RRS Challenger CH4/85
Cruise summary report
|Ship name (ship code)||RRS Challenger (74CH)|
|Cruise period||1985-05-02 — 1985-05-16|
|Port of departure||Dunstaffnage, United Kingdom|
|Port of return||Oban, United Kingdom|
|Objectives||The objectives of this cruise were:
(1) To make CTD transects across the shelf between the Mull of Galloway and the Butt of Lewis, with radiocaesium water sampling. Accomplished.
(2) To check out North Channel current meter moorings and take any necessary action. Moorings in good condition so no action taken.
(3) To deploy an electromagnetic current meter at site S off SE Isaly for the duration of the cruise. Deployment done but problems with EMCM mooring configuration.
(4) To service mooring Y (Tiree Passage) and recover a UCNW shelf mooring. Accomplished.
(5) To work the Rockall via Anton Dohrn Seamount (Ellett Line) CTD section. Accomplished.
(6) To work a grid of CTD stations in the Firth of Clyde and Kilbrannan Sound. Accomplished.
|Chief scientist||David J Ellett (Scottish Marine Biological Association)|
|Cruise report||(0.21 MB)|
|General||Inner Seas off the West Coast of Scotland|
Irish Sea and St. George's Channel
North East Atlantic Ocean (limit 40W)
|Specific||North Channel; Hebridean Seas; Rockall; Firth of Clyde|
|Water bottle stations||Quantity: number of stations = 204|
Description: 199 bottom
|CTD stations||Quantity: number of stations = 199|
|Current meters||Quantity: number of recoveries = 11|
Description: 11 recovered;3 days-3,5 months
|Radioactivity||Quantity: number of samples = 70|
Description: water samples for radio-caesium analysis.