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RISA Numerical Study of the Response of an Idealized Ocean to Large-Scale Surface Heat and Momentum Flux
Publisher: American Meteorological Society
Abstract: A numerical model of a 6-level, baroclinic ocean with a flat bottom and a regular coast line extending from 51.25S to 48.75N is integrated over 125 years of simulated time using a finite-difference analog of the primitive ...
Surface Thermal Boundary Condition for Ocean Circulation Models
Publisher: American Meteorological Society
Abstract: By employing a heat budget analysis appropriate to zonally and time averaged conditions within the atmosphere, it is shown that the net downward heat flux Q at the ocean's surface can be expressed as Q = Q2 (TA*?Ts), where ...
On the Pressure Gradient Force over Steep Topography in Sigma Coordinate Ocean Models
Publisher: American Meteorological Society
Abstract: The error in computing the pressure gradient force near steep topography using terms following (σ) coordinates is investigated in an ocean model using the family of vertical differencing schemes proposed by Arakawa and ...
A Numerical Case Study of the Development of Large-Scale Thermal Anomalies in the Central North Pacific Ocean
Publisher: American Meteorological Society
Abstract: A 10-level primitive equation ocean circulation model is used to investigate the formation and evolution of large-scale thermal anomalies in the central North Pacific Ocean during the fall and winter of 1976?77. A simplified ...
BEHAVIOR OF THE PRINCIPAL HARMONICS OF SELECTED 5-DAY MEAN 500-MB. CHARTS
Publisher: American Meteorological Society
Abstract: The coefficients An and Bn, and the percentage of the total height variance accounted for by each harmonic were computed for the first three longitudinal harmonics of 5-day mean 500-mb. height-contour charts at each 10° ...
Midlatitude Sea Surface Temperature Anomalies: A Numerical Hindcast
Publisher: American Meteorological Society
Abstract: A multilevel primitive equation, ocean circulation model with surface layer physics is used to study the interannual variability of sea surface temperatures (SST) in the central midlatitude North Pacific Ocean. Results ...
On the Shear and Curvature Vorticity Equations
Publisher: American Meteorological Society
Abstract: The tendency equations for shear and curvature vorticity are interpreted as a function of the terms that modify speed and direction on in a fluid element. The tendency equations consistent with this interpretation do not ...
On the Relative Vorticity of the Atlantic Jet in the Alboran Sea
Publisher: American Meteorological Society
Abstract: It is shown, from hydrographic data, that the eastward flowing Atlantic jet (AJ) in the Alboran Sea has zero or positive relative vorticity. This holds even when the AJ curves anticyclonically around the western and eastern ...
About the Nature of the Generalized Omega Equation
Publisher: American Meteorological Society
Abstract: The generalized omega equation (? equation) for hydrostatic, inviscid, isentropic, Boussinesq flow is interpreted in terms of the change of differential relative vorticity in a fluid parcel. A new formulation of the ? ...