Author(s)

Jianqiao Qin ^1,2, Darong Ren ¹, Zhiqiang Yan ³, Fuxing Gu ⁴, Donghang Jiang ¹, Yingli Jie ¹, Zemin Zheng ¹, Haojia Xu ¹, Xiaoxiao Liao ¹

Affiliation(s)

¹ College of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing, 526061, China
² Guangdong Provincial Key Laboratory of Environmental Health and Land Resource, Zhaoqing University, Zhaoqing, 526061, China
³ Shunde Polytechnic, Shunde, Guangdong, 528300, China
⁴ Guangdong Zhonghao Survey and Design Consulting Co., Ltd., Zhaoqing, 526061, China

Corresponding Author

Zhiqiang Yan

ABSTRACT

By collecting historical data, the water quality of four rivers in Huadu District was monitored, and the fuzzy comprehensive evaluation method was used to evaluate the water quality of the rivers. Introduce the concept of membership function and membership degree of the evaluation of water environment of river, establish the membership function of evaluation factor, the evaluation set, weight set and fuzzy set of subset, according to the size differences between pollution factor's influence on water quality to determine the weights, with fuzzy comprehensive evaluation method of huadu finally four major river water environment evaluation. The results show that the water quality of Tieshan River belongs to class Ⅱ. The water quality of Xinjie River belongs to Class Ⅴ, and the main pollutant is total nitrogen. The water quality of Tianma River and Tianmei River also belongs to Class Ⅴ, with total phosphorus, total nitrogen and ammonia nitrogen as the main pollutants. The research results can provide scientific basis for source control and pollution interception and water environment safety in Huadu District.

KEYWORDS

The surface water of Huadu area, Fuzzy comprehensive evaluation method, Water quality monitoring, Water environment quality evaluation

CITE THIS PAPER

Jianqiao Qin, Darong Ren, Zhiqiang Yan, Fuxing Gu, Donghang Jiang, Yingli Jie, Zemin Zheng, Haojia Xu, Xiaoxiao Liao, Water Quality Monitoring and Evaluation of Four Rivers in Huadu District, Guangzhou. Environment, Resource and Ecology Journal (2022) Vol. 6: 79-89. DOI: http://dx.doi.org/10.23977/erej.2022.060509.

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