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RISThe Open Boundary Condition in the United Kingdom Fine-Resolution Antarctic Model
Publisher: American Meteorological Society
Abstract: The United Kingdom Fine-Resolution Antartic Model (FRAM project) it a community program to study the Southern Ocean. Central to this is an eddy-resolving three-dimensional primitive-equation ocean general circulation model. ...
A New Tracer Advection Scheme for Bryan and Cox Type Ocean General Circulation Models
Publisher: American Meteorological Society
Abstract: In regions with large tracer gradients and/or velocities the advection scheme that is used in many ocean models leads to significant under- and overshoot of the tracer values. In the case of the U.K. Fine Resolution Antarctic ...
Nonlinear Climate Responses to Changes in Antarctic Intermediate Water
Publisher: American Meteorological Society
Abstract: he global impact of changes in Antarctic Intermediate Water (AAIW) properties is demonstrated using idealized perturbation experiments in a coupled climate model. Properties of AAIW were altered between 10° and 20°S in the ...
The Dynamics of the Antarctic Circumpolar Current
Publisher: American Meteorological Society
Abstract: The dynamics of the Antarctic Circumpolar Current (ACC) in a near-eddy-resolving model of the Southern Ocean (FRAM) are investigated. A streamwise coordinate system is used, rather than a more conventional approach of ...
Coupled Ocean–Atmosphere Interactions between the Madden–Julian Oscillation and Synoptic-Scale Variability over the Warm Pool
Publisher: American Meteorological Society
Abstract: A principal component analysis of the combined fields of sea surface temperature (SST) and surface zonal and meridional wind reveals that the dominant mode of intraseasonal (30 to 70 day) covariability during northern ...
Water Mass Conversion, Fluxes, and Mixing in the Scotia Sea Diagnosed by an Inverse Model
Publisher: American Meteorological Society
Abstract: An inverse box model of the Scotia Sea is constructed using hydrographic, tracer, and velocity data collected along the rim of the basin during the Antarctic Large-Scale Box Analysis and the Role of the Scotia Sea (ALBATROSS) ...
The Response of the Nordic Seas to Wintertime Sea Ice Retreat
Publisher: American Meteorological Society
The Role of Eddies in the Southern Ocean Temperature Response to the Southern Annular Mode
Publisher: American Meteorological Society
Abstract: The role of eddies in modulating the Southern Ocean response to the southern annular mode (SAM) is examined, using an ocean model run at multiple resolutions from coarse to eddy resolving. The high-resolution versions of ...
Variability of Subantarctic Mode Water and Antarctic Intermediate Water in the Drake Passage during the Late-Twentieth and Early-Twenty-First Centuries
Publisher: American Meteorological Society
Abstract: A time series of the physical and biogeochemical properties of Subantarctic Mode Water (SAMW) and Antarctic Intermediate Water (AAIW) in the Drake Passage between 1969 and 2005 is constructed using 24 transects of measurements ...
Mixed Layer Temperature Response to the Southern Annular Mode: Mechanisms and Model Representation
Publisher: American Meteorological Society
Abstract: Previous studies have shown that simulated sea surface temperature (SST) responses to the southern annular mode (SAM) in phase 3 of the Coupled Model Intercomparison Project (CMIP3) climate models compare poorly to the ...