Cruise inventory

RV Corystes COR12B/93

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR12B/93
Cruise period1993-11-25 — 1993-12-07
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. To conduct a survey of an experimentally dredged site off Norfolk, using grab, underwater camera and side-scan sonar.
2. To conduct trials with a Hamon grab using different bucket sizes.
3. To sample the sediments, benthos and fish (dab or flounder) at various North Sea NMP sites, using grab and trawl.
4. To sample a grid of stations on the Dogger Bank for a range of contaminants in sediments and benthos.
5. To deploy a Kasten core at the Silver Pitt and at other suitably muddy locations.
6. To conduct a side-scan sonar and benthos survey at an aggregate extraction site off Hastings.
7. To sample horse-mussels from the Humber/Wash area for biological and chemical analysis.
8. To conduct a bathymetric survey at a solid waste disposal site off the River Tyne, NE England.
Additional aims:
1. To initiate sampling at and around aggregate dredging areas for analysis of fish gut contents.
2. To sample sediments off the Tyne as part of a temporal study of contaminant concentrations.
3. To sample the outer Thames estuary by beam trawl for litter content and benthos.
Chief scientistHubert Llewelyn Rees (Ministry of Agriculture, Fisheries and Food Burnham Laboratory)
Cruise reportRV Corystes COR12B/93 cruise report co12b_93.pdf — access key 'C' (0.17 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificDogger Bank, Humber, Wash
Track chartsRV Corystes COR12B/93 cruise track — trk3996.html
Measurements 
Biology and fisheries 
Demersal fishQuantity: number of hauls = 22
Description: trawls made using both a 2 and 4m beam trawl
Other biological/fisheries measurementQuantity: number of hauls = 6
Description: Scallop dredge
Geology and geophysics 
DredgeQuantity: number of deployments = 7
GrabQuantity: number of samples = 138
Description: Day grab
Long/short range side scan sonarQuantity: number of surveys = 2
Other geological/geophysical measurementsQuantity: number of deployments = 2
Description: u/w camera