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Incoherent Nature of M2 Internal Tides at the Hawaiian Ridge

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dc.creator Zilberman, N. V.
dc.creator Merrifield, M. A.
dc.creator Carter, G. S.
dc.creator Luther, D. S.
dc.creator Levine, M. D.
dc.creator Boyd, Timothy John, 1958-2013
dc.date.accessioned 2012-11-12T16:57:23Z
dc.date.available 2012-11-12T16:57:23Z
dc.date.issued 2011-11
dc.identifier.citation Zilberman, N., Merrifield, M., Carter, G., Luther, D., Levine, M., & Boyd, T. (2011). Incoherent nature of M-2 internal tides at the hawaiian ridge. Journal of Physical Oceanography, 41(11), 2021-2036. doi: 10.1175/JPO-D-10-05009.1 en_US
dc.identifier.uri http://hdl.handle.net/1957/35038
dc.description This is the publisher’s final pdf. The published article is copyrighted by American Meteorological Society and can be found at: http://www.ametsoc.org/. en_US
dc.description.abstract Moored current, temperature, and conductivity measurements are used to study the temporal variability of M-2 internal tide generation above the Kaena Ridge, between the Hawaiian islands of Oahu and Kauai. The energy conversion from the barotropic to baroclinic tide measured near the ridge crest varies by a factor of 2 over the 6-month mooring deployment (0.5-1.1 W m(-2)). The energy flux measured just off the ridge undergoes a similar modulation as the ridge conversion. The energy conversion varies largely because of changes in the phase of the perturbation pressure, suggesting variable work done on remotely generated internal tides. During the mooring deployment, low-frequency current and stratification fluctuations occur on and off the ridge. Model simulations suggest that these variations are due to two mesoscale eddies that passed through the region. The impact of these eddies on low-mode internal tide propagation over the ridge crest is considered. It appears that eddy-related changes in stratification and perhaps cross-ridge current speed contribute to the observed phase variations in perturbation pressure and hence the variable conversion over the ridge. en_US
dc.description.sponsorship This work was supported by NSF Grants OCE0425347, OCE-0623132, OCE9303094, OCE-9819532, and OCE- 9819533. en_US
dc.language.iso en_US en_US
dc.publisher American Meteorological Society en_US
dc.relation.ispartofseries Journal of Physical Oceanography en_US
dc.relation.ispartofseries Vol. 41 no. 11 en_US
dc.subject Surface expression en_US
dc.subject Tidal dissipation en_US
dc.subject Baroclinic tide en_US
dc.subject Ocean en_US
dc.subject Model en_US
dc.subject Waves en_US
dc.subject Variability en_US
dc.subject Topography en_US
dc.subject Energetics en_US
dc.subject Turbulence en_US
dc.title Incoherent Nature of M2 Internal Tides at the Hawaiian Ridge en_US
dc.title.alternative Incoherent Nature of M[subscript 2] Internal Tides at the Hawaiian Ridge en_US
dc.type Article en_US
dc.description.peerreview yes en_US
dc.identifier.doi 10.1175/JPO-D-10-05009.1

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