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[1]DANG Wei,JIAO Limin.Water Pollution Characteristics and Their Comprehensive Assessment in the Upper Reaches of the Huai River[J].Research of Soil and Water Conservation,2018,25(05):358-363,370.

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Water Pollution Characteristics and Their Comprehensive Assessment in the Upper Reaches of the Huai River

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 05 Page number: 358-363,370 Column: Public date: 2018-09-06

Title:: Water Pollution Characteristics and Their Comprehensive Assessment in the Upper Reaches of the Huai River

Author(s):: DANG Wei¹, JIAO Limin²; 1. College of Urban Construction, Henan University, Pingdingshan, Henan 467001, China;
2. School of Resources and Environmental Science, Wuhan University, Wuhan 430079, China

Keywords:: Huai River; water quality; multivariate analysis; comprehensive assessment

CLC:: X524

DOI:: -

Abstract:: Spatiotemporal patterns of Water quality at four monitoring stations in the upper reaches of the Huai River in the flood season (July), dry season (January) and average season (October) during the period from 2006 to 2016 were analyzed. Variations in water quality were analyzed; pollution sources were identified coupling utilization of single factor water quality identification index and multivariate analysis in order to provide some theoretical basis for water management in the upper reaches of the Huai River. It was found that the water quality in flood, dry and average seasons were rather similar. Water quality at Liuan station was the most polluted, NH₄⁺-N and fecal coliforms all exceeded standard for water environment function area. Water quality at other monitoring stations met the standard of water environment function area, indicating that pollution mainly resulted from agricultural runoff of non-point source coal and liquor in flood seasons. The primary pollutants were potassium permanganate index, fecal coli forms, BOD₅, CODCr. Corresponding measures should be taken according to pollution sources. Renovation of water environment, development of ecological agriculture improvement of the waste water treatment efficiency, and increase of recognition of discharge of factory were highlighted from watershed management perspectives.

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