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A Baroclinic Laminar State for Rotating Stratified Flows
Publisher: American Meteorological Society
Abstract: A baroclinic laminar model is developed as the late-time equilibrium state in the free decay of rotating stratified turbulence under low-Froude-number scaling. Vertical motions are suppressed by stratification and ambient ...
Temperature Phase Tilt in Unstable Baroclinic Waves
Publisher: American Meteorological Society
Abstract: A general property on the phase relation in linear baroclinic instability is proved analytically: in a potential vorticity homogenization regime, the complex geometry of the quasigeostrophic equations determines that the ...
Equivalent-Barotropic Definition of Tropospheric Mean Temperature
Publisher: American Meteorological Society
Abstract: An equivalent-barotropic (EB) description of the tropospheric temperature field is derived from the geostrophic empirical mode (GEM) in the form of a scalar function Γ(p, ?), where p is pressure and ? is 300?850-mb thickness. ...
A Pulsation Mode in the Antarctic Circumpolar Current South of Australia
Publisher: American Meteorological Society
Abstract: A streamfunction EOF method is developed to identify long-term thermohaline variations within a strong baroclinic current. The temporal variability associated with meandering fronts and mesoscale eddies is removed by ...
A Two-Dimensional Gravest Empirical Mode Determined from Hydrographic Observations in the Subantarctic Front
Publisher: American Meteorological Society
Abstract: South of Australia, where the baroclinicity in the Subantarctic Front extends almost to the seafloor, the geopotential height of the sea surface (?) and the vertical acoustic travel time (τ) exhibit a tight empirical ...