Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 12, issue 11
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.
https://doi.org/10.5194/amt-12-6059-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 11
Research article
 | 
21 Nov 2019
Research article |  | 21 Nov 2019

Measurements and quality control of ammonia eddy covariance fluxes: a new strategy for high-frequency attenuation correction

Alexander Moravek, Saumya Singh, Elizabeth Pattey, Luc Pelletier, and Jennifer G. Murphy

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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.
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