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Integration of a detailed biogeochemical model into SWAT for improved nitrogen predictions—Model development, sensitivity, and GLUE analysis

Author

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  • Pohlert, T.
  • Huisman, J.A.
  • Breuer, L.
  • Frede, H.-G.

Abstract

In this study, the Soil and Water Assessment Tool (SWAT) was extended with algorithms from a detailed nitrogen turnover model to enhance the model performance with regard to the prediction of nitrogen leaching. The new model, which is further referred to as SWAT-N, includes algorithms for decomposition, growth of nitrifying bacteria, nitrification, nitrificatory as well as denitrificatory N-emissions, N-uptake by plants and N transport due to water fluxes. The model was tested with a lysimeter dataset of a long term fertilisation experiment including crop rotation conducted in Eastern Germany.

Suggested Citation

  • Pohlert, T. & Huisman, J.A. & Breuer, L. & Frede, H.-G., 2007. "Integration of a detailed biogeochemical model into SWAT for improved nitrogen predictions—Model development, sensitivity, and GLUE analysis," Ecological Modelling, Elsevier, vol. 203(3), pages 215-228.
    • Handle: RePEc:eee:ecomod:v:203:y:2007:i:3:p:215-228
    DOI: 10.1016/j.ecolmodel.2006.11.019
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    Cited by:

    1. Kim, Jung-Woo & Pachepsky, Yakov A. & Shelton, Daniel R. & Coppock, Cary, 2010. "Effect of streambed bacteria release on E. coli concentrations: Monitoring and modeling with the modified SWAT," Ecological Modelling, Elsevier, vol. 221(12), pages 1592-1604.
    2. Wu, Wenbin & Shibasaki, Ryosuke & Yang, Peng & Tan, Guoxin & Matsumura, Kan-ichiro & Sugimoto, Kenji, 2007. "Global-scale modelling of future changes in sown areas of major crops," Ecological Modelling, Elsevier, vol. 208(2), pages 378-390.
    3. Cambier, C. & Bousso, M. & Masse, D. & Perrier, E., 2007. "A new, offer versus demand, modelling approach to assess the impact of micro-organisms spatio-temporal population dynamics on soil organic matter decomposition rates," Ecological Modelling, Elsevier, vol. 209(2), pages 301-313.

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