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Spatial-Temporal Variation Characteristics and Cause Analysis of Water Quality in Yinma River Basin

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  • WU, Xiaolai
  • WANG, Jing
  • JIANG, Shukun
  • XU, Lei
  • MENG, Xiangzhe

Abstract

In order to comprehensively understand the water quality in Yinma River Basin, and to analyze the spatial-temporal variation characteristics of water quality over the years and the causes of water pollution, 15 sections were selected in the Yinma River Basin. Based on the water quality monitoring data in the past decade, 7 evaluation indexes including dissolved oxygen (DO), 5-day biochemical oxygen demand (BOD5), permanganate index (CODMN), chemical oxygen demand (COD), ammonia nitrogen (NH4-N), total phosphorus (TP) and total nitrogen (TN) were determined, according to the Environmental Quality Standard for Surface Water (GB3838-2002) and the historical monitoring data of rivers. The water quality of 15 sections in Yinma River Basin was comprehensively evaluated, and the water quality categories and the evolution of river water quality were analyzed. The pollution sources of Yinma River Basin were analyzed, and the constructive countermeasures were put forward according to the conclusions.

Suggested Citation

  • WU, Xiaolai & WANG, Jing & JIANG, Shukun & XU, Lei & MENG, Xiangzhe, 2022. "Spatial-Temporal Variation Characteristics and Cause Analysis of Water Quality in Yinma River Basin," Asian Agricultural Research, USA-China Science and Culture Media Corporation, vol. 14(04), April.
    • Handle: RePEc:ags:asagre:330038
    DOI: 10.22004/ag.econ.330038
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    Agribusiness;

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