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RISOn the Stability of a Fluid with Specialized Density Stratification. Part I: Baroclinic Instability and Constant Bottom Slope
Publisher: American Meteorological Society
Abstract: A three-layer model is used to study the stability of large-scale oceanic zonal flows over topography. The mean density profile employed has upper and lower layers of constant densities ?1* and ?3*, respectively (?1*<?3*), ...
On the Stability of a Fluid with Specialized Density Stratification. Part II: Mixed Baroclinic-Barotropic Instability with Application to the Northeast Pacific
Publisher: American Meteorological Society
Abstract: Low-frequency motions (?0.25 cpd) have recently been observed in Juan de Fuca Strait. The three-layer model developed in Part I of this paper is used to show that some of this activity may be due to an instability (baroclinic) ...
Annual Velocity Variations in the Labrador Current
Publisher: American Meteorological Society
Abstract: Analyses of CTD and current meter data obtained between 1978 and 1988 off southern Labrador reveal two distinct regimes in the Labrador Current. The first lies over the shelf and upper slope and is the traditional Labrador ...
Filtering of Milankovitch Cycles by the Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: A low-order, basin-averaged, coupled atmosphere?ocean paleoclimate model is developed and the results from a 3.2-Myr model paleointegration described. A three-basin version of the Wright?Stocker ocean model is used to ...
Estimation of Low-Frequency Wind Stress Fluctuations over the Open Ocean
Publisher: American Meteorological Society
Abstract: A simple, approximate formula for mean wind stress is given in terms of the mean and variance of the wind fluctuations over the averaging period. The formula is nonlinear with respect to the mean wind speed. The formula ...