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Summary for Field Activity Number 1980-034-FA

Alternate Leg ID: 90

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

Dates: November 24, 1980 to December 03, 1980

Objectives: Deploy 10 moorings, 1 tripod, 2 buoys; recover 2 tripods, mooring, buoys; collect XBT, CTD, suspended sediment samples in and around Lydonia Canyon; collect bathymetry in canyon axis; collect benthic grabs.

Type of Activity: Mooring work

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

Summary: Too rough to recover Grassle's tripod GBQ; 2 surface buoys at K left for recovery during Jan. 1981 cruise (OCNS 091, FA 81002). Moorings deployed: 12 (#205, 207, 208, 209, 211, 214, 215, 216, 217, 218, 219, and 220 all recovered FA 81009 OCEANUS 95 Apr. 23 - May 6, 1981). Moorings recovered: 2 (#195 and 196 partial, deployed FA 80009 OCEANUS 81 May 23 - Jun. 1, 1980). XBT stations: 37; Surface salinity: 35; Bathmetry surveys at mooring stations: 5; Hydrographic stations: 38.

USGS Project Number: EA-PO

Contact: Brad Butman (

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
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