Articles | Volume 17, issue 21
https://doi.org/10.5194/gmd-17-7889-2024
https://doi.org/10.5194/gmd-17-7889-2024
Model description paper
 | 
07 Nov 2024
Model description paper |  | 07 Nov 2024

Biological nitrogen fixation of natural and agricultural vegetation simulated with LPJmL 5.7.9

Stephen Björn Wirth, Johanna Braun, Jens Heinke, Sebastian Ostberg, Susanne Rolinski, Sibyll Schaphoff, Fabian Stenzel, Werner von Bloh, Friedhelm Taube, and Christoph Müller

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Cited articles

Arain, M. A., Yuan, F., and Andrew Black, T.: Soil–Plant Nitrogen Cycling Modulated Carbon Exchanges in a Western Temperate Conifer Forest in Canada, Agr. Forest Meteorol., 140, 171–192, https://doi.org/10.1016/j.agrformet.2006.03.021, 2006. a
Becker, M., Ladha, J. K., and Ali, M.: Green Manure Technology: Potential, Usage, and Limitations. A Case Study for Lowland Rice, in: Management of Biological Nitrogen Fixation for the Development of More Productive and Sustainable Agricultural Systems: Extended Versions of Papers Presented at the Symposium on Biological Nitrogen Fixation for Sustainable Agriculture at the 15th Congress of Soil Science, Acapulco, Mexico, 1994, edited by: Ladha, J. K. and Peoples, M. B., Developments in Plant and Soil Sciences, Springer Netherlands, Dordrecht, 181–194, https://doi.org/10.1007/978-94-011-0053-3_8, 1995. a
Beringer, T., Lucht, W., and Schaphoff, S.: Bioenergy Production Potential of Global Biomass Plantations under Environmental and Agricultural Constraints, GCB Bioenergy, 3, 299–312, https://doi.org/10.1111/j.1757-1707.2010.01088.x, 2011. a
Bodirsky, B. L., Popp, A., Weindl, I., Dietrich, J. P., Rolinski, S., Scheiffele, L., Schmitz, C., and Lotze-Campen, H.: N2O emissions from the global agricultural nitrogen cycle – current state and future scenarios, Biogeosciences, 9, 4169–4197, https://doi.org/10.5194/bg-9-4169-2012, 2012. a
Bondeau, A., Smith, P. C., Zaehle, S., Schaphoff, S., Lucht, W., Cramer, W., Gerten, D., Lotze-Campen, H., Müller, C., Reichstein, M., and Smith, B.: Modelling the Role of Agriculture for the 20th Century Global Terrestrial Carbon Balance, Glob. Change Biol., 13, 679–706, https://doi.org/10.1111/j.1365-2486.2006.01305.x, 2007. a
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Short summary
We present a new approach to modelling biological nitrogen fixation (BNF) in the Lund–Potsdam–Jena managed Land dynamic global vegetation model. While in the original approach  BNF depended on actual evapotranspiration, the new approach considers soil water content and temperature, vertical root distribution, the nitrogen (N) deficit and carbon (C) costs. The new approach improved simulated BNF compared to the scientific literature and the model ability to project future C and N cycle dynamics.
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