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RISOn the Numerical Implementation of Advection Schemes for Use in Conjunction with Various Mixing Parameterizations in the GFDL Ocean Model
Publisher: American Meteorological Society
Abstract: The results from ocean model experiments conducted with isopycnal and isopycnal thickness diffusion parameterizations for subgrid-scale mixing associated with mesoscale eddies are examined from a numerical standpoint. It ...
On the Variability of the Thermohaline Circulation in the GFDL Coupled Model
Publisher: American Meteorological Society
Abstract: The ocean component of the Geophysical Fluid Dynamics Laboratory coupled model is used to investigate whether or not the interdecadal variability found in Delworth et al. is an ocean-only mode or a mode of the full coupled ...
The Southern Ocean as a Source Region for Tropical Atlantic Variability
Publisher: American Meteorological Society
Abstract: A coupled model of intermediate complexity is used to examine the effect of the Southern Ocean on tropical Atlantic variability. Model experiments with positive surface temperature, freshwater, and wind forcings in the ...
The Role of Mixed Boundary Conditions in Numerical Models of the Ocean's Climate
Publisher: American Meteorological Society
Abstract: Several simple numerical experiments are conducted, using both single- and double-hemisphere ocean basins under symmetric steady forcing to study de ocean's thermohaline circulation. It is shown that a stable steady state ...
Sea Surface Temperature-Evaporation Feedback and the Ocean's Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: A simple surface boundary condition that allows evaporation to depend on sea surface temperature is developed for use in uncoupled ocean models. A positive feedback with the thermohaline circulation is produced, whereby ...
A Horizontal Resolution and Parameter Sensitivity Study of Heat Transport in an Idealized Coupled Climate Model
Publisher: American Meteorological Society
Abstract: An idealized coupled ocean?atmosphere model is utilized to study the influence of horizontal resolution and parameterized eddy processes on the poleward heat transport in the climate system. A series of experiments ranging ...
Thermohaline Variability: The Effects of Horizontal Resolution and Diffusion
Publisher: American Meteorological Society
Abstract: An idealized coupled ocean?atmosphere model is utilized to study the influence of horizontal resolution and parameterized eddy processes on the thermohaline circulation. A series of experiments ranging from 4° to 0.25° ...
The Influence of Buoyancy Flux from Estuaries on Continental Shelf Circulation
Publisher: American Meteorological Society
Abstract: The release of freshwater from a midlatitude estuary to the continental shelf is modeled numerically as a Rossby adjustment problem using a primitive equation model. As the initial salinity front is relaxed, a first ...
The Impact of Tropical Atlantic Freshwater Fluxes on the North Atlantic Meridional Overturning Circulation
Publisher: American Meteorological Society
Abstract: The influence of ENSO-related changes in the Atlantic-to-Pacific freshwater budget on the North Atlantic meridional overturning is examined using the University of Victoria (UVic) Earth System Climate Model. The initial ...