Journal
MARINE GEODESY
Volume 33, Issue -, Pages 239-255Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01490419.2010.487798
Keywords
Data assimilation; ECMWF; Jason-2; OGDR; operational geophysical data record; optimal interpolation; peak wave period; radar altimeter; significant wave height; WAM; wave buoy; wave model; wind speed
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Jason-2 altimeter OGDR-BUFR wind and wave products are validated operationally against available observations and ECMWF model fields. The Ku-band significant wave height (SWH) is better than its Jason-1 counterpart. However, the surface wind speed needs some improvements. The positive impact of assimilating Jason-2 SWH in the ECMWF wave model was proved through several numerical experiments. Jason-2 SWH replaced Jason-1 operationally on 10 March 2009. After its move to a new orbit, Jason-1 SWH was also proved to have limited, yet positive impact leading to its reintroduction into the ECMWF system on June 8, 2009.
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