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The multi-user evolutionary game simulation in water quality-based water source system.

Shibao Lu1, Xiaohe Wu1, Huaping Sun2

  • 1School of Public Administration, Zhejiang University of Finance and Economics, Hangzhou, 310018, China.

Environmental Geochemistry and Health
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Summary
This summary is machine-generated.

Water resource conflicts, particularly concerning water quality, often arise between upstream and downstream regions. This study identifies specific non-cooperation strategies as the most likely evolutionary stable outcome in these cross-border water disputes.

Keywords:
ControlPre-warningSimulationTrilateral gameWater-quality conflict

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Area of Science:

  • Environmental Science
  • Game Theory
  • Water Resource Management

Background:

  • Water is essential for human life and ecosystem health.
  • Cross-border water resource conflicts impede economic development and societal stability.

Purpose of the Study:

  • To develop an evolution game model for water quality conflicts among upstream, middle, and downstream regions.
  • To analyze the evolutionary stable strategies in cross-border water resource disputes.

Main Methods:

  • Constructed a trilateral evolution game model for water quality conflict.
  • Analyzed evolutionary stable strategies using a cross-border water resource conflict warning system.
  • Verified conclusions through numerical simulations and sensitivity analysis.

Main Results:

  • Identified three stable strategy groups: (non-cooperation, non-cooperation, cooperation), (cooperation, non-cooperation, cooperation), and (non-cooperation, cooperation, cooperation).
  • Numerical simulations indicated that upstream and middle reaches are most prone to conflict, favoring a (non-cooperation, non-cooperation, cooperation) strategy.
  • Increased compensation costs due to pollutant transfer significantly influence water-intaking group strategies.

Conclusions:

  • The study provides insights into the dynamics of cross-border water quality conflicts.
  • Findings are crucial for managing water quality and quantity disputes and achieving water resource management goals.