Cruise inventory

RV Cirolana CIR1/90

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR1/90
Cruise period1990-01-05 — 1990-01-19
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. To lay a line of current meter moorings.
2. To undertake repeated lines of CTD stations in the vicinity of the current meter moorings.
3. To deploy the tetrapod for zero offset deployments and for 12 and 24 hour anchor stations, depending on the weather conditions. Most deployments will be in and around the Marsden Bay area, but one may be on a sandy area of the Dogger Bank.
4. To undertake grab sample and side-scan sonar surveys of the area as necessary.
5. To recover and relay the current meter moorings at the end of the cruise.
6. To deploy the tetrapod with three guard buoys for a 48 day experiment to examine the effects of storms on the resuspension of sediments.
Chief scientistPaul A Gurbutt (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR1/90 cruise report ci1_90.pdf — access key 'C' (0.19 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNE Coast of England.
Track chartsRV Cirolana CIR1/90 cruise track — trk3551.html
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 14
Description: continuous surface salinity, 14 days data.
CTD stationsQuantity: number of stations = 71
Description: noisy calibration samples 3 with S only
Contamination 
Suspended matterQuantity: number of stations = 71
Description: surface and bottom samples for suspended matter
Other contaminant measurementsQuantity: number of stations = 15
Description: sediment settling velocities
Geology and geophysics 
GrabQuantity: number of stations = 33
Description: grab samples of bottom sediment
Core - soft bottomQuantity: number of stations = 3
Description: Core samples
Long/short range side scan sonarQuantity: activity duration in hours = 6
Description: side scan sonar survey in vicinity of NW Dogger Bank.
Moorings, landers, buoys 
Physical oceanography 
Current meters54° 58' 59" N  1° 18' 0" W — Deploy 2 current meters on 16 Jan 1990
Current meters55° 1' 0" N  1° 4' 59" W — Deploy and recover 2 current meters (6 - 16 Jan 1990)
Current meters54° 58' 59" N  1° 18' 0" W — Deploy and recover 2 current meters (6 - 16 Jan 1990)
Current meters55° 0' 0" N  1° 13' 59" W — Deploy 3 current meters 6 Jan 1990. Not found on 16 Jan. Recovered by trawler
Current meters54° 58' 59" N  1° 21' 0" W — Deploy 2 current meters on 16 Jan 1990
Current meters54° 58' 59" N  1° 21' 0" W — Deploy and recover 2 current meters (6 - 16 Jan 1990)
Current meters55° 0' 0" N  1° 13' 59" W — Deploy 2 current meters on 16 Jan 1990
Current meters55° 1' 0" N  1° 4' 59" W — Deploy 2 current meters on 16 Jan 1990
Other physical oceanographic measurements55° 22' 0" N  1° 33' 0" W — Near bed velocity profiles 13-15 Jan 1990
Other physical oceanographic measurements54° 58' 59" N  1° 21' 0" W — Near bed velocity profiles 16-18 Jan 1990
Other physical oceanographic measurements54° 58' 59" N  1° 21' 0" W — Long term near bed velocity profiles from 18 Jan 1990
Other physical oceanographic measurements54° 58' 59" N  1° 21' 0" W — Near bed velocity profiles 7-9 Jan 1990 and 10-12 Jan 1990