RRS Challenger CH5A/76
Cruise summary report
|Ship name (ship code)||RRS Challenger (74CH)|
|Cruise period||1976-03-29 — 1976-04-05|
|Port of departure||Aberdeen, United Kingdom|
|Port of return||Dunstaffnage, United Kingdom|
|Objectives||The objectives of this cruise were:
1. Establish a current meter mooring at 57N, 9W. Accomplished.
2. Work the Rockall via Anton Dohrn Seamount (Ellett Line) hydrographic section. Partially accomplished with 5 eastenmost stations missed due to bad weather.
3. Launch a satellite-tracked buoy with thermistor chain. Abandoned due to technical problems with the buoy.
4. Work St. Kilda shelf-edge section. No time to do this due to bad weather.
5. Collection of large-volume surface water samples for radio-caesium measurements. 8 of 10 stations accomplished. STD profiles taken on sampling sites.
6. Near real-time supply of temperature profiles to the Met Office. Accomplished.
|Chief scientist||David J Ellett (Scottish Marine Biological Association)|
|Cruise report||(0.11 MB)|
|General||North East Atlantic Ocean (limit 40W)|
|Specific||Rockall, Anton Dohrn Seamount|
|Water bottle stations||Quantity: number of stations = 18|
Description: S surface 8 T surface
|CTD stations||Quantity: number of stations = 22|
|Current meters||Quantity: number of deployments = 1|
Description: laid 1 Apr for recovery on subsequent cruise
|Radioactivity||Quantity: number of samples = 8|
|Routine standard measurements|