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Bottom Water Circulation in the Western North Atlantic
Water Circulation Western North Atlantic
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2008/12/22
Antarctic Bottom Water flows into the western North Atlantic across the equator, shifting from the western side to the eastern side of the trough between the American continents and the Mid-Atlantic R...
Instability of the Gulf Stream Front in the South Atlantic Bight
Gulf Stream Front South Atlantic Bight frontal zones
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2008/12/19
To understand Gulf Stream meanders in the South Atlantic Bight, the growth of three-dimensional perturbations along two-dimensional frontal zones is examined by using linearized primitive equations. T...
A Description of COADS Surface Meteorological Fields and the Implied Sverdrup Transports for the Atlantic Ocean from 30°S to 60°N
Atlantic Ocean wind-driven circulation Sverdrup Transports Surface Meteorological Fields
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2008/12/19
Using COADS data spanning 1947–1988, we describe the regional nature of the Atlantic Ocean wind-driven circulation between 30°8 and 60°N and its annual and interannual variability. The Sverdrup stream...
Crossing of the Equator by the Deep Western Boundary Current in the Western Atlantic Ocean
deep western boundary current North Atlantic Deep Water Western Atlantic Ocean
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2008/12/19
Property distributions and geostrophic shear from a hydrographic section near 37°W in the Atlantic Ocean show the deep western boundary current (DWBC) in the North Atlantic Deep Water (NADW) establish...
Determining the Mean, Large-Scale Circulation of the Atlantic with the Adjoint Method
Large-Scale Circulation Atlantic Adjoint Method
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2008/12/19
A new model approach based on the adjoint formalism and aimed at assimilating large sets of hydrographic data is presented. The goal of the model calculations is to obtain the mean, large-scale ocean ...
Variability of the Tropical Atlantic Ocean Simulated by a General Circulation Model with Two Different Mixed-Layer Physics
Tropical Atlantic Ocean General Circulation Model Mixed-Layer Physics
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2008/12/18
The embedment of a 1.5 turbulence closure model in an ocean general circulation model of the equatorial Atlantic is presented. The eddy viscosity and diffusivity involved in the vertical mixing are de...
Inferring the Subduction Rate and Period over the North Atlantic
Subduction Rate North Atlantic mixed-layer fluid
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2008/12/18
The annual rate at which mixed-layer fluid is transferred into the permanent thermocline—that is, the annual subduction rate Sann and the effective subduction period eff—is inferred from climatologica...
The North Atlantic Circulation in the Early 1980s-An Estimate from Inversion of a Finite-Difference Model
North Atlantic Circulation Finite-Difference Model
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2008/12/18
A finite-difference model of the North Atlantic is constructed for the purpose Of making an estimate of the circulation through an inverse calculation. The database is eclectic, and includes hydrograp...
Simulation of the Atlantic Circulation with a Coupled Sea Ice-Mixed Layer-Isopycnal General Circulation Model. Part II：Model Experiment
Atlantic Circulation Sea Ice-Mixed Layer-Isopycnal General Circulation Model
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2008/12/18
An ocean general circulation model (OGCM) formulated on isopycnal coordinates is used to model the circulation of the Atlantic. The model domain is bounded meridionally at 30°S and the North Pole and ...
Simulation of the Atlantic Circulation with a Coupled Sea Ice-Mixed Layer-Isopycnal General Circulation Model. Part I：Model Description
Atlantic Circulation Sea Ice-Mixed Layer-Isopycnal General Circulation Model
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2008/12/18
A diabatic ocean general circulation model based on primitive equations is described. It uses isopycnals as Lagrangian coordinates in the vertical and predicts a free surface. Prognostic fields of tem...
An Inverse Model of the North Atlantic General Circulation Using Lagrangian Float Data
Inverse Model Lagrangian Float Data North Atlantic General Circulation
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2008/12/18
A nonlinear finite-difference inverse model is used for estimating the North Atlantic general circulation between 20° and 50°N. The inverse model with grid spacing 2° latitude and 2.5° longitude is ba...
Testing, Model Simulations of the Thermocline Depth Variability in the Tropical Atlantic from 1982 through 1984
linear multimode model hermocline Depth Variability Tropical Atlantic
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2008/12/18
The multivariate model toning procedure of Frankignoul et al. has been extended to the general time-series case, thus allowing to test ocean model ability at simulating the interannual variability. Th...
Response of Circulation and Heat Transport in the North Atlantic to Changes in Thermohaline Forcing in Northern Latitudes：A Model Study
Northern Latitudes Thermohaline Forcing Heat Transport
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2008/12/17
To avoid an explicit simulation of the overflows across the Greenland-Scotland ridge, many models of the large-scale ocean circulation seek to include the net effect of the inflowing dense water masse...
An Interannual Study of the Atlantic North Equatorial Countercurrent
Atlantic North Equatorial Countercurrent Inverted Echo Sounders sea surface
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2008/12/17
Beginning in 1983, the dynamic height difference at the sea surface defining the countercurrent trough at 38°W was continuously observed by Inverted Echo Sounders at 3°N and 9°N for six years and ten ...
Mesoscale Instability and Upwelling. Part 1：Observations at the North Atlantic Intergyre Front
Mesoscale Instability North Atlantic Intergyre Front Upwelling
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2008/12/16
Mesoscale instabilities have been found with a wavelength of about 85 km growing along the meandering jet of the North Atlantic Intergyre Front at about 52°N, 33°W. They show the signature of baroclin...