منابع مشابه
Forcing of anthropogenic aerosols on temperature trends of the sub-thermocline southern Indian Ocean
In the late twentieth century, the sub-thermocline waters of the southern tropical and subtropical Indian Ocean experienced a sharp cooling. This cooling has been previously attributed to an anthropogenic aerosol-induced strengthening of the global ocean conveyor, which transfers heat from the subtropical gyre latitudes toward the North Atlantic. From the mid-1990s the sub-thermocline southern ...
متن کاملThermocline ventilation and pathways of tropical–subtropical water mass exchange
The mechanism of thermocline ventilation is investigated using a global, high-resolution ocean GCM, with realistic topography and surface wind forcing. Because 2-dimensional representations of circulation can be misleading, the subsurface flow is examined by visualizing the trajectories of particles which subduct in the mid-latitudes and travel within the ventilated thermocline. Three model run...
متن کاملEffects of ocean thermocline variability on noncoherent underwater acoustic communications.
The performance of acoustic modems in the ocean is strongly affected by the ocean environment. A storm can drive up the ambient noise levels, eliminate a thermocline by wind mixing, and whip up violent waves and thereby break up the acoustic mirror formed by the ocean surface. The combined effects of these and other processes on modem performance are not well understood. The authors have been c...
متن کاملOcean Dynamics, Thermocline Adjustment, and Regulation of Tropical SST
The role of tropical Pacific ocean dynamics in regulating the ocean response to thermodynamic forcing is investigated using an ocean general circulation model (GCM) coupled to a model of the atmospheric mixed layer. It is found that the basin mean sea surface temperature (SST) change is less in the presence of varying ocean heat transport than would be the case if the forcing was everywhere bal...
متن کاملEvaluation of interior circulation in a high resolution global ocean model; Part II: Southern Hemisphere Intermediate, Mode and Thermocline Waters
A high-resolution, off-line, ocean general circulation model, incorporating a realistic parameterisation of mixed layer convection is used to diagnose pathways and timescales of Southern Hemisphere Intermediate, Mode and thermocline water ventilation. Simulated and observed CFC-11 are in reasonably good agreement, demonstrating the model’s skill in representing realistic ventilation. Regional p...
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ژورنال
عنوان ژورنال: Journal of Physical Oceanography
سال: 2010
ISSN: 1520-0485,0022-3670
DOI: 10.1175/2009jpo4291.1