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Intrusions are commonly observed in the upper, deep and coastal oceans, and are closely linked to lateral fluxes of heat, salt and momentum. This is a review of observations of intrusions and the results of comparisons of properties such as scale, slopes, microstructure activity, and fluxes with the...

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Bibliographic Details
Main Authors: Corresponding Barry Ruddick, Kelvin Richards, Hampshire So Zh
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 2002
Subjects:
ocean mixing
salt fingers
turbulence
microstructure
finestructure
fronts
Antarctic Convergence
Gulf Stream
Kuroshio. July 2
2002 Oceanic Thermohaline Intrusions
Observations Page 2
Antarctic
Antarc*
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.493.9319
http://www.phys.ocean.dal.ca/programs/doubdiff/final_pdfs/Ruddick_Richards.pdf
Description
Summary:Intrusions are commonly observed in the upper, deep and coastal oceans, and are closely linked to lateral fluxes of heat, salt and momentum. This is a review of observations of intrusions and the results of comparisons of properties such as scale, slopes, microstructure activity, and fluxes with theoretical models. A summary of estimates of lateral heat fluxes indicates a wide range of lateral diffusivities. We conclude by noting that our present knowledge is insufficient to predict the structure, lengthscales and lateral fluxes of thermohaline intrusions with confidence, and list a number of unresolved questions. Suggestions are made for collection of existing data into a database for exploratory analysis and testing of theoretical hypotheses. An outline is given of a potential collaborative field experiment using CTD, fluorescent dye, and microstructure observations.

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