Measuring ocean wave period with satellite altimeters: A simple empirical model

Details Measuring ocean wave period with satellite altimeters: A simple empirical model Measuring ocean wave period with satellite altimeters: A simple empirical model

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30voce2g&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 22, pp. OCE 2-1, CiteID 2150, DOI 10.1029/2003GL017743

Computer Science

Performance

5

Oceanography: General: Remote Sensing And Electromagnetic Processes (0689), Oceanography: Physical: Surface Waves And Tides (1255), Oceanography: General: Marine Meteorology

Scientific paper

A simple empirical model is proposed to retrieve wave period from Ku-band radar altimeter backscatter and significant wave height. The model formulation is heuristic, and fitted using a large dataset of collocated Topex altimeter and buoys measurements. Empirical models are proposed for the zero up-crossing, the mean and the peak wave period, and compared with models by Davies et al. [1997] and Hwang et al. [1998]. Their performance is assessed using an independent validation dataset, and gives a retrieval error of 0.8s. Regional analysis indicates that the wave period models perform better in wind seas than in swell-dominated conditions.

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