Directional wave spectra from a swath ship at sea

W. M. Drennan, M. A. Donelan, N. Madsen, K. B. Katsaros, E. A. Terray, C. N. Flagg

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


During the Surface Wave Dynamics Experiment (SWADE), the swath ship Frederick G. Creed was equipped with an array of wave staffs for the estimation of wave directional spectra. This paper reports on the first such estimates taken from a ship at sea. An algorithm for removing the effects of the ship motion, including those resulting from the Doppler shifting of observed frequencies, is presented along with some results from the SWADE experiment. A comparison with directional wave spectra taken from a nearby buoy shows the fidelity of the method. -Authors

Original languageEnglish (US)
Pages (from-to)1109-1125
Number of pages17
JournalJournal of Atmospheric & Oceanic Technology
Issue number4 part 2
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Ocean Engineering
  • Atmospheric Science


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