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Unsteady Abyssal Circulation Driven by a Discrete Buoyancy Source in a Continuously Stratified Ocean
Publisher: American Meteorological Society
Abstract: Analytical and numerical models are presented for linear quasigeostrophic buoyancy-driven flow forced bya time periodic pulsating point mass source in a continuously stratified, incompressible ?-plane ocean withconstant ...
Buoyancy-driven Abyssal Circulation in a Circumpolar Ocean
Publisher: American Meteorological Society
Abstract: Simple models are developed to describe the abyssal circulation in a circumpolar ocean driven by localized annual sources of water representing convection events. Models are based on a geostrophic reduced-gravity formulation ...
Rossby Wave Scattering by a Meridional Line Barrier in an Infinitely Long Zonal Channel
Publisher: American Meteorological Society
Abstract: The interaction of a prescribed channel mode Rossby wave with a meridional line barrier situated in an infinitely long, zonally aligned channel is considered. An analytical solution for the scattered field is presented for ...
Forced Trench Waves
Publisher: American Meteorological Society
Abstract: A general theory for forced barotropic long trench waves in the presence of linear bottom friction is presented. Two specific forcing mechanisms are considered: (i) transverse fluctuations in a western boundary current as ...
A Simple Steady-State Coupled Ice-Ocean Model, with Application to the Greenland-Norwegian Sea
Publisher: American Meteorological Society
Abstract: A thermodynamic reduced-gravity ocean model forced by the steady-state surface wind stress and a Haney-type heat flux was used to determine the climatological ice-edge position, ice thickness, ocean circulation, and ...
Freely Propagating Trench Waves on a Beta-Plane
Publisher: American Meteorological Society
Abstract: The dispersion relation is derived for trapped freely propagating barotropic long trench waves on a midlatitude ?-plane. It is found that a critical wavenumber kc, which depends on trench orientation and wave frequency, ...
Abyssal Circulation in a Circumpolar Basin Driven by Discrete Sources of Buoyancy
Publisher: American Meteorological Society
Abstract: The response of the deep ocean to periodic and steady forcing by mass sources is considered, in the presence of fluid loss, diffusion, and topography, which may or may not have regions of closed planetary vorticity. There ...
On the Role of Topography and Wind Stress on the Stability of the Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: A frictional geostrophic model is used to examine how the stability of the thermohaline circulation is affected by idealized topographic variations and the presence or absence of wind stress. If the flow exhibits collapses, ...
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