Properties of the discretely stratified microstructure in the Arctic Ocean

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Author
Barney, William Clifford
Date
1971-09Advisor
Denner, Warren W.
Second Reader
Galt, J.A.
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Show full item recordAbstract
The layered micro-structure in the Arctic Ocean is examined from
long time-series of high-resolution temperature profiles and concurrent
digital salinity data. The motion within the layers is found to be turbulent,
while the flow within the interface sheets is laminar. The structure
is stable for long periods of time, and is coherent for a considerable horizontal
extent. It is suggested that the initial formation of the layers is
due to the energy dissipation of higher modes of locally generated internal
waves. The layers may be sustained for long periods by weak shear produced
by geostrophic density currents. The distribution of salinity and
temperature differences between layers indicates that the layers are ir, a
state of dynamic equilibrium , the differing diffusion characteristics of heat
and salt accounting for the transfer of these properties across the interface
sheets.
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