Journal of Natural Resources, Volume. 35, Issue 6, 1338(2020)

Spatiotemporal variations of surface water quality of main rivers in the upper reaches of Yongding River

Zhi-jiang SHAO1,2,3, Bin ZHENG1,3, and Tao WANG1,3、*
Author Affiliations
  • 1Institute of Mountain Hazards and Environment, CAS and Ministry of Water Resources, Chengdu 610041, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Key Laboratory of Mountain Surface Process and Ecological Regulation, CAS, Chengdu 610041, China
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    Figures & Tables(7)
    Overview of the study area and schematic diagram of the monitoring section
    Spatial variation of five-year average comprehensive pollution index in Zhangjiakou
    The variations of comprehensive pollution index of different sections in Zhangjiakou from 2013 to 2017
    • Table 1. Nemero pollution index corresponding to water quality category

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      Table 1. Nemero pollution index corresponding to water quality category

      水质类别Ⅰ类Ⅱ类Ⅲ类Ⅳ类Ⅴ类
      PP<0.800.80≤P<0.870.87≤P<1.001.00≤P<1.611.61≤P<2.33
      等级划分清洁较清洁轻(度)污染中(度)污染重(度)污染
    • Table 2. Evaluation of water quality in current situation

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      Table 2. Evaluation of water quality in current situation

      河流断面名称单因子评价内梅罗指数法
      水质类别主要污染物评价指数水质级别
      洋河左卫0.77清洁
      响水铺氟化物0.91轻污染
      鸡鸣驿1.05中污染
      八号桥总磷1.12中污染
      桑干河石匣里0.74清洁
      温泉屯0.67清洁
      小渡口0.65清洁
      清水河北泵房0.74清洁
      老鸦庄0.98轻污染
    • Table 3. Annual flux statistics of different river pollutants in 2017

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      Table 3. Annual flux statistics of different river pollutants in 2017

      污染物清水河贡献率/%桑干河贡献率/%洋河贡献率/%
      DO/(t/a)5.90922.563634.8255
      NH4+-N/(t/a)0.19100.46231.3667
      高锰酸盐指数/(t/a)3.45147.253013.8756
      TP/(t/a)0.08100.12160.6074
      COD/(t/a)11.071134.763553.8854
      生化需氧量/(t/a)2.90232.96246.5353
      F/(t/a)0.4181.66313.1961
      流量/亿m30.07100.26360.3854
    • Table 4. Comprehensive pollution index of each section in different seasons

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      Table 4. Comprehensive pollution index of each section in different seasons

      河流监测断面春季夏季秋季冬季
      综合污
      染指数
      水质
      级别
      综合污
      染指数
      水质
      级别
      综合污染指数水质
      级别
      综合污染指数水质
      级别
      洋河左卫0.76清洁0.84较清洁0.77清洁
      八号桥0.93轻污染0.96轻污染0.97轻污染
      响水铺1.12中污染1.02中污染0.95轻污染
      鸡鸣驿1.09中污染0.93轻污染0.94轻污染
      桑干河石匣里0.80较清洁0.79清洁0.78清洁
      温泉屯0.77清洁0.67清洁0.70清洁
      小渡口0.74清洁0.67清洁0.71清洁
      清水河老鸦庄0.85较清洁0.83较清洁0.76清洁
      北泵房0.87轻污染0.75清洁0.82较清洁
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    Zhi-jiang SHAO, Bin ZHENG, Tao WANG. Spatiotemporal variations of surface water quality of main rivers in the upper reaches of Yongding River[J]. Journal of Natural Resources, 2020, 35(6): 1338

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    Paper Information

    Received: Jul. 1, 2019

    Accepted: --

    Published Online: Oct. 17, 2020

    The Author Email: Tao WANG (wangt@imde.ac.cn)

    DOI:10.31497/zrzyxb.20200607

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