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Summary Information for Field Activity 1977-032-FA

Area of Operations: United States south Atlantic shelf, Mid-Atlantic Bight, Georges Bank, United States, North America, North Atlantic

Dates: September 07, 1977 to September 23, 1977

Chief scientist: Brad Butman
Bill Strahle

Objectives: 1. Recover 5 instrumented bottom tripod packages and deploy 2 tripods as part of a continuing study of currents and sediment transport on the east coast continental shelf. 2. Recover 2 current meter moorings and deploy 3 current meter moorings as part of a continuing study of currents and sediment transport. Deploy 2 current moorings for EG&G. 3. Make underway XBT observations of water temperature and structure and obtain profiles of temperature and conductivity (CTD) along selected transects running across shelf and along shelf. Measurements were designed to determine position of shelf-slope water front, to aid in interpretation of tripod and current meter data, to map distribution of cold pool water found on the shelf in summer off the New Jersey coast, and to study mixing through Great South Channel. 4. Recover, replace, and relight as necessary surface marker floats at tripod and current meter locations. Floats serve to mark instrument locations and deter fishing activity.

Type of Activity: Mooring work; physical oceanographic observations;physical oceanographic observations

Information to be derived: Time series data;

Summary: LEG I: Recovered tripods: 3 (#129 and 131 both deployed FA 77023 OCEANUS 29 Jul. 6-13, 1977; #134 deployed FA 77028 ADVANCE II Aug. 5-7, 1977); XBT: 65; Surface salinity samples: 64. LEG II: Recovered moorings: 4 (#128, 130, 132, and 133 all deployed FA 77023 OCEANUS 29 Jul. 6-13, 1977); Deployed moorings: 5 (#135, 136 and 137, and 2 EG&G current meters, all recovered FA 78001 OCEANUS 38 Jan. 19-26, 1978); XBT: 65; CTD: 49; Surface salinity samples: 110; XSTD: 2.

Contact: Brad Butman (
Bill Strahle (

InfoBank: uses the identifier A-2-77-EC. Visit this site for more information.

Related Links:

Click to get Google Software - Download 77032.kml to view this field activity in Google Earth

Platform Info:

Publications resulting from these data

Gelfenbaum, G., and Noble, M.,1993, Significant bed elevation changes related to Gulf Stream dynamics on the South Carolina continental shelf: Continental Shelf Research, v. 13, no. 4: p. 385-405. (Also available at

Noble, M.A., and Gelfenbaum, G.R.,1992, Seasonal fluctuations in sea level on the South Carolina shelf and their relationship to the Gulf Stream: Journal of Geophysical Research - Oceans, v. 97, no. C6: p. 9521-9529. (Also available at

Data Types and Locations:


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