Physics
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994georl..21.2503l&link_type=abstract
Geophysical Research Letters, Volume 21, Issue 23, p. 2503-2506
Physics
1
Oceanography: General: Continental Shelf Processes, Oceanography: General: Remote Sensing And Electromagnetic Processes, Oceanography: Physical: Air/Sea Interactions, Oceanography: Physical: Surface Waves And Tides
Scientific paper
Using aircraft radar instruments designed for sea surface wave measurements, we have obtained fetch-limited directional wind wave spectra under steady off-shore wind conditions. The results from these observations in different areas at different times show that, up to a fetch of 150 km, the dominant waves propagate at an angle to the wind. The angle is near to that suggested by the Phillips resonance wind wave generation condition, but with one important difference: The waves are not always symmetric to the left and right of the wind. Most of the cases show the eventual dominance of one side lobe. The asymmetry of the wave direction relative to the wind suggests that the surface wind stress vector may not always be parallel to the mean wind direction.
Geernaert Gerald L.
Huang Norden E.
Jackson Frederick C.
Long Steven R.
Mollo-Christensen Erik
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