Momentum transfer between semidiurnal internal waves and subinertial flow at a dissipating surface reflection

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dc.contributor.authorJenkyns, Reyna L.
dc.contributor.supervisorKunze, Eric L.
dc.date.accessioned2009-08-31T18:09:11Z
dc.date.available2009-08-31T18:09:11Z
dc.date.copyright2009en
dc.date.issued2009-08-31T18:09:11Z
dc.degree.departmentSchool of Earth and Ocean Sciencesen
dc.degree.levelMaster of Science M.Sc.en
dc.description.abstractFull-depth profile data reveal semidiurnal internal waves radiating from Mendocino Escarpment. Energy- and momentum-fluxes are lost between stations bracketing the first surface reflection to the north. A plausible interpretation is that wave energy is dissipated as a consequence of superposition of incident and reflected waves. Because there are no profiler data in the superposition region, a theoretical approach is used to bridge the gap. Assuming zonal independence, constant stratification and linear decay in the dissipation region, the forcing on the mean equations is evaluated with parameters consistent with Mendocino Escarpment data. Both superposition and dissipation cause momentum-flux divergence forcing. An Ekman-like balance is anticipated with predicted mean zonal flows u~O(1-2 cm/s), comparable to surface wind-forced Ekman currents.en
dc.identifier.urihttp://hdl.handle.net/1828/1701
dc.languageEnglisheng
dc.language.isoenen
dc.rightsAvailable to the World Wide Weben
dc.subjectinternal wavesen
dc.subjectmomentum-flux divergenceen
dc.subjectinternal tideen
dc.subjectsuperpositionen
dc.subjectMendocino Escarpmenten
dc.subjectdissipationen
dc.subject.lcshUVic Subject Index::Sciences and Engineering::Earth and Ocean Sciences::Oceanographyen
dc.titleMomentum transfer between semidiurnal internal waves and subinertial flow at a dissipating surface reflectionen
dc.typeThesisen

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