Articles | Volume 17, issue 24
https://doi.org/10.5194/amt-17-7169-2024
https://doi.org/10.5194/amt-17-7169-2024
Research article
 | 
20 Dec 2024
Research article |  | 20 Dec 2024

Determination of low-level temperature profiles from microwave radiometer observations during rain

Andreas Foth, Moritz Lochmann, Pablo Saavedra Garfias, and Heike Kalesse-Los

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Araki, K., Murakami, M., Ishimoto, H., and Tajiri, T.: Ground-Based Microwave Radiometer Variational Analysis during No-Rain and Rain Conditions, Sola, 11, 108–112, https://doi.org/10.2151/sola.2015-026, 2015. a
Böck, T., Pospichal, B., and Löhnert, U.: Measurement uncertainties of scanning microwave radiometers and their influence on temperature profiling, Atmos. Meas. Tech., 17, 219–233, https://doi.org/10.5194/amt-17-219-2024, 2024. a
Cimini, D., Campos, E., Ware, R., Albers, S., Giuliani, G., Oreamuno, J., Joe, P., Koch, S. E., Cober, S., and Westwater, E.: Thermodynamic Atmospheric Profiling During the 2010 Winter Olympics Using Ground-Based Microwave Radiometry, IEEE T. Geosci. Remote, 49, 4959–4969, https://doi.org/10.1109/TGRS.2011.2154337, 2011. a, b, c
Cimini, D., Rosenkranz, P. W., Tretyakov, M. Y., Koshelev, M. A., and Romano, F.: Uncertainty of atmospheric microwave absorption model: impact on ground-based radiometer simulations and retrievals, Atmos. Chem. Phys., 18, 15231–15259, https://doi.org/10.5194/acp-18-15231-2018, 2018. a
Crewell, S. and Löhnert, U.: Accuracy of Boundary Layer Temperature Profiles Retrieved With Multifrequency Multiangle Microwave Radiometry, IEEE T. Geosci. Remote, 45, 2195–2201, https://doi.org/10.1109/TGRS.2006.888434, 2007. a, b, c, d
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Short summary
Microwave radiometers are usually not able to provide atmospheric quantities such as temperature profiles during rain. We present a method based on a selection of specific frequencies and elevation angles from microwave radiometer observations. A comparison with a numerical weather prediction model shows the presented method allows low-level temperature profiles during rain to be resolved, with rain rates of up to 2.5 mm h−1,, which was not possible before with state-of-the-art retrievals.
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