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Characteristics of Hydro-Geochemistry and Groundwater Pollution in Songnen Plain in Northeastern China

Author

Listed:
  • Ruihui Chen

    (Key Laboratory of Nonpoint Source Pollution Control, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Linmei Liu

    (College of Water Sciences, Beijing Normal University, Beijing 100875, China)

  • Yi Li

    (School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, China)

  • Yuanzheng Zhai

    (College of Water Sciences, Beijing Normal University, Beijing 100875, China)

  • Haiyang Chen

    (College of Water Sciences, Beijing Normal University, Beijing 100875, China)

  • Bin Hu

    (Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100045, China)

  • Qianru Zhang

    (Key Laboratory of Nonpoint Source Pollution Control, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Yanguo Teng

    (College of Water Sciences, Beijing Normal University, Beijing 100875, China)

Abstract

Agricultural production may cause groundwater pollution. This study investigated the characteristics of shallow groundwater pollution in a typical black land agricultural production area in Northeastern China and the geochemical behavior of major pollutants. A total of 27 and 23 shallow groundwater samples were collected for measuring on-site parameters and major components in 2000 and 2014, respectively. The improved integrated approach was used to assess groundwater contamination. The results showed that the groundwater was slightly polluted by agricultural activities. The average concentrations of major ions of shallow groundwater were found to be in the following order: Ca 2+ > Na + > Mg 2+ > K + for cations and HCO 3 − > SO 4 2− > Cl − > NO 3 − for anions. Percentages of 7.4% and 34.8% of the total groundwater sample in 2000 and 2014, respectively, indicated that the shallow groundwater quality has gradually worsened in the past few decades. The concentration of NO 3 − was a major factor that influenced the observed groundwater quality changes. Scientific and effective fertilization of rice cultivation is an effective way to avoid groundwater pollution, and the improved groundwater quality evaluation methods can further improve the standard of groundwater resource management effectively.

Suggested Citation

  • Ruihui Chen & Linmei Liu & Yi Li & Yuanzheng Zhai & Haiyang Chen & Bin Hu & Qianru Zhang & Yanguo Teng, 2022. "Characteristics of Hydro-Geochemistry and Groundwater Pollution in Songnen Plain in Northeastern China," Sustainability, MDPI, vol. 14(11), pages 1-16, May.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:11:p:6527-:d:825014
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