Cruise inventory

RV Corella 12/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier12/75
Cruise period1975-08-01 — 1975-08-13
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. To evaluate with CLIONE the efficiency of the Granton trawl rigged with a door-to-door tickler chain, for plaice.
2. To tow an acoustic target (caterpillar) for sector scanner resolution and detection calibrations.
3. Trials of a 30" TTN-fitted with a new nose cone and towing arrangement.
4. To collect fish samples from various grounds for metal analysis (Dr Portman).
5. Collection of dab tissue for light and electron microscopy (Mr Bye).
6. To collect a dinoflagellate sample for Dr Dodge and a copepod sample for Mrs Thompson.
Chief scientistI L Davies (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 12/75 cruise report corella12_75.pdf — access key 'C' (0.17 MB) 
Ocean/sea areas 
GeneralNorth Sea
Track chartsRV Corella 12/75 cruise track — trk1596.html
Measurements 
Physical oceanography 
BathythermographQuantity: number of deployments = 7
Description: mechanical
Water bottle stationsQuantity: number of stations = 7
Description: S surface only
Current metersQuantity: number of recoveries = 1
Surface drifters/drifting buoysQuantity: number of deployments = 98
Description: cards
Contamination 
Contaminants in organismsDescription: frozen fish and tissue samples
Biology and fisheries 
PhytoplanktonQuantity: number of surveys = 1
Description: samples across S North Sea
PhytoplanktonQuantity: number of samples = 6
Description: phytoplankton and copepods at Smith's Knoll
ZooplanktonQuantity: number of samples = 6
Description: phytoplankton and copepods at Smith's Knoll
Gear researchDescription: caterpillar tows for acoustic detection by RV Clione
Gear researchQuantity: number of deployments = 85
Description: trawling attacks on acoustically tagged flatfish