Do Near-Boundary Processes Control the Ocean?
Abstract. Three ways in which near-boundary processes influence the ocean are reviewed. In the first topic, solutions for the flow and stratification in a situation where mixing dies away slowly away from a sloping boundary can show a sensitivity to the eddy Prandtl number, emphasizing the importanc...
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| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.430.9409 http://www.soest.hawaii.edu/PubServices/2003pdfs/Garrett.pdf |
| Summary: | Abstract. Three ways in which near-boundary processes influence the ocean are reviewed. In the first topic, solutions for the flow and stratification in a situation where mixing dies away slowly away from a sloping boundary can show a sensitivity to the eddy Prandtl number, emphasizing the importance of studying the mixing of momentum as well as buoyancy. In the second topic, the importance of near-boundary mixing in the deep Canada Basin is suggested by the presence in the basin interior of a thermohaline staircase that appears not to be able to account for the vertical heat flux and is also disrupted near the sloping sides by what appears to be a region of strong mixing. The third part of the paper is a summary of some simple recent advances in hydraulic theory that may be relevant to the dynamics and influence of oceanic overflows. |
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