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RISAtmospheric Control on the Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: In an attempt to elucidate the role of atmospheric and oceanic processes in setting a vigorous ocean overturning circulation in the North Atlantic but not in the North Pacific, a comparison of the observed atmospheric ...
Why Is North Tropical Atlantic SST Variability Stronger in Boreal Spring?
Publisher: American Meteorological Society
Abstract: It is suggested that the seasonal dependence of interannual variability displayed by observed sea surface temperature (SST) over the north tropical Atlantic primarily reflects the seasonality of the remote forcing associated ...
A New Climatology of Air–Sea Density Fluxes and Surface Water Mass Transformation Rates Constrained by WOCE
Publisher: American Meteorological Society
Abstract: Global air?sea heat and freshwater flux data, constrained by World Ocean Circulation Experiment (WOCE) hydrographic section transports, is used to construct a new global density flux climatology. Global transformations ...
Observations of Entry and Exit of Potential Vorticity at the Sea Surface
Publisher: American Meteorological Society
Abstract: Although potential vorticity (PV) is central to many theories of the oceanic circulation, the entry?exit of PV at the sea surface has not been thoroughly discussed from an observational perspective. After clarifying the ...
The Partitioning of Poleward Heat Transport between the Atmosphere and Ocean
Publisher: American Meteorological Society
Abstract: Observations of the poleward heat transport of the earth (H) suggest that the atmosphere is the primary transporting agent poleward of 30°, that oceanic (HO) and atmospheric (HA) contributions are comparable in the tropical ...
Observed Impact of Atlantic SST Anomalies on the North Atlantic Oscillation
Publisher: American Meteorological Society
Abstract: The large-scale patterns of covariability between monthly sea surface temperature (SST) and 500-mb height anomalies (Z500) in the Atlantic sector are investigated as a function of time lag in the NCEP?NCAR reanalysis ...
The Global Atmospheric Circulation in Moist Isentropic Coordinates
Publisher: American Meteorological Society
Abstract: Differential heating of the earth?s atmosphere drives a global circulation that transports energy from the tropical regions to higher latitudes. Because of the turbulent nature of the flow, any description of a ?mean ...
Air–Sea Feedback in the North Atlantic and Surface Boundary Conditions for Ocean Models
Publisher: American Meteorological Society
Abstract: Extratropical sea surface temperature (SST) and surface turbulent heat flux monthly anomalies in the central and eastern part of the North Atlantic are considered for the period 1952?92 on a 5° ? 5° grid. In this region ...
Impact of Anomalous Ocean Heat Transport on the North Atlantic Oscillation
Publisher: American Meteorological Society
Abstract: Coupled atmosphere?ocean dynamics in the North Atlantic is studied by means of a simple model, featuring a baroclinic three-dimensional atmosphere coupled to a slab ocean. Anomalous oceanic heat transport due to wind-driven ...
Sea Surface Temperature Variability along the Path of the Antarctic Circumpolar Current
Publisher: American Meteorological Society
Abstract: The spatial and temporal distributions of sea surface temperature (SST) anomalies in the Antarctic Circumpolar Current (ACC) are investigated, using monthly data from the NCEP?NCAR reanalysis for the period 1980?2004. ...