Evaluation and source identification of water pollution

Maintaining good surface water quality is essential for protecting ecosystems and human health. Henan Province has long faced challenges related to water scarcity and severe water pollution. To support effective management of water pollution in Henan Province and provide insights for regional water...

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Main Authors: Huaibin Wei, Haojie Qiu, Jing Liu, Wen Li, Chenchen Zhao, Hanfei Xu
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Ecotoxicology and Environmental Safety
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0147651324015756
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author Huaibin Wei
Haojie Qiu
Jing Liu
Wen Li
Chenchen Zhao
Hanfei Xu
author_facet Huaibin Wei
Haojie Qiu
Jing Liu
Wen Li
Chenchen Zhao
Hanfei Xu
author_sort Huaibin Wei
collection DOAJ
description Maintaining good surface water quality is essential for protecting ecosystems and human health. Henan Province has long faced challenges related to water scarcity and severe water pollution. To support effective management of water pollution in Henan Province and provide insights for regional water pollution management, we collected extensive water quality monitoring data and applied spatial autocorrelation along with random forest to analyze the sources of heavily polluted areas. Results indicate that the spatial pollution pattern of surface water quality in Henan Province can be generally classified as insignificant pollution in the north, heavy pollution in the central regions, and light pollution in the south. Heavily polluted areas are mainly located in Zhengzhou, Luoyang, and Kaifeng. Key indicators affecting water quality in these regions are chemical oxygen demand (CODMn), dissolved oxygen (DO), ammonia nitrogen (NH3-N), and total phosphorus (TP), with urban sewage and industrial wastewater identified as the main causes of deterioration. These results not only provide a scientific basis for the systematic management of surface water quality pollution in Henan Province but also provide a reference for regional water pollution management.
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institution Kabale University
issn 0147-6513
language English
publishDate 2025-01-01
publisher Elsevier
record_format Article
series Ecotoxicology and Environmental Safety
spelling doaj-art-b95c6d58c43a41d5a0e092e60965e4ca2025-01-23T05:25:47ZengElsevierEcotoxicology and Environmental Safety0147-65132025-01-01289117499Evaluation and source identification of water pollutionHuaibin Wei0Haojie Qiu1Jing Liu2Wen Li3Chenchen Zhao4Hanfei Xu5School of Management and Economics, North China University of Water Resources and Electric Power, Zhengzhou 450046, ChinaSchool of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, ChinaCollege of Water Resources, North China University of Water Resources and Electric Power, Zhengzhou 450046, China; School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom; Corresponding author at: College of Water Resources, North China University of Water Resources and Electric Power, Zhengzhou 450046, ChinaSchool of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, ChinaSchool of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, ChinaSchool of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, ChinaMaintaining good surface water quality is essential for protecting ecosystems and human health. Henan Province has long faced challenges related to water scarcity and severe water pollution. To support effective management of water pollution in Henan Province and provide insights for regional water pollution management, we collected extensive water quality monitoring data and applied spatial autocorrelation along with random forest to analyze the sources of heavily polluted areas. Results indicate that the spatial pollution pattern of surface water quality in Henan Province can be generally classified as insignificant pollution in the north, heavy pollution in the central regions, and light pollution in the south. Heavily polluted areas are mainly located in Zhengzhou, Luoyang, and Kaifeng. Key indicators affecting water quality in these regions are chemical oxygen demand (CODMn), dissolved oxygen (DO), ammonia nitrogen (NH3-N), and total phosphorus (TP), with urban sewage and industrial wastewater identified as the main causes of deterioration. These results not only provide a scientific basis for the systematic management of surface water quality pollution in Henan Province but also provide a reference for regional water pollution management.http://www.sciencedirect.com/science/article/pii/S0147651324015756Water qualitySpatial clustering patternPollution areas identificationSource analysisRandom forest
spellingShingle Huaibin Wei
Haojie Qiu
Jing Liu
Wen Li
Chenchen Zhao
Hanfei Xu
Evaluation and source identification of water pollution
Ecotoxicology and Environmental Safety
Water quality
Spatial clustering pattern
Pollution areas identification
Source analysis
Random forest
title Evaluation and source identification of water pollution
title_full Evaluation and source identification of water pollution
title_fullStr Evaluation and source identification of water pollution
title_full_unstemmed Evaluation and source identification of water pollution
title_short Evaluation and source identification of water pollution
title_sort evaluation and source identification of water pollution
topic Water quality
Spatial clustering pattern
Pollution areas identification
Source analysis
Random forest
url http://www.sciencedirect.com/science/article/pii/S0147651324015756
work_keys_str_mv AT huaibinwei evaluationandsourceidentificationofwaterpollution
AT haojieqiu evaluationandsourceidentificationofwaterpollution
AT jingliu evaluationandsourceidentificationofwaterpollution
AT wenli evaluationandsourceidentificationofwaterpollution
AT chenchenzhao evaluationandsourceidentificationofwaterpollution
AT hanfeixu evaluationandsourceidentificationofwaterpollution