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RV Cirolana CIR11/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR11/77
Cruise period1977-10-12 — 1977-11-08
StatusCompleted
Port of departureGrimsby, United Kingdom
Port of returnFalmouth, United Kingdom
PurposeResearch
Objectives1. To lay 3 long-term current meter moorings in the southern trench of the Gibbs Fracture Zone (Mid Atlantic Ridge) at 52 degrees 10'N 31 degrees 00' W approximately.
2. To lay a long-term current meter mooring at the southern approaches to the Rockall Channel (52°3O'N 17°45'W) as part of the existing NEADS
network.
3. To work a TSD/Nansen hydrocast section from the latter site to the IOS NEADS site at 46N 17W
4. To obtain cores of deep sea sediments.
5. To work echo-sounder transects in the vicinity of the Gibbs Fracture Zone for A S Laughton, IOS.
6. To service the JONSIS moorings.
Chief scientistRobert R Dickson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR11/77 cruise report ci11_77.pdf (0.27 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRV Cirolana CIR11/77 cruise track — trk1905.html
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 19
Current metersQuantity: number of deployments = 4
Other physical oceanographic measurementsDescription: echo sounder profile of seabed