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Hydrographic surveys of ports and harbours are undertaken primarily to support the safe navigation of vessels. Port authorities are charged with maintaining and developing their harbours with regard t...
Absolute Geostrophic Velocity Determination from Historical Hydrographic Data in the Western North Atlantic
Western North Atlantic Geostrophic Velocity Historical Hydrographic Data
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...
Determination of the Pressure Along a Closed Hydrographic Section. Part I：The Ideal Case
Ideal Case Closed Hydrographic Section
2009/2/5
The pressure along a closed hydrographic section can be correctly calculated from density data, in the ideal case of perfectly steady, geostrophic, density-conserving flow; and from dense, error-free ...
Fine and Microstructure Observations on a Hydrographic Section from the Azores to the Flemish Cap
conductivity-temperature-depth Flemish Cap Hydrographic Section
2009/2/5
Continuous conductivity-temperature-depth-dissolved-oxygen (CTD) data are used to investigate the spatial distribution of fine and microstructure between the Azores and Flemish Cap. The CTD data are u...
Mesoscale (50–100 km) Circulations Revealed by Inverse and Classical Analysis of the JASIN Hydrographic Data
Mesoscale (50–100 km) Circulations Inverse JASIN Hydrographic Data
2009/2/5
Inverse analysis (Wunsch, 1978) has been applied to two 10-day surveys of an area 15 km consisting of nearly 100 CTD stations, in order to determine the velocity field with a horizontal resolution of ...
Hydrographic Observations along the CODE Central Line off Northern California, 1981
CODE Central Line CTD Northern California
2009/1/21
Repeated CTD observations were made along a single section spanning the continental shelf off northern California at 38°40′N during 1981. The section consisted of nine standard stations between 1 and ...
Velocity and Hydrographic Structure of a Gulf Stream Warm-Core Ring
Gulf Stream Warm-Core Ring horizontal currents acoustic-Doppler system
2009/1/20
The hydrographic and velocity structure of Gulf Stream warm-core ring 81D are investigated using a deep CTD–O2 section through the ring together with horizontal currents at 100 m depth obtained with a...
Hydrographic and Current Observations on the Continental Slope and Shelf of the Western Equatorial Atlantic
North Brazil Coastal Current Continental Slope Western Equatorial Atlantic
2009/1/12
Hydrographic and current-profiling data from December 1980 and current-meter data obtained between September 1980 and November 1981 from the continental slope and shelf of the western equatorial Atlan...
Small Water-Property Transporting Eddies：Statistical Outliers in the Hydrographic Data of the POLYMODE Local Dynamics Experiment
Local Dynamics Experiment Hydrographic Data
2009/1/10
Hydrographic measurements from the POLYMODE Local Dynamics Experiment (LDE; 31°N, 69.5°W; May–July 1978) are examined for highly anomalous, outlying observations of salinity, oxygen and vortex stretch...
Calculating the Time-Mean Oceanic General Circulation and Mixing Coefficients from Hydrographic Data
Time-Mean Oceanic General Circulation Hydrographic Data Mixing Coefficients
2009/1/5
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 ...
Calculating the Time-Mean Oceanic General Circulation and Mixing Coefficients from Hydrographic Data
Time-Mean Oceanic General Circulation Hydrographic Data Mixing Coefficients
2009/1/5
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 ...
Hydrographic Structure of the Convection Regime in the Gulf of Lions：Winter 1987
Hydrographic Structure northwestern Mediterranean Convection Regime
2008/12/23
Deep winter convection in the northwestern Mediterranean (Gulf of Lions) and the subsequent formation of Mediterranean Deep Water were observed using advanced oceanographic instrumentation during a si...
Anomalous Anomalies in Averaged Hydrographic Data
Anomalous Anomalies Averaged Hydrographic Data Gulf Stream
2008/12/17
A comparison of a recently assembled hydrographic database for the North Atlantic with the Lovitus atlas shows striking differences in the vicinity of the Gulf Stream and the North Atlantic Current. O...
Diagnosing Climate Change and Ocean Ventilation Using Hydrographic Data
Sub-Antarctic mode water Ocean Ventilation Diagnosing Climate Change
2008/12/16
Changes in atmospheric forcing can affect the subsurface water column of the ocean by three different mechanisms. First, warmed mixed-layer water that is subducted into the ocean interior will cause s...
Hydrographic Variability in the Bottom Layer of the Iceland Basin
Hydrographic Variability Iceland Basin Bottom Layer Subpolar Mode Water
2008/12/12
The variability of the lowest 400 dbar in the Deep Iceland Basin has been studied for the years 1988–1991. It appears that hydrographic parameters of the Iceland–Scotland Overflow Water in the lowest ...