Aliasing in Micro Rain Radar data due to strong vertical winds

Details Aliasing in Micro Rain Radar data due to strong vertical winds Aliasing in Micro Rain Radar data due to strong vertical winds

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3802804t&link_type=abstract

Geophysical Research Letters, Volume 38, Issue 2, CiteID L02804

Physics

Atmospheric Processes: Remote Sensing (4337), Atmospheric Processes: Precipitation (1854), Atmospheric Processes: Instruments And Techniques

Scientific paper

Vertically pointing Micro Rain Radars (MRRs) provide profiles of drop size distributions (DSDs) from the measured Doppler reflectivity spectra. However, in the presence of strong vertical winds, the measured spectra can suffer from aliasing errors. These errors can considerably affect the derived DSD, and hence, the retrieved rain parameters. In this work, we show that such aliasing can be automatically detected and that this detection can be used at our benefit to identify strong vertical winds and eliminate incorrect retrievals. Likewise, we show that when this aliasing is adequately corrected, the retrieved DSD is then fit for further parameter retrievals.

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