C- and Ku-band ocean backscatter measurements under extreme wind conditions

During the 2002 and 2003 ONR CBLAST Hurricane Program Field (HPF) and the NOAA/NESDIS Hurricane Ocean Winds and Rain Experiment, the University of Massachusetts (UMass) installed IWRAP, a conically scanning dual-band (C- and Ku-band), dual-polarized pencil-beam airborne Doppler radar that profiles t...

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Hauptverfasser: Fernandez, D.E., Kerr, E., Frasier, S., Carswell, J., Chang, P., Jelenak, Z., Connor, L., Black, P., Marks, F., Alex Zhang
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creator Fernandez, D.E.
Kerr, E.
Frasier, S.
Carswell, J.
Chang, P.
Jelenak, Z.
Connor, L.
Black, P.
Marks, F.
Alex Zhang
description During the 2002 and 2003 ONR CBLAST Hurricane Program Field (HPF) and the NOAA/NESDIS Hurricane Ocean Winds and Rain Experiment, the University of Massachusetts (UMass) installed IWRAP, a conically scanning dual-band (C- and Ku-band), dual-polarized pencil-beam airborne Doppler radar that profiles the volume backscatter and Doppler velocity from rain and the backscatter from the ocean surface simultaneously at four incidence angles covering incidence angles from 25 to 55 degrees. From the measurements acquired during missions flown through hurricanes Gustav, Isadore, and Lili (2002) and Fabian and Isabel (2003), high wind regime Geophysical Model Functions have been derived at both frequencies and polarizations. Concrete saturation effects in the NRCS are presented, and sensitivity in the wind direction at high wind speed is discussed through the analysis of the second harmonic of the NRCS.
doi_str_mv 10.1109/IGARSS.2004.1368937
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Applied geophysics
Backscatter
Doppler radar
Dual band
Earth sciences
Earth, ocean, space
Exact sciences and technology
Frequency measurement
Geophysical measurements
Hurricanes
Internal geophysics
Oceans
Rain
Sea measurements
Sea surface
title C- and Ku-band ocean backscatter measurements under extreme wind conditions
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