Cruise inventory

RRS Challenger CH7A/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH7A/75
Cruise period1975-05-01 — 1975-05-06
StatusCompleted
Port of departureGreenock, United Kingdom
Port of returnOban, United Kingdom
PurposeResearch
ObjectivesThe objectives of this cruise were:
1. Deploying a current meter mooring at 57N, 9W for the duration of the cruise. Accomplished.
2. Work an STD time series at the current meter site. Accomplished..
3. Work the Rockall via Anton Dohrn Seamount (Ellett Line) hydrographic section. Achieved as far as the deep water to the W of the Seamount.
4. Collection of shelf sediment Shipek Grab samples for Aberystwyth University. Accomplished.
5. Collection of large-volume water samples for radio-caesium measurements. Accomplished
6. Testing and development of a data logging system for STD system. Accomplished.
7. Near real-time supply of temperature profiles to the Met Office. Accomplished.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH7A/75 cruise report ch7a_75.pdf — access key 'C' (0.08 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
SpecificRockall Channel
Measurements 
Physical oceanography 
CTD stationsQuantity: number of stations = 31
Chemical oceanography 
RadioactivityQuantity: number of samples = 10
Description: Large-volume water sampes
Geology and geophysics 
GrabQuantity: number of deployments = 7
Description: Shipek Grab samples
Moorings, landers, buoys 
Physical oceanography 
Current meters57° 0' 0" N  9° 0' 0" W — Current meter deployment for cruise duration.
Data held at BODC 
Series/Profiles 
31  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.
899501975-05-04 12:32 57° 23' 59" N  10° 51' 59" W  View metadata report for BODC series reference number 89950
899621975-05-04 14:30 57° 27' 17" N  11° 3' 29" W  View metadata report for BODC series reference number 89962
899741975-05-04 18:00 57° 27' 59" N  11° 18' 59" W  View metadata report for BODC series reference number 89974
899861975-05-04 20:30 57° 29' 29" N  11° 50' 59" W  View metadata report for BODC series reference number 89986
899981975-05-05 00:17 57° 30' 0" N  12° 15' 0" W  View metadata report for BODC series reference number 89998
900111975-05-05 15:30 57° 0' 59" N  9° 26' 59" W  View metadata report for BODC series reference number 90011
900231975-05-05 16:38 57° 0' 0" N  9° 24' 0" W  View metadata report for BODC series reference number 90023
900351975-05-05 17:45 57° 0' 0" N  9° 20' 47" W  View metadata report for BODC series reference number 90035
900471975-05-05 18:53 57° 0' 0" N  9° 16' 59" W  View metadata report for BODC series reference number 90047
900591975-05-05 19:45 57° 0' 0" N  9° 11' 59" W  View metadata report for BODC series reference number 90059
900601975-05-05 20:30 57° 0' 0" N  9° 7' 59" W  View metadata report for BODC series reference number 90060
900721975-05-05 21:00 57° 0' 0" N  9° 3' 0" W  View metadata report for BODC series reference number 90072
900841975-05-05 21:20 56° 59' 29" N  8° 57' 59" W  View metadata report for BODC series reference number 90084
897651975-05-03 10:10 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89765
897771975-05-03 11:05 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89777
897891975-05-03 12:04 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89789
897901975-05-03 13:15 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89790
898081975-05-03 14:05 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89808
898211975-05-03 15:02 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89821
898331975-05-03 16:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89833
898451975-05-03 17:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89845
898571975-05-03 18:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89857
898691975-05-03 19:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89869
898701975-05-03 20:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89870
898821975-05-03 21:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89882
898941975-05-03 22:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89894
899011975-05-03 23:00 57° 0' 0" N  9° 0' 0" W  View metadata report for BODC series reference number 89901
899131975-05-04 01:06 57° 6' 0" N  9° 24' 59" W  View metadata report for BODC series reference number 89913
899251975-05-04 03:08 57° 8' 47" N  9° 42' 29" W  View metadata report for BODC series reference number 89925
899371975-05-04 06:35 57° 13' 59" N  10° 0' 59" W  View metadata report for BODC series reference number 89937
899491975-05-04 09:00 57° 17' 59" N  10° 19' 59" W  View metadata report for BODC series reference number 89949