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Marine and Freshwater Research Marine and Freshwater Research Society
Advances in the aquatic sciences
RESEARCH ARTICLE

A study on water quality and pollution source investigation of Jinkengling Reservoir

Yiting Qi https://orcid.org/0009-0006-6921-8536 A , Xin Cao A , Ruisi Cao B , Mingjie Cao A , Jing Huang C and Dong Xu https://orcid.org/0000-0002-9111-1245 A *
+ Author Affiliations
- Author Affiliations

A Zhejiang University of Water Resources and Electric Power, Hangzhou, Zhejiang, 310000, PR China.

B Jiaxing Hydraulic and Hydropower Survey and Design Research Institute Co., Ltd, Jiaxing, Zhejiang, 314000, PR China.

C Yunnan Open University, Kunming, Yunnan, 650500, PR China.

* Correspondence to: xud@zjweu.edu.cn

Handling Editor: Yong Xiao

Marine and Freshwater Research 75, MF24022 https://doi.org/10.1071/MF24022
Submitted: 3 February 2024  Accepted: 7 August 2024  Published: 23 September 2024

© 2024 The Author(s) (or their employer(s)). Published by CSIRO Publishing

Abstract

Context

Eutrophication pollution has emerged as a significant ecological concern on a global scale, with the quality of drinking water closely intertwined with the sustainability and advancement of rural communities.

Aims

The objective of this study was to conduct a comprehensive examination of pollution sources within the Jinkengling Reservoir, assess the extent of eutrophication pollution, and offer insights for the efficient management and regulation of the reservoir.

Methods

The investigation of exogenous pollution sources entailed an assessment of the pollution load, whereas the investigation of endogenous pollution sources centred on sediment testing and the analysis of sediment accumulation within the reservoir.

Key results

The examination of exogenous pollution sources in the reservoir indicated that nitrogen and phosphorus predominantly emanated from pollution resulting from municipal solid waste, fertiliser, and livestock and poultry farming. The analysis of endogenous pollution sources illustrated that sediment functions as a significant contributor of nutrient substances in the water.

Conclusions

The examination of exogenous pollution sources indicates the necessity for thorough control measures, whereas the study of endogenous pollution sources underscores the significance of sediment dredging in the reservoir.

Implications

This study offers insights to improve the ecological environment of local water bodies, and also has universal and reference significance for solving the global eutrophication pollution problem.

Keywords: eutrophication, exogenous pollution, internal pollution, investigation, Jinkengling Reservoir, nitrogen–phosphorus load, pollution sources, water quality.

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