Articles | Volume 21, issue 10
https://doi.org/10.5194/hess-21-5243-2017
https://doi.org/10.5194/hess-21-5243-2017
Research article
 | 
18 Oct 2017
Research article |  | 18 Oct 2017

Pesticide fate on catchment scale: conceptual modelling of stream CSIA data

Stefanie R. Lutz, Ype van der Velde, Omniea F. Elsayed, Gwenaël Imfeld, Marie Lefrancq, Sylvain Payraudeau, and Boris M. van Breukelen

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by Editor and Referees) (07 Aug 2017) by Bettina Schaefli
AR by Stefanie Lutz on behalf of the Authors (12 Aug 2017)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (14 Aug 2017) by Bettina Schaefli
RR by Anonymous Referee #2 (16 Aug 2017)
RR by Enrico Bertuzzo (31 Aug 2017)
ED: Publish as is (05 Sep 2017) by Bettina Schaefli
AR by Stefanie Lutz on behalf of the Authors (07 Sep 2017)
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Short summary
This study presents concentration and carbon isotope data of two herbicides from a small agricultural catchment. Herbicide concentrations at the catchment outlet were highest after intense rainfall events. The isotope data indicated herbicide degradation within 2 months after application. The system was modelled with a conceptual mathematical model using the transport formulation by travel-time distributions, which allowed testing of various assumptions of pesticide transport and degradation.