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Related Experiment Video

Updated: Jul 11, 2026

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure

Published on: April 25, 2025

Multireservoir real-time operations for flood control using balanced water level index method.

Chih-Chiang Wei¹, Nien-Sheng Hsu

¹Department of Civil Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 106, Taiwan.

Journal of Environmental Management

|October 10, 2007

Summary

This study introduces a real-time flood control method for reservoirs, comparing two strategies. The balanced water level index (BWLI) method significantly improves reservoir releases to minimize flooding.

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Area of Science:

Hydrology
Water Resource Management
Operations Research

Background:

Flood control in multipurpose multireservoir systems requires effective real-time operation strategies.
Existing methods may not optimally balance flood mitigation with reservoir system stability.

Purpose of the Study:

To develop and evaluate a real-time simulation-optimization procedure for reservoir releases during floods.
To compare two flood-control operation strategies: one using the balanced water level index (BWLI) method and one without.

Main Methods:

A real-time simulation-optimization procedure integrating a hydrological forecasting model and a reservoir operation model.
Formulation of two operation strategies as mixed-integer linear programming (MILP) problems.
Application to the Tanshui River Basin system using typhoon forecast data.

Main Results:

Strategy 2, utilizing the balanced water level index (BWLI) method, significantly outperformed Strategy 1 in determining real-time reservoir releases.
The BWLI method proved effective in minimizing flooding during emergencies.
The system maintained better reservoir balance with Strategy 2.

Conclusions:

The proposed real-time simulation-optimization procedure, particularly with the BWLI method, is effective for flood control in multireservoir systems.
The BWLI method enhances reservoir operation by balancing flood mitigation and system stability.
This approach offers a robust solution for real-time reservoir management during flood events.