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Extratropical Rossby Waves in the Presence of Buoyancy Mixing
Publisher: American Meteorological Society
Abstract: The propagation of Rossby waves on a midlatitude ? plane is investigated in the presence of density diffusion with the aid of linear hydrostatic theory. The search for wave solutions in a vertically bounded medium subject ...
On the Observability of Oceanic Gyres
Publisher: American Meteorological Society
Abstract: his study examines the observability of a stratified ocean in a square flat basin on a midlatitude beta plane. Here, ?observability? means the ability to establish, in a finite interval of time, the time-dependent ocean ...
On Material Transport by Shelfbreak Eddies
Publisher: American Meteorological Society
Abstract: The Lagrangian motion in the eddy field produced from an unstable retrograde jet along the shelf break is studied from idealized numerical experiments with a primitive equation model. The jet is initially in thermal wind ...
Nonuniform Upwelling in a Shallow-Water Model of the Antarctic Bottom Water in the Brazil Basin
Publisher: American Meteorological Society
Abstract: A numerical model based on the shallow-water equations is developed to represent the flow of Antarctic Bottom Water (AABW) in the Brazil Basin (southwest Atlantic Ocean). The aim is twofold. First, an attempt is made to ...
On the Estimation of Deep Atlantic Ventilation from Fossil Radiocarbon Records. Part I: Modern Reference Estimates
Publisher: American Meteorological Society
On the Estimation of Deep Atlantic Ventilation from Fossil Radiocarbon Records. Part II: (In)consistency with Modern Estimates
Publisher: American Meteorological Society
On the Abyssal Circulation in the Glacial Atlantic
Publisher: American Meteorological Society
Abstract: An inverse method is used to evaluate the information contained in sediment data for the Atlantic basin during the Last Glacial Maximum (defined here as the time interval 18?21 kyr before present). The data being considered ...
Can Paleoceanographic Tracers Constrain Meridional Circulation Rates?
Publisher: American Meteorological Society
Abstract: The ability of paleoceanographic tracers to constrain rates of transport is examined using an inverse method to combine idealized observations with a geostrophic model. Considered are the spatial distribution, accuracy, ...
Milankovitch Forcing and Meridional Moisture Flux in the Atmosphere: Insight from a Zonally Averaged Ocean–Atmosphere Model
Publisher: American Meteorological Society
Abstract: A 1-Myr-long time-dependent solution of a zonally averaged ocean?atmosphere model subject to Milankovitch forcing is examined to gain insight into long-term changes in the planetary-scale meridional moisture flux in the ...
On the Movements of the North Atlantic Subpolar Front in the Preinstrumental Past
Publisher: American Meteorological Society
Abstract: hree sediment records of sea surface temperature (SST) are analyzed that originate from distant locations in the North Atlantic, have centennial-to-multicentennial resolution, are based on the same reconstruction method ...