Evaluation of an improved modelling approach for the retention of heavy metals in SUDS soil

Damien Tedoldi 1, 2 Ghassan Chebbo 1 Arthur Gaillot 1 Daniel Pierlot 2 Marie-Christine Gromaire 1
1 LEESU - Laboratoire Eau Environnement et Systèmes Urbains
2 SEPIA Conseils (entreprise)
Abstract : The ability of reactive transport models to accurately replicate the fate of contaminants in SUDS has been sparsely documented. The present work aims (i) to improve the description of the processes, including non-uniform fluxes at the surface, and (ii) to use extensive experimental data, collected in a stormwater infiltration basin, to evaluate the model's accuracy. Both the model and observations confirm that most infiltration occurs near the water inlet. Differences between the measured and predicted profiles are either attributable to the filtration of particle-bound metals, or to spatially variable sorption capacities of the soil – notably because of lower contents of organic matter.
Keywords : Validation Sustainable Urban Drainage Systems Soil Runoff infiltration Modelling Contamination profiles
Type de document :
Communication dans un congrès
International Conference on Urban Drainage, 2017, Prague, Czech Republic
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Soumis le : lundi 23 octobre 2017 - 13:31:27
Dernière modification le : jeudi 1 février 2018 - 12:20:04
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Damien Tedoldi, Ghassan Chebbo, Arthur Gaillot, Daniel Pierlot, Marie-Christine Gromaire. Evaluation of an improved modelling approach for the retention of heavy metals in SUDS soil. International Conference on Urban Drainage, 2017, Prague, Czech Republic. 〈hal-01621396〉

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