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Instability of Two-Dimensional Themohaline Circulation
Publisher: American Meteorological Society
Abstract: Two different two-dimensional models of the thermohaline circulation of the ocean have been used to study the loss of stability of a thermally dominated symmetrical two-cell circulation. Although the models differ in their ...
Multiple Equilibria in Ocean Models as a Side Effect of Convective Adjustment
Publisher: American Meteorological Society
Abstract: Multiple equilibria under identical surface forcing have been found in a model for the thermohaline circulation of the ocean (THC). The equilibria are characterized by different convective patterns. With the help of numerical ...
Relations between Northward Ocean and Atmosphere Energy Transports in a Coupled Climate Model
Publisher: American Meteorological Society
Abstract: The Third Hadley Centre Coupled Ocean?Atmosphere General Circulation Model (HadCM3) is used to analyze the relation between northward energy transports in the ocean and atmosphere at centennial time scales. In a transient ...
Multidecadal to Centennial Variability of the AMOC: HadCM3 and a Perturbed Physics Ensemble
Publisher: American Meteorological Society
Abstract: ultidecadal to centennial variability of the Atlantic meridional overturning circulation (AMOC) is investigated in a multi-thousand-year simulation of the third version of the Hadley Centre Coupled Model (HadCM3) and in ...
Low-Latitude Freshwater Influence on Centennial Variability of the Atlantic Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: Variability of the thermohaline circulation (THC) has been analyzed in a long control simulation by the Met Office's Third Hadley Centre Coupled Ocean?Atmosphere General Circulation Model (HadCM3). It is shown that internal ...
Tropical and Extratropical Responses of the North Atlantic Atmospheric Circulation to a Sustained Weakening of the MOC
Publisher: American Meteorological Society
Abstract: The tropospheric response to a forced shutdown of the North Atlantic Ocean?s meridional overturning circulation (MOC) is investigated in a coupled ocean?atmosphere GCM [the third climate configuration of the Met Office ...
Large-Scale Atlantic Salinity Changes over the Last Half-Century: A Model–Observation Comparison
Publisher: American Meteorological Society
Abstract: Large-scale freshening of the northern Atlantic, and concurrent salinity increases in the low-latitude Atlantic upper layers, have been widely reported for the second half of the twentieth century. The role of anthropogenic ...
Processes Governing the Recovery of a Perturbed Thermohaline Circulation in HadCM3
Publisher: American Meteorological Society
Abstract: In an experiment with the latest version of the Hadley Centre climate model the model response has been analyzed after the thermohaline circulation (THC) in the Atlantic Ocean has been suppressed. The suppression is induced ...
Evaluating Benefits of Two-Way Ocean–Atmosphere Coupling for Global NWP Forecasts
Publisher: American Meteorological Society