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Updated: Apr 26, 2026

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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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Spatial and dynamic simulation for Miyun Reservoir waters in Beijing
1Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, China. jhf@tsinghua.edu.cn
Summary
A new integrated model system combining GIS and WASP5 helps manage Miyun Reservoir water quality. Banning cage fisheries improves water quality, while low water levels may trigger algae blooms.
Area of Science:
- Environmental Science
- Water Resource Management
- Ecological Modeling
Background:
- Miyun Reservoir is a critical water source requiring effective management strategies.
- Understanding spatial and dynamic water quality changes is essential for reservoir health.
Purpose of the Study:
- To develop and validate an integrated spatial and dynamic simulation model for Miyun Reservoir.
- To assess the impact of different management scenarios on reservoir water quality.
Main Methods:
- Integration of Geographic Information Systems (GIS) with the Water Quality Analysis Simulation Program (WASP5).
- Calibration and verification of the integrated model using field data.
- Scenario analysis to predict water quality responses.
Main Results:
- The integrated model system accurately characterized Miyun Reservoir's water quality dynamics.
- Banning cage fisheries is predicted to improve overall water quality.
- Low water stages, with unchanged pollutant loads, may lead to algae blooms.
Conclusions:
- The GIS-WASP5 integrated model is a valuable tool for Miyun Reservoir water quality management.
- Proactive measures, such as regulating fisheries and managing water levels, are crucial for preventing water quality degradation and algae blooms.
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