Articles | Volume 18, issue 10
https://doi.org/10.5194/amt-18-2295-2025
https://doi.org/10.5194/amt-18-2295-2025
Research article
 | 
28 May 2025
Research article |  | 28 May 2025

Characterization of surface clutter signal in the presence of orography for a spaceborne conically scanning W-band Doppler radar

Francesco Manconi, Alessandro Battaglia, and Pavlos Kollias

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This preprint is open for discussion and under review for Weather and Climate Dynamics (WCD).
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Cited articles

Abrams, M., Bailey, B., Tsu, H., and Hato, M.: The ASTER Global DEM, Photogramm. Eng. Rem. S., 76, 344–348, 2010 (data available at: https://asterweb.jpl.nasa.gov/GDEM.asp, last access: 21 May2025). a, b
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Battaglia, A., Tanelli, S., and Kollias, P.: Polarization Diversity for Millimeter Spaceborne Doppler Radars: An Answer for Observing Deep Convection?, J. Atmos. Ocean, Tech., 30, 2768–2787, https://doi.org/10.1175/JTECH-D-13-00085.1, 2013. a, b, c
Battaglia, A., Westbrook, C. D., Kneifel, S., Kollias, P., Humpage, N., Löhnert, U., Tyynelä, J., and Petty, G. W.: G band atmospheric radars: new frontiers in cloud physics, Atmos. Meas. Tech., 7, 1527–1546, https://doi.org/10.5194/amt-7-1527-2014, 2014. a
Battaglia, A., Wolde, M., D'Adderio, L. P., Nguyen, C., Fois, F., Illingworth, A., and Midthassel, R.: Characterization of Surface Radar Cross Sections at W-Band at Moderate Incidence Angles, IEEE T. Geosci. Remote, 55, 3846–3859, https://doi.org/10.1109/TGRS.2017.2682423, 2017. a, b
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The paper aims to study the ground reflection, or clutter, of the signal from a spaceborne radar in the context of ESA's WIVERN (WInd VElocity Radar Nephoscop) mission, which will observe in-cloud winds. Using topography and land type data, with a model of the satellite orbit and rotating antenna, simulations of scans have been run over the Piedmont region of Italy. These measurements cover the full range of the ground clutter over land for WIVERN and have allowed for analyses of the precision and accuracy of velocity observations.
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