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RRS Challenger CH13/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH13/77
Cruise period1977-08-20 — 1977-09-03
StatusCompleted
Port of departureArdrossan, United Kingdom
Port of returnArdrossan, United Kingdom
PurposeResearch
ObjectivesCruise objectives were.
(1) Service the current meter mooring at 57N, 9W and recover another NW of St Kilda. Accomplished.
(2) STD time series at apices of 15km triangles centred on the JASIN moorings and Anton Dohrn Station F. Completed for Station F and two of the moorings plus five of six profiles on a third mooring before bad weather set in. One mooring not worked.
(3) Make shear measurements with the Royal Australian Navy Gradient Richardson number meter. Accomplished.
(4) Work the Anton Dohrn Seamount (Ellett Line) STD section. Accomplished.
(5) Work a series of 25-hour STD time series stations to 1200m depth. Not possible due to weather.
(6) Record along-track temperature and salinity using the STD in a pumped flow on-deck with 10-minute bathymetric depth soundings. Accomplished.
(7) Repeat the shelf-edge STD stations worked on RRS Challenger cruise 10/77. One of the shelf-edge sections (Barra Head) worked.
(8) Collect large-volume surface water samples for radiocaesium analysis. Accomplished with STD profiles.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
ProjectJASIN
Cruise reportRRS Challenger CH13/77 cruise report ch13_77.pdf (0.24 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRRS Challenger CH13/77 cruise track — trk2125.html
Measurements 
Physical oceanography 
Surface measurements underway (T,S)
Water bottle stationsQuantity: number of stations = 42
Description: S surface 35 T surface
CTD stationsQuantity: number of stations = 52
Current metersQuantity: number of deployments = 1
Description: 48 days
Other physical oceanographic measurementsQuantity: number of measurements = 3
Description: gradient(Richardson number meter)
Chemical oceanography 
IsotopesQuantity: number of samples = 6
Geology and geophysics 
Bottom photographyDescription: motion picture
Data held at BODC Get data
Series/Profiles 
50  CTD/STD cast
Reference numbers
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column
Reference numbers
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column

BODC idDate/TimeLocationDoc.
888171977-08-22 19:59 57° 31' 48" N  12° 38' 11" W  View metadata report for BODC series reference number 88817
888541977-08-23 02:15 57° 33' 5" N  13° 32' 17" W  View metadata report for BODC series reference number 88854
889341977-08-23 18:00 57° 27' 0" N  12° 6' 35" W  View metadata report for BODC series reference number 88934
890341977-08-27 03:17 58° 42' 5" N  12° 29' 35" W  View metadata report for BODC series reference number 89034
891021977-08-30 21:03 57° 39' 59" N  9° 6' 29" W  View metadata report for BODC series reference number 89102
886701977-08-21 12:50 56° 56' 11" N  8° 46' 41" W  View metadata report for BODC series reference number 88670
887371977-08-22 01:15 57° 15' 54" N  10° 21' 47" W  View metadata report for BODC series reference number 88737
887501977-08-22 06:27 57° 23' 53" N  10° 51' 47" W  View metadata report for BODC series reference number 88750
889581977-08-23 20:13 57° 33' 41" N  12° 18' 47" W  View metadata report for BODC series reference number 88958
890461977-08-27 08:38 59° 18' 23" N  12° 20' 42" W  View metadata report for BODC series reference number 89046
891871977-08-31 23:55 56° 46' 53" N  7° 59' 29" W  View metadata report for BODC series reference number 89187
888911977-08-23 12:46 57° 26' 53" N  12° 6' 59" W  View metadata report for BODC series reference number 88891
889091977-08-23 14:09 57° 33' 17" N  12° 14' 11" W  View metadata report for BODC series reference number 88909
890091977-08-26 20:56 58° 41' 11" N  12° 29' 5" W  View metadata report for BODC series reference number 89009
890831977-08-27 15:05 59° 18' 29" N  12° 20' 42" W  View metadata report for BODC series reference number 89083
886821977-08-21 14:40 57° 0' 54" N  9° 1' 5" W  View metadata report for BODC series reference number 88682
887491977-08-22 03:47 57° 21' 5" N  10° 38' 35" W  View metadata report for BODC series reference number 88749
888051977-08-22 17:11 57° 30' 47" N  12° 14' 53" W  View metadata report for BODC series reference number 88805
888301977-08-22 23:19 57° 32' 35" N  12° 58' 17" W  View metadata report for BODC series reference number 88830
889101977-08-23 14:53 57° 33' 59" N  12° 15' 29" W  View metadata report for BODC series reference number 88910
889831977-08-26 17:15 58° 37' 23" N  12° 17' 41" W  View metadata report for BODC series reference number 88983
889951977-08-26 18:51 58° 44' 53" N  12° 16' 53" W  View metadata report for BODC series reference number 88995
890711977-08-27 12:40 59° 26' 29" N  12° 19' 23" W  View metadata report for BODC series reference number 89071
891511977-08-31 04:45 57° 15' 54" N  8° 16' 35" W  View metadata report for BODC series reference number 89151
890221977-08-27 01:21 58° 45' 0" N  12° 17' 35" W  View metadata report for BODC series reference number 89022
886691977-08-21 10:36 56° 50' 41" N  8° 19' 29" W  View metadata report for BODC series reference number 88669
887011977-08-21 17:34 57° 5' 29" N  9° 24' 41" W  View metadata report for BODC series reference number 88701
887621977-08-22 08:19 57° 26' 6" N  11° 4' 53" W  View metadata report for BODC series reference number 88762
887981977-08-22 14:21 57° 29' 17" N  11° 50' 11" W  View metadata report for BODC series reference number 88798
888421977-08-23 01:02 57° 33' 11" N  13° 19' 12" W  View metadata report for BODC series reference number 88842
888781977-08-23 12:00 57° 26' 6" N  12° 8' 24" W  View metadata report for BODC series reference number 88878
889711977-08-23 20:54 57° 33' 11" N  12° 14' 5" W  View metadata report for BODC series reference number 88971
890581977-08-27 10:42 59° 22' 59" N  12° 3' 59" W  View metadata report for BODC series reference number 89058
891261977-08-31 00:31 57° 34' 53" N  8° 31' 23" W  View metadata report for BODC series reference number 89126
891381977-08-31 02:58 57° 33' 5" N  8° 17' 35" W  View metadata report for BODC series reference number 89138
891751977-08-31 18:50 57° 1' 29" N  9° 11' 29" W  View metadata report for BODC series reference number 89175
886941977-08-21 16:05 57° 2' 42" N  9° 13' 53" W  View metadata report for BODC series reference number 88694
887131977-08-21 19:53 57° 8' 42" N  9° 43' 23" W  View metadata report for BODC series reference number 88713
887251977-08-21 22:38 57° 12' 41" N  10° 2' 17" W  View metadata report for BODC series reference number 88725
888291977-08-22 21:52 57° 32' 23" N  12° 51' 59" W  View metadata report for BODC series reference number 88829
889461977-08-23 18:47 57° 27' 0" N  12° 6' 35" W  View metadata report for BODC series reference number 88946
887741977-08-22 10:11 57° 27' 11" N  11° 19' 23" W  View metadata report for BODC series reference number 88774
887861977-08-22 11:58 57° 29' 17" N  11° 32' 35" W  View metadata report for BODC series reference number 88786
888661977-08-23 09:59 57° 26' 42" N  12° 22' 17" W  View metadata report for BODC series reference number 88866
889221977-08-23 16:30 57° 26' 47" N  12° 21' 35" W  View metadata report for BODC series reference number 88922
890101977-08-26 23:21 58° 37' 23" N  12° 16' 59" W  View metadata report for BODC series reference number 89010
890951977-08-27 17:02 59° 22' 41" N  12° 5' 6" W  View metadata report for BODC series reference number 89095
891141977-08-30 22:46 57° 37' 30" N  8° 48' 59" W  View metadata report for BODC series reference number 89114
891631977-08-31 18:40 57° 1' 29" N  9° 11' 29" W  View metadata report for BODC series reference number 89163
891991977-09-01 01:44 56° 43' 53" N  7° 39' 36" W  View metadata report for BODC series reference number 89199