RV Cirolana CIR4/72

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR4/72
Cruise period1972-04-06 — 1972-05-07
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To test the acoustic release system.
2. To service the JONSIS current meter stations.
3. To launch two drifting buoys in the vicinity of 50°N, 22°Wand 5I°N,
23°W for subsequent tracking by EOLE satellite.
4. To launch XBT probes at synoptic hours as part of the IGOSS YBT Pilot
Project, and in the vicinity of the oceanic polar front and Western approaches for the Hydrographic Department, MOD (Navy).
5. To moor four current meter station across the Labrador Current between
Flemish Cap and the Grand Bank.
6. To complete a hydrographic study south-east of the Newfoundland Grand
Bank as part of a joint WHOI/BIO/MAFF co-operative investigation of the Gulf Stream system in that area.
Chief scientistHarold W Hill (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR4/72 cruise report ci04_72.pdf (0.45 MB) 
Ocean/sea areas 
GeneralNorth Atlantic Ocean
Physical oceanography 
Water bottle stationsQuantity: number of stations = 34
CTD stationsQuantity: number of stations = 3
Current metersDescription: 6d
Chemical oceanography 
OxygenQuantity: number of stations = 33
SilicateQuantity: number of stations = 32
AlkalinityQuantity: number of stations = 33
RadioactivityQuantity: number of samples = 5
Other contaminant measurementsQuantity: number of samples = 10
Description: oil pollution
Other contaminant measurementsQuantity: number of samples = 5
Description: radioactivity pollution
Biology and fisheries 
Dissolved organic matter (inc DOC)Quantity: number of samples = 12
Gear researchDescription: instrument development
Occasional standard measurements
Other meteorological measurementsDescription: sea and swell
Other meteorological measurementsDescription: ice observations