Articles | Volume 13, issue 12
Research article
18 Dec 2020
Research article |  | 18 Dec 2020

Microwave single-scattering properties of non-spheroidal raindrops

Robin Ekelund, Patrick Eriksson, and Michael Kahnert

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Cited articles

Abel, S. J. and Boutle, I. A.: An improved representation of the raindrop size distribution for single-moment microphysics schemes, Q. J. Roy. Meteor. Soc., 138, 2151–2162,, 2012. a
Battaglia, A., Saavedra, P., Simmer, C., and Rose, T.: Rain Observations by a Multifrequency Dual-Polarized Radiometer, IEEE Geosci. Remote Sens. Let., 6, 354–358,, 2009. a, b
Battaglia, A., Saavedra, P., Rose, T., Simmer, C., Battaglia, A., Saavedra, P., Rose, T., and Simmer, C.: Characterization of Precipitating Clouds by Ground-Based Measurements with the Triple-Frequency Polarized Microwave Radiometer ADMIRARI, J. Appl. Meteorol. Clim., 49, 394–414,, 2010. a
Blanchard, D. C. and Spencer, A. T.: Experiments on the Generation of Raindrop-Size Distributions by Drop Breakup, J. Atmos. Sci., 27, 101–108,<0101:EOTGOR>2.0.CO;2, 1970. a, b
Brandes, E. A., Zhang, G., and Vivekanandan, J.: Experiments in Rainfall Estimation with a Polarimetric Radar in a Subtropical Environment, J. Appl. Meteorol., 41, 674–685,<0674:EIREWA>2.0.CO;2, 2002. a
Short summary
Raindrops become flattened due to aerodynamic drag as they increase in mass and fall speed. This study calculated the electromagnetic interaction between microwave radiation and non-spheroidal raindrops. The calculations are made publicly available to the scientific community, in order to promote accurate representations of raindrops in measurements. Tests show that the drop shape can have a noticeable effect on microwave observations of heavy rainfall.