Cruise inventory

RRS Challenger CH74A_1

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH74A_1
Cruise period1990-12-06 — 1990-12-12
StatusCompleted
Port of departureTroon, United Kingdom
Port of returnOban, United Kingdom
ObjectivesThe objectives of this cruise leg were:
1) To work the Anton Dohrn Seamount CTD section. Only shelf stations done due to poor weather.
2) Collect large volume water samples for radio-caesium analysis at the standard stations across the Scottish shelf. Accomplished with CTD profiles.
3) Service the DML Tiree Passage current meter mooring. Accomplished.
4) Compare Sippican and Sparton XBT profiles in deep water. Accomplished 28 intercalibrations.
Chief scientistAnton Edwards (Dunstaffnage Marine Laboratory)
ProjectWOCE, Rockall time series
Cruise reportRRS Challenger CH74A_1 cruise report ch74_90.pdf — access key 'C' (0.37 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificNE Atlantic, Rockall
Track chartsRRS Challenger CH74A_1 cruise track — ch74_90track.pdf (00 MB) 
Measurements 
Physical oceanography 
BathythermographQuantity: number of profiles = 60
CTD stationsQuantity: number of stations = 19
Current metersQuantity: number of stations = 1
Description: recovered & deployed
Chemical oceanography 
RadioactivityQuantity: number of samples = 24
Description: Cs samples at 8 sites, samples from top, middle & bottom
RadioactivityQuantity: number of samples = 2
Description: Cs surface samples
Biology and fisheries 
Eggs and larvaeQuantity: number of hauls = 1
Description: Agassiz trawl
ZoobenthosQuantity: number of samples = 1
Description: as above
ZoobenthosQuantity: number of hauls = 4
Description: Epibenthic sled,
Pelagic fishQuantity: number of hauls = 3
Description: Marinivitch semi-balloon Otter trawls
Demersal fishQuantity: number of hauls = 3
Description: as above
MolluscsQuantity: number of samples = 4
Description: as above
MolluscsQuantity: number of samples = 1
Description: as above
CrustaceansQuantity: number of samples = 1
Description: as above
CrustaceansQuantity: number of samples = 4
Description: as above
Moorings, landers, buoys 
Physical oceanography 
Current meters56° 37' 59" N  6° 24' 59" W — Tiree passage mooring recovered and relaid 10 Dec 1990
Data held at BODC 
Series/Profiles 
19  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.
3158621990-12-09 18:48 56° 47' 23" N  8° 0' 11" W  View metadata report for BODC series reference number 315862
3158741990-12-09 21:38 56° 43' 59" N  7° 39' 54" W  View metadata report for BODC series reference number 315874
3158861990-12-09 22:38 56° 43' 59" N  7° 30' 0" W  View metadata report for BODC series reference number 315886
3158981990-12-09 23:37 56° 43' 59" N  7° 19' 59" W  View metadata report for BODC series reference number 315898
3159051990-12-10 01:54 56° 43' 59" N  6° 59' 42" W  View metadata report for BODC series reference number 315905
3159171990-12-10 03:01 56° 43' 59" N  6° 45' 6" W  View metadata report for BODC series reference number 315917
3159291990-12-10 04:46 56° 43' 41" N  6° 27' 0" W  View metadata report for BODC series reference number 315929
3159301990-12-10 05:39 56° 40' 59" N  6° 17' 6" W  View metadata report for BODC series reference number 315930
3159421990-12-10 07:26 56° 40' 0" N  6° 8' 5" W  View metadata report for BODC series reference number 315942
3159541990-12-10 11:15 56° 37' 23" N  6° 23' 53" W  View metadata report for BODC series reference number 315954
3159661990-12-10 18:27 56° 50' 12" N  8° 20' 6" W  View metadata report for BODC series reference number 315966
3159781990-12-10 19:22 56° 52' 54" N  8° 29' 53" W  View metadata report for BODC series reference number 315978
3159911990-12-10 21:07 56° 57' 0" N  8° 46' 54" W  View metadata report for BODC series reference number 315991
3160051990-12-10 22:20 57° 0' 0" N  8° 59' 48" W  View metadata report for BODC series reference number 316005
3160171990-12-11 08:59 57° 36' 0" N  7° 4' 12" W  View metadata report for BODC series reference number 316017
3160291990-12-11 09:35 57° 35' 6" N  6° 59' 24" W  View metadata report for BODC series reference number 316029
3160301990-12-11 10:16 57° 34' 0" N  6° 53' 35" W  View metadata report for BODC series reference number 316030
3160421990-12-11 10:49 57° 32' 59" N  6° 48' 24" W  View metadata report for BODC series reference number 316042
3160541990-12-11 11:23 57° 32' 12" N  6° 44' 24" W  View metadata report for BODC series reference number 316054