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RISOn the Role of Interior Mixing and Air-Sea Fluxes in Determining the Stratification and Circulation of the Oceans
Publisher: American Meteorological Society
Abstract: The problem of determining the (eastern boundary) basic stratification and the buoyancy-driven circulation of the oceans is addressed. A global integral constraint relating the interior stratification and the air-sea heat ...
Calculating the Time-Mean Oceanic General Circulation and Mixing Coefficients from Hydrographic Data
Publisher: American Meteorological Society
Abstract: The relation between the circulation calculated from averaged hydrographic data (such as the Levitus data), and the actual time average circulation is examined using a CTD dataset which provides both time and space coverage ...
Proximity of the Present-Day Thermohaline Circulation to an Instability Threshold
Publisher: American Meteorological Society
Abstract: The relation between the mean state of the thermohaline circulation (THC) and its stability is examined using a realistic-geometry primitive equation coupled ocean?atmosphere?ice global general circulation model. The main ...
Essential Ingredients to the Dynamics of Westerly Wind Bursts
Publisher: American Meteorological Society
Abstract: AbstractWesterly wind bursts (WWBs) are brief, anomalously westerly winds in the tropical Pacific that play a role in the dynamics of ENSO through their forcing of ocean Kelvin waves. They have been associated with atmospheric ...
Exploring Subtropical Stratocumulus Multiple Equilibria Using a Mixed-Layer Model
Publisher: American Meteorological Society
Untitled
Publisher: American Meteorological Society
Abstract: AbstractSudden stratospheric warming (SSW) events influence the Arctic Oscillation and midlatitude extreme weather. Observations show SSW events to be correlated with certain phases of the Madden?Julian oscillation (MJO), ...
Rates of Water Mass Formation in the North Atlantic Ocean
Publisher: American Meteorological Society
Abstract: North Atlantic air-sea heat and freshwater flux data from several sources are used to estimate the conversion rate of water from one density to another throughout the range of sea surface density. This cross-isopycnal mass ...
ENSO’s Phase Locking to the Seasonal Cycle in the Fast-SST, Fast-Wave, and Mixed-Mode Regimes
Publisher: American Meteorological Society
Abstract: The physical mechanism underlying ENSO?s phase locking to the seasonal cycle is examined in three parameter regimes: the fast-SST limit, the fast-wave limit, and the mixed SST?wave dynamics regime. The seasonal cycle is ...
Optimal Surface Excitation of the Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: The amplification of thermohaline circulation (THC) anomalies resulting from heat and freshwater forcing at the ocean surface is investigated in a zonally averaged coupled ocean?atmosphere model. Optimal initial conditions ...
A Wind-Induced Thermohaline Circulation Hysteresis and Millennial Variability Regimes
Publisher: American Meteorological Society
Abstract: The multiple equilibria of the thermohaline circulation (THC: used here in the sense of the meridional overturning circulation) as function of the surface freshwater flux has been studied intensively following a Stommel ...