Articles | Volume 24, issue 3
https://doi.org/10.5194/hess-24-1189-2020
https://doi.org/10.5194/hess-24-1189-2020
Research article
 | 
12 Mar 2020
Research article |  | 12 Mar 2020

On the conceptual complexity of non-point source management: impact of spatial variability

Christopher Vincent Henri, Thomas Harter, and Efstathios Diamantopoulos

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (further review by editor) (07 Jan 2020) by Brian Berkowitz
AR by Christopher Henri on behalf of the Authors (18 Jan 2020)  Author's response   Manuscript 
ED: Publish as is (22 Jan 2020) by Brian Berkowitz
AR by Christopher Henri on behalf of the Authors (23 Jan 2020)
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Short summary
Non-point source contaminations of aquifers are complex to model, predict and manage. This study uses numerical and stochastic methods to address the importance of key sources of spatial variability. We show that heterogeneity in recharge and contaminant loading does not significantly impact management metrics and could be simplified. Also, homogenizing physical properties has more impact on predictions, but can provide useful information on concentration statistics in a regional analysis.