Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 26, issue 4
Articles | Volume 26, issue 4
https://doi.org/10.5194/hess-26-955-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-26-955-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 4
Research article
 | 
21 Feb 2022
Research article |  | 21 Feb 2022

Are maps of nitrate reduction in groundwater altered by climate and land use changes?

Ida Karlsson Seidenfaden, Torben Obel Sonnenborg, Jens Christian Refsgaard, Christen Duus Børgesen, Jørgen Eivind Olesen, and Dennis Trolle

Supplement

https://doi.org/10.5194/hess-26-955-2022-supplement

Data sets

Redoxmaps from CRES2016 I. K. Seidenfaden https://doi.org/10.22008/FK2/YEMDIS

Dybden til redoxgrænsen, 100 m grid J. Koch, V. Ernstsen, and A. L. Højberg https://data.geus.dk/MetaVis/Klik.jsp?id=2209&lang=da

Areal Informations Systemet - AIS K. Nielsen, M. Stjernholm, M., B. Ø. Olsen, D.-I. Müller-Wohlfeil, I.-L. Madsen, A. Kjeldgaard, G. Groom, H. S. Hansen, A. M. Rolev, B. Hermansen, H. Skov-Petersen, V. K. Johannsen, M. Hvidberg, J. E. Jensen, V. Bacher, and H. Larsen https://www.dmu.dk/1_Viden/2_Miljoe-tilstand/3_samfund/AIS/2_Rapport/ais_rapport.pdf

Statistical regional registrated annual mean yields Statistikbanken https://www.statistikbanken.dk/jord3

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Short summary
This study investigates how the spatial nitrate reduction in the subsurface may shift under changing climate and land use conditions. This change is investigated by comparing maps showing the spatial nitrate reduction in an agricultural catchment for current conditions, with maps generated for future projected climate and land use conditions. Results show that future climate flow paths may shift the catchment reduction noticeably, while implications of land use changes were less substantial.
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