Articles | Volume 19, issue 22
Biogeosciences, 19, 5287–5311, 2022
https://doi.org/10.5194/bg-19-5287-2022
Biogeosciences, 19, 5287–5311, 2022
https://doi.org/10.5194/bg-19-5287-2022
Research article
22 Nov 2022
Research article | 22 Nov 2022

Forest–atmosphere exchange of reactive nitrogen in a remote region – Part II: Modeling annual budgets

Pascal Wintjen et al.

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Revised manuscript accepted for AMT
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Cited articles

Ahrends, B., Schmitz, A., Prescher, A.-K., Wehberg, J., Geupel, M., Henning, A., and Meesenburg, H.: Comparison of Methods for the Estimation of Total Inorganic Nitrogen Deposition to Forests in Germany, Front. Forest. Glob. Change, 3, 1–22, https://doi.org/10.3389/ffgc.2020.00103, 2020. 
Ammann, C., Wolff, V., Marx, O., Brümmer, C., and Neftel, A.: Measuring the biosphere-atmosphere exchange of total reactive nitrogen by eddy covariance, Biogeosciences, 9, 4247–4261, https://doi.org/10.5194/bg-9-4247-2012, 2012. 
Ammann, C., Jocher M., and Voglmeier, K.: Eddy Covariance Flux Measurements of NH3 and NOy with a Dual-Channel Thermal Converter, IEEE International Workshop on Metrology for Agriculture and Forestry (MetroAgriFor), IEEE, 46–51, https://doi.org/10.1109/MetroAgriFor.2019.8909278, 2019. 
Barr, A., Richardson, A., Hollinger, D., Papale, D., Arain, M., Black, T., Bohrer, G., Dragoni, D., Fischer, M., Gu, L., Law, B., Margolis, H., McCaughey, J., Munger, J., Oechel, W., and Schaeffer, K.: Use of change-point detection for friction–velocity threshold evaluation in eddy covariance studies, Agr. Forest Meteorol., 171/172, 31–45, https://doi.org/10.1016/j.agrformet.2012.11.023, 2013. 
Beudert, B. and Breit, W.: Kronenraumbilanzen zur Abschätzung der Stickstoffgesamtdeposition in Waldökosysteme des Nationalparks Bayerischer Wald, techreport, Umweltbundesamt, Dessau-Roßlau, Germany, https://www.umweltbundesamt.de/sites/default/files/medien/370/dokumente/kronenraumbilanzen_stickstoffgesamtdeposition_nationalpark_bayerisches_wald_-_berichtsjahr_2013_im_forellenbach.pdf (last access: 14 March 2022), 2014. 
Short summary
For the first time, we compared four methods for estimating the annual dry deposition of total reactive nitrogen into a low-polluted forest ecosystem. In our analysis, we used 2.5 years of flux measurements, an in situ modeling approach, a large-scale chemical transport model (CTM), and canopy budget models. Annual nitrogen dry deposition budgets ranged between 4.3 and 6.7 kg N ha−1 a−1, depending on the applied method.
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