基于代际公平的水资源分配与水质管理联合优化模型。

IF 3.9 2区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES
Chunlan Lv, Yanli Chen, Qian Huang
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引用次数: 0

摘要

全球变暖和水资源的过度开发引起了人们对水资源短缺和水生生态系统退化的严重关切。为加强水资源综合管理,建立了水资源配置与水质综合优化的多目标模型,该模型在平均经济效益效率最大化与长期可持续发展的社会福利之间进行权衡。在社会福利最大化目标上,引入了边沁-罗尔斯标准来解决高质量水资源配置中的代际权衡问题,并采用重叠代际结构来分析水污染的跨期动态,从而缓解流域经济增长与环境质量之间的冲突。此外,总经济效率最大化的目标也很重要,因为它保证了水资源的有效利用。以中国污染严重的沱江流域为例,验证了该模型的可行性和合理性。情景分析进一步验证了模型的有效性,并探讨了不同控制参数的影响。结果表明,提高污水处理能力,减少水污染积累,兼顾子孙后代对高质量水的合理需求,可以促进流域的可持续发展。与已有模型相比,本文提出的优化模型可使社会福利提高13.83%,总经济效率提高15.97%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Intergenerational equity based optimization model joint of water allocation and water quality management.

Intergenerational equity based optimization model joint of water allocation and water quality management.

Intergenerational equity based optimization model joint of water allocation and water quality management.

Intergenerational equity based optimization model joint of water allocation and water quality management.

Global warming and the excessive exploitation of water resources have raised significant concerns regarding water scarcity and the degradation of aquatic ecosystems. To enhance integrated water resource management, a multi-objective optimization model integrated water allocation and water quality has been developed, in which there are trades-off between average economic benefit efficiency maximization and social welfare for long-term sustainability. In the social welfare maximization objective, an adapted Bentham-Rawls criterion is incorporated to addresses intergenerational trade-offs in high-quality water resource allocation, and the overlapping generations structure is employed to analyze the intertemporal dynamics of water pollution, thereby alleviating the conflicts between economic growth and environmental quality in the basin. Besides, total economic efficiency maximization objective is also important as it ensures the effective utilization of water resources. Using the heavily polluted Tuojiang River basin in China as a case study, the feasibility and rationality of this model have been demonstrated. Scenario analysis further validates the model's effectiveness and explores the impacts of varying control parameters. Results indicate that improving sewage treatment capacity, reducing water pollution accumulation, and accounting for the reasonable needs of future generations for high-quality water can promote the sustainable development of the basin. Compared with the previous models, the proposed optimization model is capable to increase the social welfare by 13.83% and total economic efficiency by 15.97%.

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来源期刊
Scientific Reports
Scientific Reports Natural Science Disciplines-
CiteScore
7.50
自引率
4.30%
发文量
19567
审稿时长
3.9 months
期刊介绍: We publish original research from all areas of the natural sciences, psychology, medicine and engineering. You can learn more about what we publish by browsing our specific scientific subject areas below or explore Scientific Reports by browsing all articles and collections. Scientific Reports has a 2-year impact factor: 4.380 (2021), and is the 6th most-cited journal in the world, with more than 540,000 citations in 2020 (Clarivate Analytics, 2021). •Engineering Engineering covers all aspects of engineering, technology, and applied science. It plays a crucial role in the development of technologies to address some of the world''s biggest challenges, helping to save lives and improve the way we live. •Physical sciences Physical sciences are those academic disciplines that aim to uncover the underlying laws of nature — often written in the language of mathematics. It is a collective term for areas of study including astronomy, chemistry, materials science and physics. •Earth and environmental sciences Earth and environmental sciences cover all aspects of Earth and planetary science and broadly encompass solid Earth processes, surface and atmospheric dynamics, Earth system history, climate and climate change, marine and freshwater systems, and ecology. It also considers the interactions between humans and these systems. •Biological sciences Biological sciences encompass all the divisions of natural sciences examining various aspects of vital processes. The concept includes anatomy, physiology, cell biology, biochemistry and biophysics, and covers all organisms from microorganisms, animals to plants. •Health sciences The health sciences study health, disease and healthcare. This field of study aims to develop knowledge, interventions and technology for use in healthcare to improve the treatment of patients.
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