Cruise inventory

RV Cirolana CIR3B/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR3B/75
Cruise period1975-03-13 — 1975-03-26
Port of departureGreat Yarmouth, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To carry out an acoustic survey of Blue Whiting between Porcupine
Bank and St Kilda/Rockall using the ''Humber' 30 KHz sounder and Simrad
2. To analyse single fish target strengths using cycle-counter/pulse
height analyser and Simrad integrator/storage oscilloscope methods.
3. To obtain samples of Blue Whiting by fishing for maturation and length/age studies.
4. To rendez-vous with RV EXPLORER to carry out intership calibration runs
5. To co-ordinate by radio, fishing activities of TRS Vessel ARCTIC PRIVATEER. Contact will be made twice daily at 0930 and 2130 hours.
6. To make tows with the Continuous Plankton Recorder when practicable.
7. To carry out surface temperature and salinity observations over the survey area.
Chief scientistP O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
ProjectBlue Whiting Survey with Marine Laboratory Aberdeen
Cruise reportRV Cirolana CIR3B/75 cruise report ci03b_75.pdf — access key 'C' (0.34 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRV Cirolana CIR3B/75 cruise track — trk1558.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 2778
Description: T only
BathythermographQuantity: number of profiles = 24
Water bottle stationsQuantity: number of stations = 24
Description: surface only
Biology and fisheries 
PhytoplanktonQuantity: track kilometres = 926
ZooplanktonQuantity: track kilometres = 926
Eggs and larvaeQuantity: track kilometres = 926
Pelagic fishQuantity: number of hauls = 1
Description: 1500nm distribution and biomass determination
Acoustic reflection on marine organisms.Quantity: track kilometres = 2778