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RISObservations on the Variability of the Gulf Stream Path between 74°W and 70°W
Publisher: American Meteorological Society
Abstract: The Gulf Stream path varies in a wavelike fashion in the deep water downstream of Cape Hatteras, energetic within a range of wavelengths ? from 150 km to over 1000 km, and periods τ from 4 d to over 500 d. The authors ...
Eddy–Mean Flow Interaction in the Gulf Stream at 68°W. Part I: Eddy Energetics
Publisher: American Meteorological Society
Abstract: From June 1988 to August 1990 twelve tall, high-performance, current meter moorings measured the Gulf Stream's velocity and temperature fields at nominal depths of 400 m, 700 m, 1000 m, and 3500 m along three lines centered ...
A Pulsation Mode in the Antarctic Circumpolar Current South of Australia
Publisher: American Meteorological Society
Abstract: A streamfunction EOF method is developed to identify long-term thermohaline variations within a strong baroclinic current. The temporal variability associated with meandering fronts and mesoscale eddies is removed by ...
Deep-Ocean Bottom Pressure Measurement: Drift Removal and Performance
Publisher: American Meteorological Society
Abstract: Sixteen records from seven Digiquartz deep-ocean bottom pressure sensors have been in deployments of 3?12 month duration under the Gulf Stream in depths of 3300 to 4400 m. Particular attention is given (i) to characterizing ...
Measuring Dynamic Heights with Inverted Echo Sounders: Results from MODE
Publisher: American Meteorological Society
Abstract: Inverted Echo Sounders (IES) were deployed during MODE at seven ocean bottom stations to acoustically monitor depth variations of the main thermocline. The IES transmits pulses of 10 kHZ sound and records the time τ for ...
A Test of the Parsons–Veronis Hypothesis on the Separation of the Gulf Stream
Publisher: American Meteorological Society
Abstract: The Parsons?Veronis model, based on a two-layer wind-driven ocean, predicts the latitude at which the western boundary current separates from the western boundary. It has been tested on the Gulf Stream using both satellite ...
An Observational Streamfunction in the Gulf Stream
Publisher: American Meteorological Society
Abstract: Contours of the main thermocline (12°C isotherm depth: Z12) topography objectively generated from Inverted Echo Sounder observations in the Gulf Stream may be treated as a baroclinic, geostrophic streamfunction ?. As ...
Monitoring Gulf Stream Transport by Radar Altimeter and Inverted Echo Sounders
Publisher: American Meteorological Society
Abstract: Profiles of the Gulf Stream sea surface height (SSH) from the Geosat altimeter were compared with thermocline depth measurements from inverted echo sounders (IES) for a period of about 19 months. The correlation between ...
Rapid Eddy-Induced Modification of Subtropical Mode Water during the Kuroshio Extension System Study
Publisher: American Meteorological Society
Abstract: rom 2004 to 2006 an observational array of current- and pressure-recording inverted echo sounders (CPIES) were deployed as part of the Kuroshio Extension (KEx) System Study (KESS). KESS observed a transition from a weakly ...
Potential Vorticity Structure across the Gulf Stream: Observations and a PV-Gradient Model
Publisher: American Meteorological Society
Abstract: Potential vorticity (PV) structure across a baroclinic front is a property that determines the stability characteristics of that front, cross-frontal exchange, and the behavior of the vortical waves that this front enables. ...