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    Shapes of deep density-depth curves

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    WHOI-78-8.pdf (30.22Mb)
    Date
    1978-04
    Author
    Warren, Bruce A.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/10592
    DOI
    10.1575/1912/10592
    Keyword
    Curves
    Abstract
    Deep density-depth curves often show faint curvature reversals, stability maxima, etc. Relationships between these features and the field of motion are explored here, in reference to the South Paclfic, for interior regions and western boundary currents. For the former, an assumed balalnce between vertical advection and vertical diffusion of density implies downward movement where there is positive curvature in the density-depth curve, in association with equatorward flow of the bottom water; it is argued that such flow is a likely feature of the interaction between a stratified deep western boundary current and a stratified interior. Illustrative (though somewhat unrealistic) analytical examples are given. In the western boundary region it is the difference between local and interior densities which seems to be related to details of the velocity distribution, but only in special (and unlikely) circumstances is there a correspondence across the boundary region between the shape of the perturbation. density-depth curve and the motion field. Some comments are made concerning the implications for the interpretation of hydrographic data.
    Description
    Also published as: Journal of Physical Oceanography, Vol. 7, No. 3, May 1977, pp. 338-344
    Collections
    • Physical Oceanography (PO)
    • WHOI Technical Reports
    Suggested Citation
    Warren, B. A. (1978). Shapes of deep density-depth curves. Woods Hole Oceanographic Institution. https://doi.org/10.1575/1912/10592
     
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