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Low-Frequency Variability in the Wind-Driven Circulation
Publisher: American Meteorological Society
Abstract: The origins of low-frequency variability in a simple homogenous ocean model, forced by a double gyre Ekman suction, are examined numerically. It is found that irregular, large amplitude vacillations in the structure of the ...
Meander Evolution on Piecewise-Uniform, Quasi-geostrophic Jets
Publisher: American Meteorological Society
Abstract: A variety of simple, two-layer representations of a quasi-geostrophic jet along a vorticity front are initialized with a simple meander. The subsequent evolution of the jet is followed and related to the observed behavior ...
The Dynamics of a Simple Baroclinic Model of the Wind-Driven Circulation
Publisher: American Meteorological Society
Abstract: The authors study the dynamics of a two-layer approximation to the steadily forced baroclinic circulation in a closed ocean basin with the aim of understanding its temporal variability and the onset of low-frequency ...
Instabilities of Gravity Currents along a Slope
Publisher: American Meteorological Society
Abstract: This work examines the linear stability of rotationally influenced density currents with zero potential vorticity flowing over a sloping seafloor at the base of an ocean of finite depth. This configuration serves as a crude ...