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Summary for Field Activity Number 1981-034-FA

Alternate Leg ID: OC104

Area of Operations: Lydonia Canyon, Georges Bank, United States, North America, North Atlantic

Dates: September 25, 1981 to October 02, 1981

Objectives: Recover 2 tripods and 4 subsurface moorings. Deploy 2 tripods and 6 subsurface moorings (2 w/ deep instrument package). Set 2 surface marker buoys. Collect surface grab samples at A, Q, and LCA for biology. Deploy and recover experimental water sampling system. Collect surface grab samples around Station K.

Type of Activity: Mooring work

Information to be derived: Time series data
Samples and chemical analysis
Equipment recovery and deployment

Summary: Moorings deployed: 10 (#229, 230, 231, 232, 233, 234, 235, 236, and 237, all recovered FA 82001 OCEANUS Jan. 26 - Feb. 4, 1982; and #238 recovered this cruise). Surface buoys deployed: 4 (A,B,O,P). Surface buoys recovered: 2 (R,V). Moorings recovered: 7 (#223, 224, 225, 226, 227, and 228 all deployed FA 81009 OCEANUS 095 Apr. 23 - May 6, 1981; #238 deployed this cruise). CTD stations: 35; XBT stations: 25; Surface salinity samples: 56; Surface grab samples: 58; Bathymetric survey.

USGS Project Number: EA-PO

Contact: Brad Butman (

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
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