RV Corella 14/82

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier14/82
Cruise period1982-10-08 — 1982-10-24
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To conduct an 'intensive' monitoring survey of the Liverpool Bay disposal ground (i) sediment grabbing for biological, physical, chemical and bacteriological analysis and (ii) trawling for fish and benthos for chemical analysis.
2. To assess seasonal incidence of disease in fish stocks in Liverpool Bay by trawling (continuing CLIONE 5/82 survey).
3. To conduct an 'intensive' monitoring survey of the Bristol Channel disposal area (including the main and bad weather sewage dumping grounds and the Swansea Bay spoil ground) as in Aim (i) but preceded by side scanning for bottom morphology. Aim finally abandoned due to bad weather.
4. To conduct a sidescan sonar survey off Falmouth in relation to the possible re-siting of the existing sewage sludge dumping ground. Not carried out due to the weather.
5. Sightings of dumping vessels in operation will be recorded (DAS Enforcement).
Chief scientistMichael S Rolfe (Ministry of Agriculture, Fisheries and Food Burnham Laboratory)
Cruise reportRV Corella 14/82 cruise report corella14_82.pdf (0.11 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificLiverpool Bay; Bristol Channel; English Channel
Track chartsRV Corella 14/82 cruise track — trk2809.html
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 15
Demersal fishQuantity: number of hauls = 8
Description: Granton trawl stations were worked.
Geology and geophysics 
GrabQuantity: number of stations = 164
Description: worked for bacteriological analysis.
Long/short range side scan sonarQuantity: activity duration in hours = 24
Description: side-scanning made between the disposal ground and River Mersey entrance.