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Global ocean mean wave period data: validation and description

Caires, S.; Sterl, A.; Gommenginger, C.P.. 2005 Global ocean mean wave period data: validation and description. Journal of Geophysical Research, 110 (C2). C02003-[12pp]. 10.1029/2004JC002631

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Abstract/Summary

A global comparison of altimeter and ERA-40 mean wave period data is performed for the first time. Altimeter and ERA-40 mean wave period are shown to compare well in non-swell-dominated conditions. Triply collocated altimeter, buoy, and ERA-40 data show that the variance of the random errors is bigger for the ERA-40 data and smaller for the buoy data. A new expression is given to relate altimeter data to wave period in wind-dominated conditions. Provided this correction is applied, altimeter data are adequate for the most needed validation of global model mean wave period data in non-swell-dominated conditions. Triply collocated altimeter, buoy, and ERA-40 also reveal that altimeter mean wave period is reliable even in swell conditions for moderate to high winds, in contrast to previous suggestions which limited its validity to wind-dominated seas.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1029/2004JC002631
ISSN: 0148-0227
Related URLs:
Date made live: 07 Sep 2005 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/117409

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