Articles | Volume 18, issue 6
https://doi.org/10.5194/amt-18-1485-2025
https://doi.org/10.5194/amt-18-1485-2025
Research article
 | 
31 Mar 2025
Research article |  | 31 Mar 2025

A novel assessment of the vertical velocity correction for non-orthogonal sonic anemometers

Kyaw Tha Paw U, Mary Rose Mangan, Jilmarie Stephens, Kosana Suvočarev, Jenae' Clay, Olmo Guerrero Medina, Emma Ware, Amanda Kerr-Munslow, James McGregor, John Kochendorfer, Megan McAuliffe, and Megan Metz

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Cited articles

Beyrich, F., Richter, S. H., Weisensee, U., Kohsiek, W., Lohse, H., de Bruin, H. A. R., Foken, T., Goeckede, M., Berger, F., Vogt, R., and Batchvarova, E.: Experimental determination of turbulent fluxes over the heterogeneous LITFASS area: selected results from the LITFASS-98 experiment, Theor. Appl. Climatol., 73, 19–34, https://doi.org/10.1007/s00704-002-0691-7, 2002. 
Boone, A., Bellvert, J., Best, M., Brooke, J., Canut-Rocafort, G., Cuxart, J., Hartogensis, O., Le Moigne, P., Miró, J. R., Polcher, J., Price, J., Quintana Seguí, P., and Wooster, M.: Updates on the International Land Surface Interactions with the Atmophere over the Iberian Semi-Arid Environment (LIAISE) Field Campaign, GEWEX News, 31, 17–21, 2021. 
Bosveld, F. C. and Beljaars, A. C. M.: The impact of sampling rate on eddy-covariance flux estimates, Agr. Forest Meteorol., 109, 39–45, https://doi.org/10.1016/s0168-1923(01)00257-x, 2001. 
Brooke, J. K., Best, M. J., Lock, A. P., Osborne, S. R., Price, J., Cuxart, J., Boone, A., Canut-Rocafort, G., Hartogensis, O. K., and Roy, A.: Irrigation contrasts through the morning transition, Q. J. Roy. Meteor. Soc., 150, 170–194, https://doi.org/10.1002/qj.4590, 2024. 
Foken, T.: Comparison of the sonic anemometer Young Model 81000 during VOITEX-99, Arbeitsergebnisse No. 8, Bayreuth, October 1999, ISSN 1614-8916, 1999. 
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Short summary
Sonic anemometers measure wind velocity in three dimensions. They are used worldwide to help assess the trace gas exchange, critical to understanding climate change. However, their physical framework interferes with the flow they measure. We present a new way of correcting measurements from sonic anemometers of several types. The method uses measurements of vertical wind velocity and other turbulent velocities, compares their ratios, and from this yields correction factors for sonic anemometers.
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