Articles | Volume 10, issue 5
https://doi.org/10.5194/amt-10-1875-2017
https://doi.org/10.5194/amt-10-1875-2017
Research article
 | 
29 May 2017
Research article |  | 29 May 2017

Ammonia emissions from a grazed field estimated by miniDOAS measurements and inverse dispersion modelling

Michael Bell, Chris Flechard, Yannick Fauvel, Christoph Häni, Jörg Sintermann, Markus Jocher, Harald Menzi, Arjan Hensen, and Albrecht Neftel

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Cited articles

Asman, W. A. H.: Factors influencing local dry deposition of gases with special reference to ammonia, Atmos. Environ., 32, 415–421, https://doi.org/10.1016/S1352-2310(97)00166-0, 1998.
Asman, W. A. H., Sutton, M. A., and Schjorring, J. K.: Ammonia: emission, atmospheric transport and deposition, New Phytol., 139, 27–48, https://doi.org/10.1046/j.1469-8137.1998.00180.x, 1998.
Bell, M.: Dataset for article “Ammonia emissions from a grazed field estimated by miniDOAS measurements and inverse dispersion modelling”, https://doi.org/10.5281/zenodo.576053, 2016.
Bracher, A., Schlegel, P., Münger, A., Stoll, W., and Menzi, H.: Möglichkeiten zur Reduktion von Ammoniakemissionen durch Fütterungsmassnahmen beim Rindvieh (Milchkuh). Project report Schweizerische Hochschule für Landwirtschaft and Agroscope Liebefeld-Posieux for the Swiss Federal Office of Agriculture, 128 pp., available at: https://www.blw.admin.ch/blw/de/home/instrumente/ressourcen–und-gewaesserschutzprogramm/ressourcenprogramm.html (last access: 4 October 2016), 2011.
Bracher, A., Spring, P., Münger, A., Schlegel, P., Stoll, W., and Menzi, H.: Feeding measures to reduce ammonia emissions, Proc. International Symposium on Emissions of Gas and Dust from Livestock (EMILI), 11–13 June 2012, Saint-Malo, France, edited by: Hassouna, M. and Guingand, N., p. 39, 2012.
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Short summary
This study applies horizontal concentration gradient measurements and inverse dispersion modelling to evaluate ammonia emissions from cattle grazing. The results can contribute to an emission factor for cattle grazing, where emissions where found to be towards the lower end of the range found in the limited number of existing studies. The influences of ammonia deposition, uneven urine patch distribution and climate conditions are discussed.
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