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Related Experiment Videos

Design rules and impact assessment for source control measures based on continuous long-term simulations.

G Vaes1, J Berlamont

  • 1Hydraulics Laboratory, University of Leuven, Heverlee, Belgium. guido.vaes@bwk.kuleuven.ac.be

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|May 7, 2002
PubMed
Summary

Source control measures reduce urban runoff by using storage and infiltration. Long-term simulations are essential for designing these systems effectively due to variable rainfall and facility emptying times.

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Area of Science:

  • Environmental Engineering
  • Urban Hydrology
  • Water Resource Management

Background:

  • Growing emphasis on source control measures to mitigate urban runoff during wet weather.
  • Implementation includes upstream storage, infiltration facilities, rainwater harvesting, and ditch revaluation.
  • Challenges in design stem from long emptying times and non-linearly varying outflows of control facilities.

Purpose of the Study:

  • To establish design rules for source control measures in Flanders.
  • To address the impact of long antecedent rainfall periods on facility design.
  • To account for the complexities of non-linear outflow variations in storage facilities.

Main Methods:

  • Continuous simulations using long-term rainfall series.
  • Analysis of rainfall variability and its influence on required storage volumes.

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  • Development of design guidelines based on simulation outcomes.

    • Main Results:

    • Validated the necessity of continuous, long-term simulations for accurate storage volume assessment.
    • Identified key design parameters influenced by rainfall variability and antecedent conditions.
    • Established a set of design rules tailored for source control measures in Flanders.

    Conclusions:

    • Long-term simulations are critical for optimizing the design of urban source control measures.
    • The developed design rules provide a robust framework for implementing effective stormwater management in Flanders.
    • Source control strategies are vital for sustainable urban water management and reducing peak runoff.