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Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

A new rule generation method to develop a decision support system for integrated management at river basin scale.

Lorenzo Benedetti¹, Pau Prat, Ingmar Nopens

¹BIOMATH, Department of Applied Mathematics, Biometrics and Process Control, Ghent University, Coupure links 653, Ghent, Belgium. lorenzo.benedetti@ugent.be

Water Science and Technology : a Journal of the International Association on Water Pollution Research

|October 22, 2009

Summary

This study developed an integrated model for urban wastewater management in the Besòs River Basin. It optimizes wastewater treatment plant operations for environmental and economic goals under varying weather conditions.

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Area of Science:

Environmental Engineering
Water Resource Management
River Basin Management

Background:

The Besòs River Basin authority aims for integrated river basin management under the Water Framework Directive (WFD).
Achieving good ecological and chemical status for water bodies by 2015 requires managing complex urban wastewater systems.
The studied system includes two communities, sewer networks, and two wastewater treatment plants (WWTPs) discharging into the same river.

Purpose of the Study:

To develop an integrated model of the river stretch, WWTPs, sewer systems, and draining catchments.
To enable efficient simulation, analysis, and holistic performance optimization of the integrated urban wastewater system (IUWS).
To generate rules for an automatic supervisory management system for both dry and storm weather conditions.

Main Methods:

Development of an integrated model encompassing the river, WWTPs, sewer systems, and catchments.
Utilisation of Monte Carlo simulations to identify optimal operational parameters.
Definition of environmental and economic criteria for performance evaluation.

Main Results:

Identification of the most performing operational parameters for the IUWS under dry and storm weather.
A method for generating rules for an automatic supervisory management system was successfully developed.
The integrated model facilitates holistic system analysis and optimization.

Conclusions:

The developed method enables effective automatic management of the IUWS.
Optimized operational parameters contribute to achieving environmental and economic objectives.
Integrated modeling is crucial for sustainable river basin management and meeting WFD requirements.