Mixing and Intrusions in a Rotating Cold-Core Feature off Cape Blanco, Oregon Public Deposited

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  • During August 1986, a large cold anomaly was observed in satellite and in situ measurements near Cape Blanco at 42°N, 126°30′W off the Pacific Coast. Detailed vertical profiles of temperature, conductivity, turbulent dissipation, and horizontal currents showed 1) surface water temperature changes as large as 2 degrees in 1 kilometer (but smaller gradients at depth); 2) a structure in the mean currents resembling that of either a cyclonic eddy or a current meander, 3) a current field in geostrophic balance on scales of 10 km and greater, 4) a region of intrusions on the northern side of the eddy; 5) a concentration of turbulence (as indicated by the kinetic-energy dissipation rate) on the edges of the eddy and in the region of intrusions, the core of the eddy being turbulence-free; and 6) a substantial change in the surface structure in 24 hours.
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  • Moum, James N., Douglas R. Caldwell, Phyllis J. Stabeno, 1988: Mixing and Intrusions in a Rotating Cold-Core Feature off Cape Blanco, Oregon. Journal of Physical Oceanogrraphy, 18, 823–833.
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  • description.provenance : Made available in DSpace on 2012-02-06T17:26:52Z (GMT). No. of bitstreams: 1 MoumJamesN.CEOAS.MixingIntrusionsRotating.pdf: 948314 bytes, checksum: 9ea3c039109ce54c47a3aa6c0018ba13 (MD5) Previous issue date: 1988-06
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