Articles | Volume 12, issue 11
https://doi.org/10.5194/amt-12-6059-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-12-6059-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Nov 2019
Research article |
| 21 Nov 2019
| 21 Nov 2019
Measurements and quality control of ammonia eddy covariance fluxes: a new strategy for high-frequency attenuation correction
Department of Chemistry, University of Toronto, Toronto, ON M5S 3H6,
Canada
now at: Department of Chemistry, York University, Toronto, ON M3J 1P3,
Canada
Saumya Singh
Department of Chemistry, University of Toronto, Toronto, ON M5S 3H6,
Canada
Elizabeth Pattey
Agriculture and Agri-Food Canada, Ottawa, ON K1A 0C6, Canada
Luc Pelletier
Agriculture and Agri-Food Canada, Ottawa, ON K1A 0C6, Canada
Jennifer G. Murphy
Department of Chemistry, University of Toronto, Toronto, ON M5S 3H6,
Canada
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Saved (final revised paper)
Latest update: 12 Oct 2026
Short summary
Determination of ecosystem exchange fluxes using the eddy covariance technique requires measurements with a fast time response. For ammonia, the time response is limited by adsorption and desorption processes on instrument surfaces, generally leading to a substantial underestimation of fluxes. Based on a 5-month flux dataset, we propose a new method to correct for the ammonia flux loss that is better suited to account for factors like surface aging and contamination than other approaches.
Determination of ecosystem exchange fluxes using the eddy covariance technique requires...
