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  Using SWAT+ to support optimal strategies to retain and re-use water and nutrients in small agricultural catchments in Europe

Piniewski, M., Schürz, C., Čerkasova, N., Farkas, C., Nemes, A., Plungė, S., Strauch, M., Szabó, B., Witing, F., Volk, M. (2023): Using SWAT+ to support optimal strategies to retain and re-use water and nutrients in small agricultural catchments in Europe, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3658

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020884 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020884_1
Genre: Conference Paper

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 Creators:
Piniewski, Mikołaj1, Author
Schürz, Christoph1, Author
Čerkasova, Natalja1, Author
Farkas, Csilla1, Author
Nemes, Attila1, Author
Plungė, Svajūnas1, Author
Strauch, Michael1, Author
Szabó, Brigitta1, Author
Witing, Felix1, Author
Volk, Martin1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Natural/Small Water Retention Measures (NSWRMs) can help to mitigate conflicts among agricultural, human and environmental water uses. They can significantly contribute to an improved water quality and an increased resilience against floods and droughts. Although potentials for water and nutrient retention are well studied, knowledge on the effectiveness of different measures is still lacking. The EU Horizon2020 project OPTAIN aims to identify efficient techniques for the retention and reuse of water and nutrients in small agricultural catchments and optimize spatial allocation and combination of NSWRMs based on environmental and economic sustainability indicators. The presentation will focus on the advancements in process-based modeling of NSWRMs using the SWAT+ model. In OPTAIN, we established a modeling protocol aiming to harmonize the SWAT+ model setup process to develop reproducible and transparent model setups and to implement a comprehensive, multi-objective and process-oriented calibration strategy involving the use of both soft and hard data. The newly developed COntiguous object COnnectivity Approach (COCOA) is able to represent features in the landscape at the field scale allowing for a more accurate representation of the measures in the model setup. The second advancement concerns a more realistic simulation of long-term dynamics of crops and a more plausible way of planning farm management operations. Preliminary results for two catchments (Upper Zgłowiączka, Poland and Schwarzer Schöps, Germany) illustrate the implementation of the modeling protocol. We demonstrate the reporting of the simulated catchment water balance and dominant runoff processes and show how selected NSWRMs perform under current and future climate.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-3658
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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