Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 27, issue 6
Articles | Volume 27, issue 6
https://doi.org/10.5194/hess-27-1261-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-27-1261-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 27, issue 6
Research article
 | 
22 Mar 2023
Research article |  | 22 Mar 2023

Seasonal variation and release of soluble reactive phosphorus in an agricultural upland headwater in central Germany

Michael Rode, Jörg Tittel, Frido Reinstorf, Michael Schubert, Kay Knöller, Benjamin Gilfedder, Florian Merensky-Pöhlein, and Andreas Musolff

Supplement

https://doi.org/10.5194/hess-27-1261-2023-supplement

Data sets

Catchment Functioning Under Prolonged Drought Stress: Tracer-Aided Ecohydrological Modeling in an Intensively Managed Agricultural Catchment X. Q. Yang, D. Tetzlaff, C. Soulsby, A. Smith, and D. Borchardt https://doi.org/10.1029/2020WR029094

Model code and software

FINIFLUX (https://agupubs.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1029/2020WR029094&file=2020WR029094-sup-0002-Data+Set+SI-S01.txt) S. Frei and B. S. Gilfedder http://www.hydro.uni-bayreuth.de/hydro/en/software/software/software_dl.php?id_obj=129191

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Short summary
Agricultural catchments show elevated phosphorus (P) concentrations during summer low flow. In an agricultural stream, we found that phosphorus in groundwater was a major source of stream water phosphorus during low flow, and stream sediments derived from farmland are unlikely to have increased stream phosphorus concentrations during low water. We found no evidence that riparian wetlands contributed to soluble reactive (SR) P loads. Agricultural phosphorus was largely buffered in the soil zone.
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