RRS Challenger CH6B/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH6B/77
Cruise period1977-04-14 — 1977-04-19
Port of departureDunstaffnage, United Kingdom
Port of returnDunstaffnage, United Kingdom
ObjectivesCruise objectives were.
(1) Re-establish the current meter mooring at 57N, 9W. Accomplished.
(2) Work the Anton Dohrn Seamount (Ellett Line) STD section. Accomplished.
(3) Work the Rosemary Bank STD section and shelf sections to W of Hebrides. No time for Rosemary Bank but stations between St Kilda and South Uist worked.
(4) Collect large volume surface water samples for radiocaesium analysis. Accomplished with STD profiles at all but one station.
(5) Moor IOS Taunton waverider buoy off west coast of South Uist. Accomplished.
(6) Dredge on continental slope for live specimens of Doryneus. Accomplished.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH6B/77 cruise report ch6b_77.pdf (0.16 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificRockall, Anton Dohrn Seamount
Track chartsRRS Challenger CH6B/77 cruise track — trk1800.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 50
Description: S surface 25 T surface
CTD stationsQuantity: number of stations = 51
Instrumented wave measurementsQuantity: number of deployments = 1
Description: waverider buoy
Chemical oceanography 
RadioactivityQuantity: number of samples = 50
Description: surface water samples for radio-caesium analysis.
Biology and fisheries 
ZoobenthosQuantity: number of stations = 2
Routine standard measurements