Surf zone eddies coupled with rip current morphology
MacMahan, Jamie H.
Thornton, Ed B.
Stanton, Timothy P.
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Energetic very low frequency (VLF; frequencies <0.004 Hz) surf zone eddies (SZEs) were observed on a beach composed of shore-connected shoals with quasi-periodic ( 125 m) incised rip channels at Sand City, Monterey Bay, California. Incident waves consisted of predominantly shore-normal narrow-banded swell waves. SZEs were located outside the gravity region in alongshore wave number, ky , spaced within the VLF band, and did not appear to exist in higher-frequency bands. The SZEs were significant (Urms,VLF 0.25 m/s) and constant in intensity within the surf zone (shore-connected shoals and rip channels) and rapidly decreased offshore.
The article of record as published may be located at http://dx.doi.org/10.1029/2003JC002083