Cruise inventory

RRS Challenger CH17/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH17/77
Cruise period1977-11-05 — 1977-11-12
Port of departureArdrossan, United Kingdom
Port of returnArdrossan, United Kingdom
Objectives1. To retreive the SMBA shelf current meter mooring in 57N, 9W. Not possible due to bad weather.
2. To work the Anton Dohrn Seamount CTD section, and additional sections between Rockall Bank and the Hebridean shelf as time permitted. Not possible.
3. To make observations of droplet concentrations and sizes in sea spray with Professor Ling's equipment.
4. To work CTD sections on the shelf to the west of the Hebrides. Not possible.
5. To obtain Shipek grab bottom samples for the Department of Geology, UCW, Aberystwyth. No samples were obtained.
6. To test acoustic command releases at their future operating depths. Impossible due to bad weather.
7. To collect 50 litre surface water samples at standard positions on the Scottish shelf for radiocaesium determination by the Fisheries Radiobiological Laboratory, Lowestoft.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH17/77 cruise report ch17_77.pdf — access key 'C' (0.11 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
Track chartsRRS Challenger CH17/77 cruise track — trk2126.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 10
Description: S surface only
Chemical oceanography 
RadioactivityQuantity: number of samples = 10
Description: 50 litre water samples collected for radio-caesium determination