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Summary for Field Activity Number 1977-032-FA

Alternate Leg ID: Legs I and II

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

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

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.

USGS Project Number: EA-PO

Contact: Brad Butman (

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of ADVANCE II
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