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Intercomparison of Quasi-Geostrophic Simulations of the Western North Atlantic Circulation with Primitive Equation Results
Western North Atlantic Circulation Primitive Equation Results
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2009/2/23
The purpose of this paper is to compare two numerical models of vastly different complexity and computational requirements, which have been used recently in a number of midlatitude ocean simulations. ...
Estimation of Meridional Heat Flux in the North Atlantic by Inverse Methods
Meridional Heat Flux North Atlantic Inverse Methods
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2009/2/19
Hydrographic sections spanning the Atlantic Ocean at 24, 36 and 48°N are used to make an estimate of meridional heat flux in the ocean. An inverse method provides reference level velocities for geostr...
Monthly Mean Wind Fields for the South Atlantic Bight
Monthly Mean Wind Fields South Atlantic Bight
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2009/2/18
A total of 339 389 marine weather observations have been analyzed to Produce Monthly mean wind fields for the South Atlantic Bight. The results of plotting wind vectors on a 1/2° latitude by 1/2° long...
Variability of Near-Surface Currents in the Atlantic North Equatorial Countercurrent during GATE
Near-Surface Currents GATE Atlantic North Equatorial Countercurrent
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2009/2/18
Measurements of wind at 5 m height, currents at 7.6, 15.4. 21.4 and 27.5 m depths, and temperature at 19 depths between 0.4 and 43.3 m depths were made from 19 August to 12 September 1974 at 8°41′N, 2...
Absolute Geostrophic Velocity Determination from Historical Hydrographic Data in the Western North Atlantic
Western North Atlantic Geostrophic Velocity Historical Hydrographic Data
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2009/2/18
Beta-spiral calculations are presented using averaged western North Atlantic hydrographic data from the period 1914–73. Profiles of long-term mean geostrophic flow relative to ISM db along 70°W from 2...
Temperature Microstructure in the Equatorial Atlantic
Temperature Microstructure Equatorial Atlantic
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2009/2/16
Vertical profiles of temperature microstructure were collected at seven sites in the equatorial Atlantic between 24°W and 33°W, 2°N and 1°20′S. The use of three identical temperature microstructure pr...
Low-Frequency Current Variability on the Southern Mid-Atlantic Bight
Low-Frequency Current Southern Mid-Atlantic Bight
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2009/2/13
Low-frequency current variability on the continental shelf, 84 km off the mouth of the Chesapeake Bay, was examined from 4-month (mid-March to June 1975) current, sea level and meteorological records....
Variability of Potential Energy, Dynamic Height and Salinity in the Main Pycnocline of the Western North Atlantic
Potential Energy Main Pycnocline Western North Atlantic
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2009/2/13
Hydrographic data in the upper 2 km from the period 1914–73 have been analyzed in the western North Atlantic (22–36°N, 66–74°W). Expendable bathythermograph (XBT) data were also analyzed and compared ...
Subthermocline Countercurrents in the Western Equatorial Atlantic Ocean
Subthermocline Countercurrents Western Equatorial Atlantic Ocean
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2009/2/13
In each hemisphere of the Atlantic, a permanent countercurrent (eastward flow) having a core about 4.5° from the Equator is present in the subthermocline layer from 80 to 200 cl t−1 (centiliters...
Observations of Interaction between the Internal Wavefield and Low-Frequency Flows in the North Atlantic
Interaction Low-Frequency Flows Internal Wavefield North Atlantic
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2009/2/13
A total of four moorings from POLYMODE array I and II were analyzed in an investigation of the interaction of wavefields and mean flow. In particular, evidence for internal wave-mean flow interaction ...
Modal Properties of Antarctic Intermediate Water in the Southeast Pacific and the South Atlantic
Antarctic Intermediate Water Subantarctic Mode Water
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2009/2/13
Modal properties of Antarctic Intermediate Water (AAIW) are determined from bivariate distribution diagrams for two regions in the southeast Pacific and two regions in the South Atlantic. The volumetr...
Observations of Inertia-Gravity Waves in the Atlantic from Inverted Echo Sounders during FGGE
Inertia-Gravity Waves Inverted Echo Sounders
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2009/2/10
The study is based on observations from inverted echo sounders anchored near the equator in the western Atlantic Ocean. It appears to be a good method of detecting inertia-gravity waves with large ver...
Annual Heat Gain of the Tropical Atlantic Computed from Subsurface Ocean Data
Annual Heat Gain Subsurface Ocean Data Tropical Atlantic
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2009/2/10
Charts are presented which show the seasonal and annual rates of heat gain of the tropical North Atlantic Ocean. These rates have been computed using subsurface oceanographic data and wind-stress data...
An Analysis of Subtidal Current Fluctuations in the Middle Atlantic Bight
Middle Atlantic Bight Subtidal Current Fluctuations
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2009/2/10
Subtidal current fluctuations in the Middle Atlantic Bight are examined from current-meter data collected in 1975 and 1976. Spectral analysis provides evidence for both locally wind-forced response an...
The General Circulation and Meridional Heat Transport of the Subtropical South Atlantic Determined by Inverse Methods
North Atlantic Deep Water General Circulation Meridional Heat Transport
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2009/2/10
Using hydrographic data of the IGY and METEOR expeditions, the inverse method of Wunsch (1978) has been applied to the subtropical South Atlantic Ocean to determine its general circulation and meridio...