[Key Issues and Challenges in Establishing Regionally Differentiated Water Quality Standard in China].

Q2 Environmental Science
Ying-Cai Tang, Dong-Bin Wei, Yin-Hu Wu, Zhuo Chen, Yun Lu, Hua-Nan Gao, An-Ran Liao, Nan Huang, Hong-Wei Xu, Zi-Tong Liao, Ren Ding, Han Yan, Zhuo-Wei Zhang, Hong-Ying Hu
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引用次数: 0

Abstract

The goal of environmental management in China is transitioning from pollution control to the improvement of ecological quality. The establishment of regional differential water quality standards can better adapt to the ecological characteristics and development needs of different regions. Given the shortcomings of current water quality standards and the needs of technological development, this study analyzed the causes and influencing factors of regional differences in water quality standards and summarized China's regional variations in areas such as the characteristics of receiving water bodies, social attributes, climate conditions, physicochemical properties of water, and aquatic biotic populations. It also examined the impact of regional characteristics on the assessment of biological toxicity. Based on these analyses, the study identified key scientific questions that may arise in the development of regional differential water quality standards in China and outlined future critical research directions in this field. These directions include developing theories and methods for determining the effluent dilution coefficient, establishing methods for identifying regional key water quality indicators and assessing their impact on water quality standards, determining regional characteristic species and their influence on water quality standards, and formulating theories and methods for categorizing different regions across the country. The aim of the study was to provide a reference for the scientific establishment of water quality standards in China.

[中国制定区域差异化水质标准的关键问题与挑战]。
中国的环境管理目标正从污染控制向改善生态质量过渡。建立区域差异化水质标准可以更好地适应不同地区的生态特点和发展需求。鉴于现行水质标准的缺陷和技术发展的需要,本研究分析了水质标准区域差异的成因和影响因素,总结了我国在受纳水体特征、社会属性、气候条件、水体理化性质、水生生物种群等方面的区域差异。研究还探讨了区域特征对生物毒性评估的影响。在这些分析的基础上,研究确定了中国在制定区域差异水质标准过程中可能出现的关键科学问题,并概述了该领域未来的关键研究方向。这些方向包括发展确定污水稀释系数的理论和方法,建立确定区域关键水质指标及其对水质标准影响的方法,确定区域特征物种及其对水质标准的影响,以及制定全国不同区域分类的理论和方法。该研究旨在为科学制定中国水质标准提供参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Huanjing Kexue/Environmental Science
Huanjing Kexue/Environmental Science Environmental Science-Environmental Science (all)
CiteScore
4.40
自引率
0.00%
发文量
15329
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