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RISGeneration Mechanism of Spiciness Anomalies: An OGCM Analysis in the North Atlantic Subtropical Gyre
Publisher: American Meteorological Society
Abstract: Oceanic teleconnections between the low and midlatitudes are a key mechanism to understanding the climate variability. Spiciness anomalies (density-compensated anomalies) have been shown to transport temperature and salinity ...
Interannual Variability of the Mixed Layer Winter Convection and Spice Injection in the Eastern Subtropical North Atlantic
Publisher: American Meteorological Society
Abstract: he Argo dataset is used to study the winter upper-ocean conditions in the northeastern subtropical (NEA) Atlantic during 2006?12. During late winter 2010, the mixed layer depth is abnormally shallow and a negative anomaly ...
The Deep Interior Downwelling, the Veronis Effect, and Mesoscale Tracer Transport Parameterizations in an OGCM
Publisher: American Meteorological Society
Abstract: Numerous numerical simulations of basin-scale ocean circulation display a vast interior downwelling and a companion intense western boundary layer upwelling at midlatitude below the thermocline. These features, related to ...
Physics and Dynamics of Density-Compensated Temperature and Salinity Anomalies. Part I: Theory
Publisher: American Meteorological Society
Abstract: Subducted temperature anomalies have been invoked as a possible way for midlatitudes to alter the climate variability of equatorial regions through the so-called thermocline bridge, both in the Pacific and Atlantic Oceans. ...
Impact of Synoptic Wind Intensification and Relaxation on the Dynamics and Heat Budget of the South Senegalese Upwelling Sector
Publisher: American Meteorological Society
Trains of African Easterly Waves and Their Relationship to Tropical Cyclone Genesis in the Eastern Atlantic
Publisher: American Meteorological Society
Abstract: n this study, the relationship between trains of African easterly waves (AEWs) and downstream tropical cyclogenesis is studied. Based on 19 summer seasons (July?September from 1990 to 2008) of ERA-Interim reanalysis fields ...
Analysis of Strengthening and Dissipating Mesoscale Convective Systems Propagating off the West African Coast
Publisher: American Meteorological Society
Abstract: large number of Atlantic tropical depressions are generated in the eastern basin in relation to the African easterly wave (AEW) and embedded mesoscale convective systems (MCSs) coming from the African continent. In this ...
Is There Evidence of Changes in Tropical Atlantic Variability Modes under AMO Phases in the Observational Record?
Publisher: American Meteorological Society
Abstract: AbstractThe Atlantic multidecadal oscillation (AMO) is the leading mode of Atlantic sea surface temperature (SST) variability at multidecadal time scales. Previous studies have shown that the AMO could modulate El Niño?Southern ...
Impact of Synoptic Wind Intensification and Relaxation on the Dynamics and Heat Budget of the South Senegalese Upwelling Sector
Publisher: American Meteorological Society
On the Dynamics of the Southern Senegal Upwelling Center: Observed Variability from Synoptic to Superinertial Scales
Publisher: American Meteorological Society
Abstract: pwelling off southern Senegal and Gambia takes place over a wide shelf with a large area where depths are shallower than 20 m. This results in typical upwelling patterns that are distinct (e.g., more persistent in time and ...