Articles | Volume 25, issue 2
https://doi.org/10.5194/hess-25-497-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-25-497-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Pesticide peak concentration reduction in a small vegetated treatment system controlled by chemograph shape
Jan Greiwe
CORRESPONDING AUTHOR
Hydrology, University of Freiburg, Friedrichstr. 39, 79098 Freiburg,
Germany
Oliver Olsson
Institute of Sustainable and Environmental Chemistry, Leuphana
University of Lüneburg, Scharnhorststr. 1, 21335 Lüneburg, Germany
Klaus Kümmerer
Institute of Sustainable and Environmental Chemistry, Leuphana
University of Lüneburg, Scharnhorststr. 1, 21335 Lüneburg, Germany
Jens Lange
Hydrology, University of Freiburg, Friedrichstr. 39, 79098 Freiburg,
Germany
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Short summary
We investigated the linkage between contaminant mobilization in catchments and their mitigation in vegetated treatment systems (VTSs). We identified different patterns in chemographs recorded at the inlet of a VTS, indicating distinct mobilization patterns that were associated with similar source areas, transport pathways, and discharge dynamics. Peak concentration reduction in the VTS was strongest for sharp-peaked chemographs, suggesting that dispersion was the principle mitigation process.
We investigated the linkage between contaminant mobilization in catchments and their mitigation...