Dongting Lake Basin during the last 10 years.; The countermeasures for coordinated development of water resources and society in the Dongting Lake Basin are proposed.;http://jwcc.iwaponline.com/content/12/5/2125combination weightdongting lake basintopsiswater resources carrying capacity |
| spellingShingle | Zhenghua Deng Liqi Dai Bing Deng Xiaoyong Tian Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake Basin Journal of Water and Climate Change combination weight dongting lake basin topsis water resources carrying capacity |
| title | Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake Basin |
| title_full | Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake Basin |
| title_fullStr | Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake Basin |
| title_full_unstemmed | Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake Basin |
| title_short | Evaluation and spatial-temporal evolution of water resources carrying capacity in Dongting Lake Basin |
| title_sort | evaluation and spatial temporal evolution of water resources carrying capacity in dongting lake basin |
| topic | combination weight dongting lake basin topsis water resources carrying capacity |
| url | http://jwcc.iwaponline.com/content/12/5/2125 |
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