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RV Cirolana CIR1A/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR1A/75
Cruise period1975-01-03 — 1975-01-13
StatusCompleted
Port of departureGrimsby, United Kingdom
Port of returnPlymouth, United Kingdom
PurposeTrials
Objectives1. Tests of acoustic equipment performance.
2. Measurements of signals returned from pelagic fish.
3. To investigate the reaction of mackerel to a mid-water trawl
(with CLIONE and ARL Scanner),
4. To investigate the reaction of pelagic fish to a towed underwater
camera (with CLIONE and ARL Scanner).
Chief scientistStephen J Lockwood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR1A/75 cruise report ci01_75.pdf (0.11 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Measurements 
Biology and fisheries 
Acoustic reflection on marine organisms.Quantity: activity duration in days = 8
Description: Strength of signals returned from pelagic fish