The comparison of SWH from ocean wave spectra and nadir beam of SWIM
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Leandre Amian Tanoh
Published by: School of Marine Science, NUIST, ; 2018
The surface wave investigation and monitoring (SWIM) will be one of the two payload instruments carried by China France Oceanography Satellite (CFOSAT) with a planned launch date in mid-2018. SWIM has six beams rotating around the vertical axis at incidence angles 0,2,4,6,8,10 degree. With nadir-beam, the SWH and wind speed can be detected as the same principle as an altimeter. At the same time, the ocean wave spectrum beams can also Catch the significant wave height (SWH). To find which SWH is more stable and accurate, first, the thesis presents an overview of SWH detection from a satellite. Then the principles of SWH detected from the altimeter, and the spectra beams of SWIM are reviewed. Finally, the comparison of SWH from ocean wave spectra beam and nadir beam of SWIM is performed according to the simulated data. The results show that the SWH from nadir beam is more accurate and stable than from spectra beam.
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Language(s): English
Format: Digital (Free)Tags: Wave ; Oceans ; Thesis - WMO Fellowship Division ; SWH, SWIM, Ocean Wave Spectrum 
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