Cruise inventory

RV Cirolana CIR1A/73

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR1A/73
Cruise period1973-01-02 — 1973-01-11
Port of departureGrimsby, United Kingdom
Port of returnPlymouth, United Kingdom
Objectives1. To calibrate 30 and 100 kHz echo survey and counting systems;
2. To carry out deep water trials with the 100 kHz towed narrow beam system;
3. To test the equipment for the Lake Rudolph Project;
4. To make experimental surveys of any suitable fish concentrations.
Chief scientistRonald B Mitson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR1A/73 cruise report ci01a_73.pdf — access key 'C' (0.17 MB) 
Ocean/sea areas 
GeneralEnglish Channel
North Sea
Inner Seas off the West Coast of Scotland
Bay of Biscay
Physical oceanography 
Surface measurements underway (T,S)Quantity: number of stations = 150
Description: S only
Water bottle stationsQuantity: number of stations = 150
Description: 16 T
Subsurface temperature and salinity measurementsQuantity: number of stations = 16
Description: S only
Biology and fisheries 
ZooplanktonQuantity: number of samples = 80
Eggs and larvaeQuantity: number of samples = 80
Pelagic fishQuantity: number of hauls = 12
Demersal fishQuantity: number of hauls = 12
Gear research
Other biological/fisheries measurementDescription: deep scattering layers
Occasional standard measurements
Other meteorological measurementsDescription: sea and swell