RRS Discovery D180

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD180
Cruise period1989-01-20 — 1989-02-04
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
Objectives1. To sample surface and subsurface radiocaesium and obtain CTD profiles at ten standard positions between the Sound of Mull and the shelf-edge, and to sample caesium at the surface of the North Channel.
2. To service the SMBA current emter mooring in the Tiree Passage.
3. To work the Anton Dohrn Seamount (Ellett Line) CTD section.
4. To obtain Craib corer or Shipek grab samples at a slecetion of sites upon the shelf and in deep water.
5. To sample midwinter temperature and salinity conditions by CTD in the NE Atlantic between Rockall, 53 30'N, 28W and the Porcupine Seabight.
6. To obtain surface chlorophyll and nutrient samples west of Britain as a preliminary to the 1989 BOFS cruises.
7. To obtain surface seawater from the Porcupine Seabight region for the Standard Seawater Service.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
Cruise reportRRS Discovery D180 cruise report d180.pdf (0.20 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
Celtic Sea
SpecificWest of Scotland and Ireland
Track chartsRRS Discovery D180 cruise track — d180track.pdf (0.02 MB) 
Physical oceanography 
BathythermographQuantity: number of profiles = 11
Water bottle stationsQuantity: number of stations = 72
Description: S surface and bottom
CTD stationsQuantity: number of stations = 46
Current metersQuantity: number of deployments = 2
Chemical oceanography 
Total - PQuantity: number of stations = 22
NitrateQuantity: number of stations = 22
NitriteQuantity: number of stations = 22
SilicateQuantity: number of stations = 22
IsotopesQuantity: number of samples = 10
Description: Cs
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 2