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This study analyzed physicochemical parameters and phenolic pollutant concentrations from 168 water samples collected at 84 surface water sampling sites in the Yangtze River Basin. A structural equation modeling (SEM) framework was constructed to quantify the direct and indirect pathways through which phenolic pollutants impact chemical integrity. The methodology involved the integration of conventional water quality parameters, phenolic compounds, and heavy metal data, with a chemical pressure index being constructed using principal component analysis (PCA). The mediating effects of environmental regulatory factors were analyzed via partial least squares SEM. It was found that phenolic pollution significantly impaired chemical integrity through direct toxic effects (path coefficient β = -0.55) and indirect pathways mediated by environmental controls (β = -0.14), with notable synergistic effects being exhibited by heavy metals. A formula for the Chemical Integrity Index (ICI) was proposed, providing a quantitative tool for watershed pollution management and control.

, authors=Xu-sheng WANG1, 2, Xiao-nan WANG1, *, Zheng-tao LIU1, 2, *, authorsList=Xu-sheng WANG, Xiao-nan WANG, Zheng-tao LIU, authorCompany=null, correspAuthors=Xiao-nan WANG, Zheng-tao LIU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314922234234364767, articleId=1314922232263041885, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=基于结构方程模型的酚类流域化学完整性评估, columnId=1234106388268503686, journalTitle=中国环境科学, columnName=环境生态, runingTitle=null, highlight=null, articleAbstract=

本研究通过分析长江流域84个地表水采样点168个样品的理化参数和酚类污染物浓度,构建可推广的结构方程模型(SEM),量化酚类污染物对化学完整性的直接与间接影响路径.通过整合常规水质参数、酚类及重金属数据,使用主成分分析(PCA)构建化学压力指数,SEM建模分析环境调节因子的中介效应.结果表明,酚类污染通过直接毒性(路径系数β=-0.55)和环境控制的间接路径(β=-0.14)削弱化学完整性,重金属协同效应显著.本研究提出了化学完整性指数(ICI)的计算公式,为流域污染管控提供定量工具.

, authors=王旭升1, 2, 王晓南1, *, 刘征涛1, 2, *, authorsList=王旭升, 王晓南, 刘征涛, authorCompany=null, correspAuthors=王晓南, 刘征涛, authorNote=

王旭升(1996-),男,江苏南京人,同济大学博士研究生,主要研究方向为环境微生物.发表论文14篇..

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* 责任作者:王晓南,研究员,
刘征涛,研究员,
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王旭升(1996-),男,江苏南京人,同济大学博士研究生,主要研究方向为环境微生物.发表论文14篇..

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王旭升(1996-),男,江苏南京人,同济大学博士研究生,主要研究方向为环境微生物.发表论文14篇..

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基于结构方程模型的酚类流域化学完整性评估
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王旭升 1, 2 , 王晓南 1, * , 刘征涛 1, 2, *
中国环境科学 | 环境生态 2026,46(2): 963-971
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中国环境科学 |环境生态 2026 , 46 (2) : 963 -971
基于结构方程模型的酚类流域化学完整性评估
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王旭升1, 2 , 王晓南1, * , 刘征涛1, 2, *
作者信息
  • 1.中国环境科学研究院,环境基准标准与风险管控全国重点实验室,北京 100012
  • 2.同济大学环境科学与工程学院,上海 200092
通讯作者:
* 责任作者:王晓南,研究员,
刘征涛,研究员,
作者简介:

王旭升(1996-),男,江苏南京人,同济大学博士研究生,主要研究方向为环境微生物.发表论文14篇..

Assessment of watershed chemical integrity for phenolic pollutants using structural equation modeling
Xu-sheng WANG1, 2 , Xiao-nan WANG1, * , Zheng-tao LIU1, 2, *
Affiliations
  • 1.State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
  • 2.College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
出版时间: 2026-02-20
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本研究通过分析长江流域84个地表水采样点168个样品的理化参数和酚类污染物浓度,构建可推广的结构方程模型(SEM),量化酚类污染物对化学完整性的直接与间接影响路径.通过整合常规水质参数、酚类及重金属数据,使用主成分分析(PCA)构建化学压力指数,SEM建模分析环境调节因子的中介效应.结果表明,酚类污染通过直接毒性(路径系数β=-0.55)和环境控制的间接路径(β=-0.14)削弱化学完整性,重金属协同效应显著.本研究提出了化学完整性指数(ICI)的计算公式,为流域污染管控提供定量工具.

酚类化合物  /  长江流域  /  化学完整性  /  环境浓度  /  风险评价

This study analyzed physicochemical parameters and phenolic pollutant concentrations from 168 water samples collected at 84 surface water sampling sites in the Yangtze River Basin. A structural equation modeling (SEM) framework was constructed to quantify the direct and indirect pathways through which phenolic pollutants impact chemical integrity. The methodology involved the integration of conventional water quality parameters, phenolic compounds, and heavy metal data, with a chemical pressure index being constructed using principal component analysis (PCA). The mediating effects of environmental regulatory factors were analyzed via partial least squares SEM. It was found that phenolic pollution significantly impaired chemical integrity through direct toxic effects (path coefficient β = -0.55) and indirect pathways mediated by environmental controls (β = -0.14), with notable synergistic effects being exhibited by heavy metals. A formula for the Chemical Integrity Index (ICI) was proposed, providing a quantitative tool for watershed pollution management and control.

Phenolic compounds  /  Yangtze River Basin  /  chemical integrity  /  environmental concentration  /  risk assessment
王旭升, 王晓南, 刘征涛. 基于结构方程模型的酚类流域化学完整性评估. 中国环境科学, 2026 , 46 (2) : 963 -971 .
Xu-sheng WANG, Xiao-nan WANG, Zheng-tao LIU. Assessment of watershed chemical integrity for phenolic pollutants using structural equation modeling[J]. China Environmental Science, 2026 , 46 (2) : 963 -971 .
  • 国家重点研发计划项目(2021YFC3201005)
  • 国家自然科学基金资助项目(42107303)
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2026年第46卷第2期
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  • 接收时间:2025-06-04
  • 首发时间:2026-10-08
  • 出版时间:2026-02-20
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  • 收稿日期:2025-06-04
基金
国家重点研发计划项目(2021YFC3201005)
国家自然科学基金资助项目(42107303)
作者信息
    1.中国环境科学研究院,环境基准标准与风险管控全国重点实验室,北京 100012
    2.同济大学环境科学与工程学院,上海 200092

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* 责任作者:王晓南,研究员,
刘征涛,研究员,
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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