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99651 |
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|a Liang, Xinfeng
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|a Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
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|a Liang, Xinfeng
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|a Wunsch, Carl
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|a Note on the redistribution and dissipation of tidal energy over mid-ocean ridges
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|b Co-Action Publishing,
|c 2015-11-02T18:02:04Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/99651
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|a The redistribution and dissipation of internal wave energy arising from the conversion at mid-ocean ridges of the barotropic tide is studied in a set of numerical experiments. A two-dimensional non-hydrostatic model with 100 m horizontal and 10-25 m vertical resolution is used to represent the detailed processes near an idealised ridge. Conventional internal wave beams at the tidal frequency, [superscript ѡ]M[subscript 2], appear. At the ridge crest, strong tidal energy dissipation occurs that both mixes the fluid and generates strong near-inertial oscillations radiating in near-horizontal beams. Resonant triad interaction between the tidal and inertial motions in turn produces beams at ([superscript ѡ]M[subscript 2] - f) and with high shear, thus effectively mixing fluid at considerable heights above the ridge crest.
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|a National Science Foundation (U.S.) (Grant OCE-0961713)
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|a United States. National Oceanic and Atmospheric Administration (Grant NA10OAR4310135)
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