RRS Challenger CH13/79

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH13/79
Cruise period1979-09-11 — 1979-09-16
Port of departureArdrossan, United Kingdom
Port of returnArdrossan, United Kingdom
ObjectivesThe objectives of this cruise were:
(1) To service the shelf current meter mooring at 57N, 9W and recover the slope current meter mooring at 57° 6 min N, 9° 24 min W. Accomplished.
(2) To work the eastern portion of the Rockall via Anton Dohrn Seamount (Ellett Line) CTD section. Stations K to T worked, covering from the slope of the seamount to the outer Hebridean continental shelf.
(3) To work shelf CTD sections to the west of the Hebrides. Not done due to poor weather and lack of time.
(4) Collect large volume surface water samples for radiocaesium analysis with CTD profiles on the sampling stations. Accomplished with CTD profiles on nine of the ten stations.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH13/79 cruise report ch13_79.pdf (0.10 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRRS Challenger CH13/79 cruise track — trk2344.html RRS Challenger CH13/79 cruise track — trk2344a.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 20
Description: S surface only
CTD stationsQuantity: number of stations = 18
Description: 1 T only noisy salinity where max. cast depth >1000m
Current metersQuantity: number of stations = 2
Description: 2x79 and 4x117 days
Chemical oceanography 
RadioactivityQuantity: number of samples = 10
Description: water samples for radio-caesium monitoring.