Articles | Volume 17, issue 15
https://doi.org/10.5194/amt-17-4649-2024
https://doi.org/10.5194/amt-17-4649-2024
Research article
 | 
12 Aug 2024
Research article |  | 12 Aug 2024

Applicability of the inverse dispersion method to measure emissions from animal housings

Marcel Bühler, Christoph Häni, Albrecht Neftel, Patrice Bühler, Christof Ammann, and Thomas Kupper

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Cited articles

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Baldé, H., VanderZaag, A. C., Burtt, S., Evans, L., Wagner-Riddle, C., Desjardins, R. L., and MacDonald, J. D.: Measured versus modeled methane emissions from separated liquid dairy manure show large model underestimates, Agr. Ecosyst. Environ., 230, 261–270, https://doi.org/10.1016/j.agee.2016.06.016, 2016. 
Bühler, M.: Applicability of the inverse dispersion method to measure emissions from animal housings – data set & R scripts, in: Atmospheric Measurement Technique, Zenodo [data set], https://doi.org/10.5281/zenodo.13218739, 2024. 
Bühler, M., Häni, C., Ammann, C., Mohn, J., Neftel, A., Schrade, S., Zähner, M., Zeyer, K., Brönnimann, S., and Kupper, T.: Assessment of the inverse dispersion method for the determination of methane emissions from a dairy housing, Agr. Forest Meteorol., 307, 108501, https://doi.org/10.1016/j.agrformet.2021.108501, 2021. 
Bühler, M., Häni, C., Ammann, C., Brönnimann, S., and Kupper, T.: Using the inverse dispersion method to determine methane emissions from biogas plants and wastewater treatment plants with complex source configurations, Atmos. Environ. X, 13, 100161, https://doi.org/10.1016/j.aeaoa.2022.100161, 2022. 
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Short summary
Methane was released from an artificial source inside a barn to test the applicability of the inverse dispersion method (IDM). Multiple open-path concentration devices and ultrasonic anemometers were used at the site. It is concluded that, for the present study case, the effect of a building and a tree in the main wind axis led to a systematic underestimation of the IDM-derived emission rate probably due to deviations in the wind field and turbulent dispersion from the ideal assumptions.
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