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Browsing WHOI Theses by Keyword "Ocean currents"

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Browsing WHOI Theses by Keyword "Ocean currents"

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  • Williams, William J. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1996-02)
    During January-March, Scotian Shelf water has been observed to flow episodically from the southwestern Scotian Shelf directly across the Northeast Channel to Georges Bank. The possible factors that allow Scotian Shelf ...
  • Byman, Michael W. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1989-08)
    When ocean waves in deep water interact with a current, the direction of propagation and characteristics of the waves such as height and length are affected. Swell in the open ocean can undergo significant refraction as ...
  • Capontondi, Antonietta (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1993-02)
    The dynamical aspects involved in the assimilation of altimeter data in a numerical ocean model have been investigated. The model used for this study is a quasi-geostrophic model of the Gulf Stream region. The data that ...
  • Dewar, William K. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1982-10)
    Four different problems concerning Gulf Stream Rings are considered. The first deals with the particle trajectories of, and advection-diffusion by, a dynamic model of a Ring. It is found that the streaklines computed ...
  • Shor, Alexander N. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1979-10)
    An investigation was carried out to observe the geologic effects of steady bottom currents on sediments of East Katla Ridge on the southern insular rise of Iceland. Near-bottom southwest to west-flowing currents exceeded ...
  • Freise, Clark B. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1988-09)
    In previous Gulf Stream work (Hall and Bryden, 1985, Hall, 1985, 198GA, 198GB), a decomposition of multiple depth current records was developed which produced along- and cross-stream components. The cross-stream component ...
  • Poranski, Peter Frank (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1972-08)
    A bottom mounted electromagnetic current meter measures the vertically-averaged conductivity-weighted velocity. This measurement complements free-fall relative velocity profiles and is valuable for transport determination ...
  • Greer, Matthew Noble (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1979-02)
    The development and application of an autonomous field instrumentation system consisting of four current meters and four wave gauges, along with a field monitor and digital recorder, is documented. The flow sensors are ...
  • St. Laurent, Louis C. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1999-09)
    Observations of diapycnal mixing rates are examined and related to diapycnal advection for both double-diffusive and turbulent regimes. The role of double-diffusive mixing at the site of the North Atlantic Tracer ...
  • Pettigrew, Neal R. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1980-12)
    Data from the COBOLT experiment, which investigated the first 12 km off Long Island's south shore, are analyzed and discussed. Moored current meter records indicate that the nearshore flow field is strongly polarized ...
  • Smith, Peter C. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1973-09)
    This thesis presents an investigation of the dynamics of bottom boundary currents in the ocean. The major emphasis is to develop simple mathematical models in which various dynamical features of these complex geophysical ...
  • Jayne, Steven R. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1999-02)
    A state-of-the-art, high-resolution ocean general circulation model is used to estimate the time-dependent global ocean heat transport and investigate its dynamics. The north-south heat transport is the prime manifestation ...
  • Shaw, Ping-Tung Peter (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1982-02)
    Mean long-isobath drift of the order 5 cm/sec has been observed on several continental shelves, e.g. in the Middle Atlantic Bight and in the Weddell Sea. A theoretical model is developed to explore the driving mechanism ...
  • Edwards, Christopher A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1996-12)
    The transformation of potential vorticity within and stability of nonlinear deep western boundary currents in an idealized tropical ocean are studied using a shallowwater model. Observational evidence indicates that the ...
  • Gille, Sarah T. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1995-02)
    Geosat altimeter data and numerical model output are used to examine the circulation and dynamics of the Antarctic Circumpolar Current (ACC). The mean sea surface height across the ACC has been reconstructed from height ...
  • Wacongne, Sophie H. C. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1988-01)
    This study focuses on the zonal weakening, eastern termination and seasonal variations of the Atlantic equatorial undercurrent (EUC). The main and most original contribution of the dissertation is a detailed analysis ...
  • Sutherland, David A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2008-02)
    The subtidal circulation of the southeast Greenland shelf is described using a set of highresolution hydrographic and velocity transects occupied in summer 2004. The main feature present is the East Greenland Coastal ...
  • Brown, Ellen Dunning (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1984-08)
    This thesis addresses several aspects of the problem of determining the effect of the low-frequency eddy variability on the mean circulation of the Western North Atlantic. A framework for this study is first established ...
  • Klinger, Barry A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1992-03)
    Rotating baroclinic and barotropic boundary currents flowing around a corner in the laboratory were studied in order to discover the circumstances under which eddies were produced at the corner. Such flows are reminiscent ...
  • Waterman, Stephanie N. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2009-02)
    This thesis examines the nature of eddy-mean flow interactions in western boundary current jets and recirculation gyre dynamics from both theoretical and observational perspectives. It includes theoretical studies of ...

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