Cruise inventory

RV Cirolana CIR4/76

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR4/76
Cruise period1976-03-22 — 1976-04-11
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1 To make an acoustic survey of the distribution and abundance of the spawning
stock of blue whiting.
2 To test the deep-water transducer and to make short range observations of
blue whiting.
3 To sample plankton and neuston throughout the survey using continuous and
Longhurst-Hardy plankton recorders (LHPR).
4 To take biological samples of blue whiting, mackerel and some deep water
demersal species.
Chief scientistMichael Gregg Pawson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR4/76 cruise report ci04_76.pdf — access key 'C' (0.27 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
North East Atlantic Ocean (limit 40W)
Track chartsRV Cirolana CIR4/76 cruise track — trk1701.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 5185
Description: T only
BathythermographQuantity: number of profiles = 7
Water bottle stationsQuantity: number of stations = 12
Description: S surface only
Subsurface temperature and salinity measurements
Biology and fisheries 
PhytoplanktonQuantity: track kilometres = 2592.8
ZooplanktonQuantity: track kilometres = 2592.8
Eggs and larvaeQuantity: track kilometres = 2592.8
Pelagic fishQuantity: number of hauls = 4
Demersal fishQuantity: number of hauls = 2
Description: survey:identification,distribution,biomass determination
Acoustic reflection on marine organisms.Quantity: track kilometres = 3889.2