Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Corella 6/78

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier6/78
Cruise period1978-04-17 — 1978-04-28
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To delimit areas of solid waste on the sea bed in the vicinity of disposal grounds between the Tees and Blyth using high resolution side scan sonar and, where suitable, underwater television and photography.
2. To collect samples of bed sediments from these areas for ground truth and analysis as necessary.
3. to collect samples of fish and benthos for chemical analysis from off the Tees, Tyne and Humber.
*4. To investigate ability of high resolution side scan sonar to distinguish trailer dredge tracks in vicinity of Southwold Experimental Gravel Area and to delimit areas of dredging. To collect samples of bed sediments from within this experimental area and control zone for benthos and physical analysis, and to collect additional bed sediment samples for ground truth as necessary.
*5. PRIORITY: To collect 10 x 5 cm groups of commercial sized plaice and gadoids for Mr Macer for calculation of live weight/gutted weight ratios.

* These aims added since release of cruise programme.
Chief scientistMichael S Rolfe (Ministry of Agriculture, Fisheries and Food Burnham Laboratory)
Cruise reportRV Corella 6/78 cruise report corella06_78.pdf — access key 'C' (0.19 MB) 
Ocean/sea areas 
GeneralNorth Sea
Track chartsRV Corella 6/78 cruise track — trk2181.html
Biology and fisheries 
ZoobenthosQuantity: number of samples = 87
Description: monitoring
Demersal fishQuantity: number of hauls = 9
Geology and geophysics 
GrabQuantity: number of samples = 87
Description: physical/chemical analysis of sediments
Bottom photographyQuantity: number of deployments = 2
Long/short range side scan sonarQuantity: track kilometres = 444