Topographically Induced Drag and Mixing at a Small Bank on the Continental Shelf Public Deposited

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  • Recent turbulence measurements over a small bank on the continental shelf off Oregon reveal a previously undetected site for intense mixing of the coastal ocean. The flow is hydraulically controlled and turbulence diffusivities over the bank are more than 100 times greater than estimates made on the shelf away from topography. The total drag exerted by the bank on the flow field is a combination of bottom friction plus form drag (analogous to mountain drag) and is comparable to the Coriolis force. This drag is sufficient to decelerate the flow over the bank in a matter of hours.
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  • Moum, J. N., J. D. Nash, 2000: Topographically Induced Drag and Mixing at a Small Bank on the Continental Shelf. Journal of Physical Oceanography, 30, 2049–2054.
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  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-02-06T21:19:07Z No. of bitstreams: 1 MoumJN.CEOAS.TopographicallyInducedDrag.pdf: 321510 bytes, checksum: b6a7b561c8d441371d0c239c767b909b (MD5)
  • description.provenance : Made available in DSpace on 2012-02-06T21:19:07Z (GMT). No. of bitstreams: 1 MoumJN.CEOAS.TopographicallyInducedDrag.pdf: 321510 bytes, checksum: b6a7b561c8d441371d0c239c767b909b (MD5) Previous issue date: 2000-08

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