Articles | Volume 385
https://doi.org/10.5194/piahs-385-135-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-385-135-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Tracing and hydraulic modelling to assess the hydraulic performance of a constructed wetland
Bruno J. Lemaire
CORRESPONDING AUTHOR
Université Paris-Saclay, INRAE, Hydrosystèmes Continentaux Anthropisés – Ressources, Risques, Restauration, 92761, Antony, France
Université Paris-Saclay, AgroParisTech, 75005, Paris, France
Cédric Chaumont
Université Paris-Saclay, INRAE, Hydrosystèmes Continentaux Anthropisés – Ressources, Risques, Restauration, 92761, Antony, France
Julien Tournebize
Université Paris-Saclay, INRAE, Hydrosystèmes Continentaux Anthropisés – Ressources, Risques, Restauration, 92761, Antony, France
Hocine Henine
Université Paris-Saclay, INRAE, Hydrosystèmes Continentaux Anthropisés – Ressources, Risques, Restauration, 92761, Antony, France
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Short summary
The potential of constructed wetland to remove nitrate and pesticides increases with the residence time. The aim of this work is to investigate how the hydraulic performance changes with the flow rate in a party vegetated wetland, using the 3D hydrodynamic model. It was calibrated on continuous outflow concentration and tracing experiment. The simulation matched satisfactorily with observation. Results showed a limited increase of the hydraulic performance with the flow rate.
The potential of constructed wetland to remove nitrate and pesticides increases with the...