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RRS Challenger CH5A/76

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH5A/76
Cruise period1976-03-29 — 1976-04-05
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnDunstaffnage, United Kingdom
PurposeResearch
ObjectivesThe 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 scientistDavid J Ellett (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH5A/76 cruise report ch5a_76.pdf (0.11 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificRockall, Anton Dohrn Seamount
Track chartsRRS Challenger CH5A/76 cruise track — trk1553.html
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 18
Description: S surface 8 T surface
CTD stationsQuantity: number of stations = 22
Current metersQuantity: number of deployments = 1
Description: laid 1 Apr for recovery on subsequent cruise
Chemical oceanography 
RadioactivityQuantity: number of samples = 8
Description: 137Cs
Meteorology 
Routine standard measurements
Data held at BODC Get data
Series/Profiles 
20  CTD/STD cast
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column

BODC idDate/TimeLocationDoc.
904161976-04-01 20:42 57° 33' 59" N  13° 19' 59" W  View metadata report for BODC series reference number 90416
904531976-04-02 02:38 57° 31' 59" N  12° 37' 59" W  View metadata report for BODC series reference number 90453
905211976-04-02 14:19 57° 24' 11" N  10° 51' 59" W  View metadata report for BODC series reference number 90521
905701976-04-04 12:04 56° 43' 59" N  7° 39' 47" W  View metadata report for BODC series reference number 90570
906131976-04-04 17:45 56° 43' 53" N  6° 26' 47" W  View metadata report for BODC series reference number 90613
906251976-04-04 18:52 56° 41' 6" N  6° 17' 11" W  View metadata report for BODC series reference number 90625
905081976-04-02 13:00 57° 26' 53" N  11° 5' 6" W  View metadata report for BODC series reference number 90508
905331976-04-02 15:55 57° 21' 54" N  10° 39' 59" W  View metadata report for BODC series reference number 90533
904771976-04-02 07:05 57° 29' 35" N  11° 51' 23" W  View metadata report for BODC series reference number 90477
904901976-04-02 11:31 57° 27' 54" N  11° 18' 53" W  View metadata report for BODC series reference number 90490
905451976-04-02 18:03 57° 17' 47" N  10° 22' 53" W  View metadata report for BODC series reference number 90545
905571976-04-02 20:02 57° 13' 35" N  10° 6' 41" W  View metadata report for BODC series reference number 90557
905821976-04-04 13:45 56° 43' 59" N  7° 16' 30" W  View metadata report for BODC series reference number 90582
906011976-04-04 16:28 56° 43' 59" N  6° 44' 47" W  View metadata report for BODC series reference number 90601
904041976-04-01 19:21 57° 34' 59" N  13° 37' 59" W  View metadata report for BODC series reference number 90404
904651976-04-02 04:53 57° 31' 5" N  12° 14' 53" W  View metadata report for BODC series reference number 90465
904891976-04-02 09:48 57° 28' 35" N  11° 29' 5" W  View metadata report for BODC series reference number 90489
905941976-04-04 15:05 56° 43' 59" N  7° 0' 29" W  View metadata report for BODC series reference number 90594
904281976-04-01 22:18 57° 32' 59" N  12° 59' 47" W  View metadata report for BODC series reference number 90428
905691976-04-02 22:55 57° 8' 42" N  9° 42' 5" W  View metadata report for BODC series reference number 90569