Analysis of GNSS-R delay-Doppler maps from the UK-DMC satellite over the ocean

Details Analysis of GNSS-R delay-Doppler maps from the UK-DMC satellite over the ocean Analysis of GNSS-R delay-Doppler maps from the UK-DMC satellite over the ocean

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3602608c&link_type=abstract

Geophysical Research Letters, Volume 36, Issue 2, CiteID L02608

Physics

Oceanography: General: Remote Sensing And Electromagnetic Processes (0689, 2487, 3285, 4455, 6934), Oceanography: General: Instruments And Techniques, Electromagnetics: Scattering And Diffraction, Electromagnetics: Signal Processing And Adaptive Antennas (6974), Oceanography: Physical: Surface Waves And Tides (1222)

Scientific paper

A study of the retrieval of sea surface roughness using Global Navigation Satellite System-Reflectometry (GNSS-R) from satellite is presented. Delay-Doppler Maps (DDMs) from the SSTL UK-DMC satellite are analyzed to retrieve directional Mean Square Slopes (MSSs). Results are compared to theoretically-derived MSSs and in situ measurements from co-located buoys of the National Data Buoy Center (NDBC), showing good agreement in most cases. Here, the whole DDM, a more complete source of information, is exploited for the first time using satellite GNSS-R data. These are potentially able to provide high spatial and temporal sampling, and therefore offer an improved way to observe wind and waves by means of a very modest instrument.

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