RV Corella 2/82

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier2/82
Cruise period1982-01-25 — 1982-02-10
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out an acoustic survey for sprat, as part of an ICES coordinated programme, in the Thames Estuary, Southern Bight, Wash and west central North Sea, north to 54º 30'N and offshore to 4º 30' E.
2. To sample any major concentrations found with a mid-water trawl and plot their distribuions in finer detail.
3. To carry out in situ target strength measurements on sprat using the narrow transducer beam mode.
4. To undertake intership calibration runs with RV EXPLORER, time and weather permitting.
5. To collect species of fish for the fish identification courses.
Chief scientistP O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 2/82 cruise report corella2_82.pdf (0.17 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea
Track chartsRV Corella 2/82 cruise track — trk2795.html
Physical oceanography 
Surface measurements underway (T,S)Description: Continuous measurements over the whole survey.
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 7
Description: midwater trawl hauls.
Acoustic reflection on marine organisms.Quantity: track kilometres = 3602.14