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Estimation of extreme wave heights using GEOSAT measurements

โœ Scribed by Vijay Panchang; Liuzhi Zhao; Z. Demirbilek

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
616 KB
Volume
26
Category
Article
ISSN
0029-8018

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โœฆ Synopsis

Satellite technology has yielded a large database of global ocean wave heights which may be used for engineering applications. However, the sampling protocol used by the satellite leads to some difficulties in making use of these data for practical applications. These difficulties and techniques to estimate extreme wave heights using satellite measurements are discussed. Significant wave heights for a 50-year return period are estimated using GEOSAT measurements for several regions around North America. Techniques described here may be used for estimation of wave heights associated with any specified return interval in regions where buoy data are not readily available.

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Mean monthly values of altimeter wind speed and wave height are compared with data from NDBC buoys. As a result of these comparisons, corrections are made to the raw data products available from these satellites. Data from the GEOSAT, TOPEX and ERS1 missions corrected in this fashion are used to sho