Cruise inventory

RRS Discovery D57

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD57
Cruise period1973-11-10 — 1973-12-01
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
ObjectivesThe cruise was in two parts. The purpose of the first leg was to try and recover both a current meter mooring to the west of Anton Dohrn seamount and the prototype deep tide gauge lying 100 miles north of the Butt of Lewis. In the second part the objective was to make a long range herring survey in winter temperature conditions in the Sea of the Hebrides, and to carry out certain sonar experiments in cooperation with the Navy.
Chief scientistJ Stuart M Rusby (Institute of Oceanographic Sciences Wormley Laboratory)
Cruise reportRRS Discovery D57 cruise report d57.pdf — access key 'C' (0.21 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
North East Atlantic Ocean (limit 40W)
Track chartsRRS Discovery D57 cruise track — d57track.pdf (0.02 MB) 
Physical oceanography 
BathythermographQuantity: number of profiles = 4
Description: 2 at 54-50.5N;09-53.0W 2 at 56-38.5N;09-53.0W
Current metersDescription: 16 days at 56-58.5N;07-12.5W
Other physical oceanographic measurementsQuantity: number of profiles = 1
Description: sound velocity stations
Occasional standard measurements
Geology and geophysics 
Multi-beam echosounding
Long/short range side scan sonarDescription: experiments in co-op.with the navy, gloria towed for 3 days