Investigation of the wash-off process using an innovative portable rainfall simulator allowing continuous monitoring of flow and turbidity at the urban surface outlet

Abstract : For the first time, this paper develops an integrated and spatially-distributed modelling approach, linking atmospheric deposition, soil erosion and sewer transport models, to assess the transfer of traffic-related pollutants in urban areas. The modelling system is applied to a small urban catchment near Paris. Two modelling scenarios are tested by using experimentally estimated and simulated atmospheric dry deposits. Simulation results are compared with continuous measurements of water flow and total suspended solids (TSS) at the catchment outlet. The performance of water flow and TSS simulations are satisfying with the calibrated parameters; however, no significant difference can be noticed at the catchment outlet between the two scenarios due to the “first flush” effects. Considering the Cu, BaP and BbF contents of different particle size classes, simulated event mean concentration of each pollutant is compared with local in-situ measurements. Finally, perspectives to improve model performance and experimental techniques are discussed.
Type de document :
Article dans une revue
Science of the Total Environment, Elsevier, 2017, 609, pp.17 - 26. 〈10.1016/j.scitotenv.2017.07.106〉
Liste complète des métadonnées

https://hal-enpc.archives-ouvertes.fr/hal-01578000
Contributeur : Céline Bonhomme <>
Soumis le : lundi 28 août 2017 - 15:31:35
Dernière modification le : mardi 10 octobre 2017 - 12:06:01

Identifiants

Citation

Saja Al Ali, Céline Bonhomme, Philippe Dubois, Ghassan Chebbo. Investigation of the wash-off process using an innovative portable rainfall simulator allowing continuous monitoring of flow and turbidity at the urban surface outlet. Science of the Total Environment, Elsevier, 2017, 609, pp.17 - 26. 〈10.1016/j.scitotenv.2017.07.106〉. 〈hal-01578000〉

Partager

Métriques

Consultations de la notice

75