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Assessment and Management of Pressure on Water Quality Protection along the Middle Route of the South-to-North Water Diversion Project

Author

Listed:
  • Baolong Han

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Nan Meng

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Jiatian Zhang

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
    College of Environment and Planning, Henan University, Kaifeng 475004, China)

  • Wenbo Cai

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Tong Wu

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Lingqiao Kong

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Zhiyun Ouyang

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

Abstract

Water scarcity in densely populated areas is a global concern. In China, ensuring water supply and quality in the middle of the South-to-North Water Diversion Project has become a major challenge due to the complexity and diversity of landscape features and the trunk canal construction in the crossing area of this route. Precise assessments of the pressures on water protection along the route are urgently needed. This article provides a rigorous methodological framework to assess water quality protection, identifying the intensity of human disturbance along the route within 2-km radius buffer areas on both sides of the trunk canal, based on land-use changes from 2005 to 2015. The results show that more than 10,000 ha of pervious surfaces were transformed into impervious surfaces, leading to undesirable outcomes. The results of this study can be used for decisive support in China’s environmental management, such as with main functional zoning policy and ecological red lines policy.

Suggested Citation

  • Baolong Han & Nan Meng & Jiatian Zhang & Wenbo Cai & Tong Wu & Lingqiao Kong & Zhiyun Ouyang, 2019. "Assessment and Management of Pressure on Water Quality Protection along the Middle Route of the South-to-North Water Diversion Project," Sustainability, MDPI, vol. 11(11), pages 1-14, May.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:11:p:3087-:d:236081
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    References listed on IDEAS

    as
    1. Liguo Zhang & Zhanqi Wang & Ji Chai & Yongpeng Fu & Chao Wei & Ying Wang, 2019. "Temporal and Spatial Changes of Non-Point Source N and P and Its Decoupling from Agricultural Development in Water Source Area of Middle Route of the South-to-North Water Diversion Project," Sustainability, MDPI, vol. 11(3), pages 1-23, February.
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    Cited by:

    1. Junju Zhou & Juan Xiang & Lanying Wang & Guoshuang Zhong & Guofeng Zhu & Chunfang Liu & Meihua Huang & Wei Feng & Qiaoqiao Li & Dongxiang Xue & Yaru Zhao & Li Lei, 2019. "The Impacts of Groundwater Chemistry on Wetland Vegetation Distribution in the Northern Qinghai–Tibet Plateau," Sustainability, MDPI, vol. 11(18), pages 1-15, September.

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