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  1. Home
  3. Ecological Compensation Mechanism Controlled By Both River Ecological Water Demand And Regional Water Rights.
  1. Home
  3. Ecological Compensation Mechanism Controlled By Both River Ecological Water Demand And Regional Water Rights.

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Watershed Planning within a Quantitative Scenario Analysis Framework
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Ecological compensation mechanism controlled by both river ecological water demand and regional water rights.

Xinjian Guan1, Tianhao Ruan1, Yu Meng1

  • 1School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou, Henan 450001, PR China; Yellow River Laboratory, Zhengzhou University, Zhengzhou, Henan 450001, PR China.

The Science of the Total Environment
|September 9, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

This study proposes a new ecological compensation mechanism for rivers, integrating ecological water needs with water rights allocation. It quantifies compensation based on water value, crucial for sustainable water resource management.

Keywords:
Compensation mechanismCompensation valueControl thresholdRiver ecological water demandUnit water priceWater rights allocation

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Area of Science:

  • Environmental Science
  • Water Resource Management
  • Ecological Economics

Background:

  • River ecological protection and water resource utilization are vital for sustainable development.
  • Existing research lacks ecological compensation mechanisms addressing both river ecological water demand and socio-economic water demand.

Purpose of the Study:

  • To propose a novel mechanism and methodology for ecological compensation based on synergistic control of river ecological water demand and water rights allocation.
  • To establish a dual-threshold synergistic control framework for quantifying and sharing compensation funds.

Main Methods:

  • Applied the variable monthly flow method and an improved dynamic calculation method to determine ecological water demands.
  • Developed a two-layer decision model for cascading water rights allocation from city to county to sector levels.
  • Established compensation discrimination guidelines and used sub-sector water resource value as a compensation standard.

    • Main Results:

    • Calculated ecological compensation values for the Bai River basin: 0 (wet year), 15.09 × 10^8 RMB (normal year), and 12.04 × 10^8 RMB (average dry years).
    • Identified internal compensation needs between Nanyang and Xinye counties due to increased ecological protection requirements.
    • Observed a chain of compensation situations downstream caused by upstream excessive water intake during low-runoff periods.

    Conclusions:

    • The proposed mechanism effectively quantifies and shares ecological compensation funds.
    • A basin and regionally nested ecological compensation mechanism is essential for effective water resource management.
    • The findings contribute to eco-compensation theory and provide references for high-quality basin development.