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Advances in Geosciences An open-access journal for refereed proceedings and special publications
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Volume 7
Adv. Geosci., 7, 127–130, 2006
https://doi.org/10.5194/adgeo-7-127-2006
© Author(s) 2006. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
Adv. Geosci., 7, 127–130, 2006
https://doi.org/10.5194/adgeo-7-127-2006
© Author(s) 2006. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  16 Feb 2006

16 Feb 2006

Rainfall estimation and ground clutter rejection with dual polarization weather radar

F. Lombardo1, F. Napolitano1, F. Russo1, G. Scialanga1, L. Baldini2, and E. Gorgucci2 F. Lombardo et al.
  • 1Department of Hydraulics, Highways and Roads, University of Rome "La Sapienza", 00184 Rome, Italy
  • 2Institute of Atmospheric Sciences and Climate, National Research Council, 00133 Rome, Italy

Abstract. Conventional radars, used for atmospheric remote sensing, usually operate at a single polarization and frequency to estimate storm parameters such as rainfallrate and water content.

Because of the high variability of the drop size distribution conventional radars do not succeed in obtaining detailed information because they just use horizontal reflectivity.

The potentiality of the dual-polarized weather radar is investigated, in order to reject the ground-clutter, using differential reflectivity.

In this light, a radar meteorology campaign was conducted over the city of Rome (Italy), collecting measurements by the polarimetric Doppler radar Polar 55C and by a raingauge network.

The goodness of the results is tested by comparison of radar rainfall estimates with raingauges rainfall measurements.

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