Modelling sustainable drainage and decentralised flood mitigation techniques

Assessing the performance of decentralised flood mitigation practices requires novel hydrological modelling approaches that can handle a large number of spatially distributed measures and enables a water redistribution functionality to simulate exceedance flow control. This becomes one of the key tasks of the stormwater management in urban areas considering the present and future conditions mainly driven by climate change and urban growth. A combination of local drainage systems and water retention in public spaces may provide an appropriate strategy to cope with these effects. This paper presents the implementation of a SUDS modelling approach in a semi-distributed hydrological model that enables the simulation of flow among multiple linked SUDS and retention spaces. The objectives of the implemented model are the representation of SUDS as model elements with water redistribution functionality as well as its possible integration into a flood risk management tool. The application of this model is presented for two case studies in Germany. The results show a high potential for SUDS and multipurpose spaces in flood mitigation management.

Subjects

Adaptation

SUDS

hydrologic modelling

flood modelling

DDC Class

550: Geowissenschaften

620: Ingenieurwissenschaften

710: Landschaftsgestaltung, Raumplanung

Funding Organisations

Bundesministerium für Bildung und Forschung

More Funding Information

The work described in this paper has been supported by a grant from the German Ministry for Education and Research (BMBF) as part of its KLIMZUG-Nord initiative.

Publication version

publishedVersion

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http://rightsstatements.org/vocab/InC/1.0/

Name

Hellmers, Palmaricciotti et al 2014 - Modelling sustainable drainage and decentralised.pdf

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1.81 MB

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Modelling sustainable drainage and decentralised flood mitigation techniques