NDLI: Measurements of the effect of rain-induced sea surface roughness on the QuikSCAT scatterometer radar cross section and wind stress

Content Provider	IEEE Xplore Digital Library
Author	Weissman, D.E. Bourassa, M.A.
Copyright Year	2008
Description	Author affiliation: Dept. of Eng., Hofstra Univ., Hempstead, NY (Weissman, D.E.)
Abstract	Changes in the sea surface roughness from the combined effects of wind and rain, on scales of tens of kilometers, are being studied using the QuikSCAT scatterometer (NRCS) and simultaneous NEXRAD three-dimensional measurements of rain. The studies of air-sea interaction, related to surface fluxes. The results to be presented were acquired during a significant rain event in the Gulf of Mexico, to the east of Corpus Christi, and just south of Houston, TX in May 2005. Preliminary results in NRCS caused by rain, relative to that in nearby regions with negligible rain shows distinct characteristics. Three regions with different wind speeds (4-6, 6-8 and 8-10 m/s) show definitive variation of this total NRCS with respect to wind magnitude, satellite-relative wind direction, polarization and rainrate. Relative changes are stronger in the lower wind region for both polarizations, with H-pol providing a more definitive signature. At higher wind speeds (e.g. 10 m/s) the relative splash induced increases in NRCS are still significant, and show distinct differences between polarizations.
Starting Page	1
Ending Page	4
File Size	1415362
Page Count	4
File Format	PDF
ISBN	9781424426195
DOI	10.1109/OCEANS.2008.5152107
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-15
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea measurements Stress measurement Sea surface roughness Radar measurements Radar cross section Rain Polarization Wind speed Rough surfaces Surface roughness
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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