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RRS Challenger CH105

Cruise summary report

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Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH105
Cruise period1993-09-03 — 1993-09-16
StatusCompleted
Port of departureOban, United Kingdom
Port of returnArdrossan, United Kingdom
PurposeResearch
Objectives1. To make CTD profiles and to collect water samples for nutrient and phytoplanktonic analysis at standard positions between the Sound of Mull and the shelf edge West of Barra.
2. To maintain the DML current meter mooring in the Tiree Passage.
3. To deploy an RDI broadband acoustic Doppler profiler (ADCP) on a trial mooring prior to its eventual deployment in the Agulhas Current as part of WOCE.
4. To collect a suite of physical, biological and chemical profiles and sea-bed samples (multicorer and Craib corers) at the shelf edge as part of the LOIS studies.
5. To recover and redeploy a temperature and salinity recorder with thermistor chain at station M of the Anton Dohrn section.
6. To work the CTD stations of the Anton Dohrn Seamount (Ellett Line) section between the shelf-edge and Rockall to continue the Rockall Trough times series as a UK contribution to WOCE goal . To collect nuitrient and phytoplankton samples along this line.
7. To work CTD, nutrient and phytoplankton sections in the Clyde Sea area as a part of the MAST 2 "PROFILE" project.
8. To launch POL satellite tracked drogues in the North Channel in preparation for "Challenger" cruise 106.
9. To measure water column and sea surface conditions on the continental shelf in the swath of ERS-1 satellite overpasses on the 12th and 13th of September.
10. To collect material from the core of the Scottish Continental Slope Current, adjacent shelf waters and the Rockall Trough to study zooplankton indicator species there.
11. To collect live copepods, Plueromamma robusta (Giesbrecht, 1889).
Chief scientistAnton Edwards (Dunstaffnage Marine Laboratory)
ProjectWOCE/LOIS-SES
Coordinating bodyIOC/WMO (within UK James Rennell Centre)/NERC/EU MAST
Cruise reportRRS Challenger CH105 cruise report ch105_93.pdf (0.76 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificRockall Trough, W Scottish Shelf Edge, Sea of Hebrides, Firth of Clyde
Track chartsRRS Challenger CH105 cruise track — trk3952.html
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 13
Description: temperature in near surface water
CTD stationsQuantity: number of profiles = 90
Description: 16-profile time series 12/13 Sep,corresponding to ERS1 satellite overpasses
Chemical oceanography 
PhosphateQuantity: number of stations = 74
NitrateQuantity: number of stations = 74
NitriteQuantity: number of stations = 74
AmmoniaQuantity: number of stations = 74
SilicateQuantity: number of stations = 74
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 13
Description: temperature in near surface water
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 90
Description: 16-profile time series 12/13 Sep,corresponding to ERS1 satellite overpasses
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 74
Biochemical measurements (eg lipids, amino acids)Quantity: number of experiments = 9
Description: sediment oxygen uptake. Studies & sediment carbon/nitrogen content
ZooplanktonQuantity: number of hauls = 40
Description: 7 RMT1+7 oblique and stepped tows & 33 Neuston net
Geology and geophysics 
Core - soft bottomQuantity: number of experiments = 9
Description: sediment oxygen uptake. Studies & sediment carbon/nitrogen content
Moorings, landers, buoys 
Physical oceanography 
Subsurface temperature measurements57° 17' 59" N  10° 23' 12" W — 50m therm. chain & SeaCat t-S logger rec. 4 Sep.
Subsurface temperature measurements57° 17' 59" N  10° 23' 12" W — 50m therm. chain & SeaCat t-S logger depl. 7 Sep.
Current meters56° 37' 30" N  6° 24' 6" W — Mooring serviced 10 Sep. 2 Aanderaa CMs at 26m and 36m depth in sounding of 46m
Current profiler (eg ADCP)56° 39' 35" N  9° 35' 42" W — RDI ADCP depl.4 Sep. at 500m, Aanderaa CMs at 500m and 600m, water depth 1650m
Surface drifters/drifting buoys54° 46' 12" N  5° 22' 54" W — Drifting Argos buoys depl. 14 Sep
Surface drifters/drifting buoys54° 46' 12" N  5° 22' 47" W — Drifting Argos buoys depl. 14 Sep
Surface drifters/drifting buoys54° 44' 17" N  5° 27' 53" W — Drifting Argos buoys depl. 14 Sep
Surface drifters/drifting buoys54° 59' 41" N  5° 29' 24" W — Drifting Argos buoys depl. 14 Sep
Surface drifters/drifting buoys54° 51' 29" N  5° 13' 0" W — Drifting Argos buoys depl. 14 Sep
Surface drifters/drifting buoys54° 48' 24" N  5° 17' 59" W — Drifting Argos buoys depl. 14 Sep
Surface drifters/drifting buoys54° 48' 24" N  5° 17' 59" W — Drifting Argos buoys depl. 14 Sep
Other physical oceanographic measurements57° 17' 59" N  10° 23' 12" W — (as above). Depl. 16 May 1993
Other physical oceanographic measurements57° 17' 59" N  10° 23' 12" W — (as above) at nominal depth 674m depth in 2224m sounding
Data held at BODC Get data
Series/Profiles 
87  CTD/STD cast
Dissolved oxygen parameters in the water column
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column
[Show series]
Dissolved oxygen parameters in the water column
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column
[Hide series]

BODC idDate/TimeLocationDoc.
3876941993-09-05 04:46 57° 34' 57" N  13° 38' 6" W  View metadata report for BODC series reference number 387694
3877131993-09-05 10:28 57° 32' 59" N  13° 0' 10" W  View metadata report for BODC series reference number 387713
3877501993-09-06 04:52 57° 29' 48" N  11° 51' 35" W  View metadata report for BODC series reference number 387750
3877981993-09-06 17:49 57° 24' 10" N  10° 52' 6" W  View metadata report for BODC series reference number 387798
3884271993-09-15 00:44 55° 13' 57" N  5° 15' 5" W  View metadata report for BODC series reference number 388427
3879341993-09-09 20:43 56° 43' 59" N  7° 40' 0" W  View metadata report for BODC series reference number 387934
3882431993-09-12 10:55 56° 49' 58" N  8° 39' 58" W  View metadata report for BODC series reference number 388243
3884881993-09-15 09:55 55° 46' 42" N  4° 58' 45" W  View metadata report for BODC series reference number 388488
3879461993-09-09 22:14 56° 44' 16" N  7° 30' 8" W  View metadata report for BODC series reference number 387946
3880341993-09-10 18:19 56° 47' 5" N  7° 59' 53" W  View metadata report for BODC series reference number 388034
3880951993-09-11 02:11 56° 59' 54" N  9° 0' 2" W  View metadata report for BODC series reference number 388095
3880711993-09-10 22:39 56° 52' 57" N  8° 30' 5" W  View metadata report for BODC series reference number 388071
3881141993-09-11 14:30 56° 39' 37" N  8° 49' 53" W  View metadata report for BODC series reference number 388114
3882671993-09-13 12:12 56° 50' 3" N  8° 39' 54" W  View metadata report for BODC series reference number 388267
3883721993-09-13 21:55 56° 49' 57" N  8° 40' 1" W  View metadata report for BODC series reference number 388372
3877741993-09-06 12:38 57° 28' 5" N  11° 18' 25" W  View metadata report for BODC series reference number 387774
3883961993-09-14 13:54 55° 13' 1" N  5° 55' 0" W  View metadata report for BODC series reference number 388396
3886001993-09-15 22:45 55° 27' 0" N  5° 2' 3" W  View metadata report for BODC series reference number 388600
3884521993-09-15 04:00 55° 26' 44" N  5° 1' 22" W  View metadata report for BODC series reference number 388452
3885441993-09-15 16:22 55° 40' 18" N  5° 25' 18" W  View metadata report for BODC series reference number 388544
3877371993-09-05 17:18 57° 32' 1" N  12° 37' 49" W  View metadata report for BODC series reference number 387737
3880221993-09-10 16:58 56° 43' 59" N  7° 40' 5" W  View metadata report for BODC series reference number 388022
3878301993-09-07 21:42 57° 9' 2" N  9° 41' 16" W  View metadata report for BODC series reference number 387830
3885201993-09-15 13:52 55° 50' 43" N  5° 19' 41" W  View metadata report for BODC series reference number 388520
3878171993-09-07 04:08 57° 18' 4" N  10° 24' 11" W  View metadata report for BODC series reference number 387817
3878661993-09-08 19:26 57° 4' 32" N  9° 18' 51" W  View metadata report for BODC series reference number 387866
3879581993-09-09 23:30 56° 43' 59" N  7° 19' 49" W  View metadata report for BODC series reference number 387958
3879711993-09-10 01:47 56° 44' 4" N  6° 59' 48" W  View metadata report for BODC series reference number 387971
3879951993-09-10 05:08 56° 43' 59" N  6° 27' 0" W  View metadata report for BODC series reference number 387995
3881381993-09-11 16:56 56° 39' 53" N  9° 0' 0" W  View metadata report for BODC series reference number 388138
3885681993-09-15 18:27 55° 30' 9" N  5° 26' 30" W  View metadata report for BODC series reference number 388568
3877491993-09-05 21:30 57° 30' 23" N  12° 15' 10" W  View metadata report for BODC series reference number 387749
3878421993-09-08 04:54 57° 8' 59" N  9° 33' 33" W  View metadata report for BODC series reference number 387842
3878781993-09-08 20:53 57° 5' 48" N  9° 19' 20" W  View metadata report for BODC series reference number 387878
3879101993-09-09 01:53 57° 0' 0" N  8° 59' 53" W  View metadata report for BODC series reference number 387910
3881991993-09-12 01:20 56° 40' 1" N  9° 24' 49" W  View metadata report for BODC series reference number 388199
3882061993-09-12 03:47 56° 40' 5" N  9° 30' 6" W  View metadata report for BODC series reference number 388206
3882181993-09-12 08:57 56° 49' 58" N  8° 39' 52" W  View metadata report for BODC series reference number 388218
3883351993-09-13 17:58 56° 49' 59" N  8° 39' 47" W  View metadata report for BODC series reference number 388335
3885071993-09-15 11:17 55° 41' 59" N  5° 8' 46" W  View metadata report for BODC series reference number 388507
3885931993-09-15 20:40 55° 17' 12" N  5° 27' 5" W  View metadata report for BODC series reference number 388593
3878291993-09-07 14:56 57° 13' 59" N  10° 13' 59" W  View metadata report for BODC series reference number 387829
3878911993-09-08 22:19 57° 3' 5" N  9° 13' 7" W  View metadata report for BODC series reference number 387891
3879091993-09-09 00:53 57° 1' 31" N  9° 6' 27" W  View metadata report for BODC series reference number 387909
3881021993-09-11 13:08 56° 39' 52" N  8° 45' 1" W  View metadata report for BODC series reference number 388102
3881261993-09-11 15:28 56° 40' 0" N  8° 54' 53" W  View metadata report for BODC series reference number 388126
3881511993-09-11 18:03 56° 40' 5" N  9° 4' 36" W  View metadata report for BODC series reference number 388151
3883471993-09-13 18:56 56° 50' 3" N  8° 39' 59" W  View metadata report for BODC series reference number 388347
3877011993-09-05 08:45 57° 34' 13" N  13° 19' 18" W  View metadata report for BODC series reference number 387701
3880091993-09-10 06:16 56° 40' 59" N  6° 16' 59" W  View metadata report for BODC series reference number 388009
3880581993-09-10 21:02 56° 50' 5" N  8° 19' 48" W  View metadata report for BODC series reference number 388058
3882801993-09-13 13:56 56° 50' 0" N  8° 40' 4" W  View metadata report for BODC series reference number 388280
3884761993-09-15 07:35 55° 38' 21" N  5° 1' 52" W  View metadata report for BODC series reference number 388476
3886121993-09-15 23:31 55° 25' 0" N  4° 56' 51" W  View metadata report for BODC series reference number 388612
3877621993-09-06 07:47 57° 29' 1" N  11° 32' 10" W  View metadata report for BODC series reference number 387762
3877861993-09-06 14:37 57° 26' 34" N  11° 5' 4" W  View metadata report for BODC series reference number 387786
3881751993-09-11 21:32 56° 40' 4" N  9° 14' 55" W  View metadata report for BODC series reference number 388175
3878541993-09-08 07:00 57° 6' 6" N  9° 25' 5" W  View metadata report for BODC series reference number 387854
3879831993-09-10 03:14 56° 43' 59" N  6° 45' 6" W  View metadata report for BODC series reference number 387983
3880461993-09-10 19:58 56° 48' 45" N  8° 10' 10" W  View metadata report for BODC series reference number 388046
3881871993-09-12 00:05 56° 40' 9" N  9° 20' 3" W  View metadata report for BODC series reference number 388187
3882311993-09-12 09:59 56° 50' 4" N  8° 39' 58" W  View metadata report for BODC series reference number 388231
3883231993-09-13 16:59 56° 49' 59" N  8° 40' 5" W  View metadata report for BODC series reference number 388323
3883591993-09-13 19:54 56° 49' 59" N  8° 40' 1" W  View metadata report for BODC series reference number 388359
3885321993-09-15 15:13 55° 42' 38" N  5° 19' 55" W  View metadata report for BODC series reference number 388532
3878051993-09-06 19:49 57° 21' 55" N  10° 40' 1" W  View metadata report for BODC series reference number 387805
3886241993-09-16 00:06 55° 24' 6" N  4° 52' 8" W  View metadata report for BODC series reference number 388624
3883601993-09-13 20:55 56° 49' 57" N  8° 39' 57" W  View metadata report for BODC series reference number 388360
3877251993-09-05 13:02 57° 32' 25" N  12° 51' 31" W  View metadata report for BODC series reference number 387725
3885811993-09-15 19:10 55° 25' 54" N  5° 28' 56" W  View metadata report for BODC series reference number 388581
3881631993-09-11 20:15 56° 40' 7" N  9° 10' 13" W  View metadata report for BODC series reference number 388163
3884401993-09-15 03:09 55° 21' 56" N  5° 4' 42" W  View metadata report for BODC series reference number 388440
3879221993-09-09 03:47 56° 57' 2" N  8° 47' 12" W  View metadata report for BODC series reference number 387922
3884391993-09-15 01:34 55° 18' 6" N  5° 11' 12" W  View metadata report for BODC series reference number 388439
3880831993-09-11 00:16 56° 57' 2" N  8° 47' 5" W  View metadata report for BODC series reference number 388083
3882791993-09-13 12:58 56° 50' 12" N  8° 39' 33" W  View metadata report for BODC series reference number 388279
3880101993-09-10 08:32 56° 39' 59" N  6° 7' 52" W  View metadata report for BODC series reference number 388010
3882551993-09-12 11:28 56° 49' 58" N  8° 40' 1" W  View metadata report for BODC series reference number 388255
3882921993-09-13 14:59 56° 50' 7" N  8° 39' 8" W  View metadata report for BODC series reference number 388292
3883111993-09-13 15:59 56° 49' 54" N  8° 39' 53" W  View metadata report for BODC series reference number 388311
3883841993-09-13 22:26 56° 50' 1" N  8° 40' 0" W  View metadata report for BODC series reference number 388384
3884031993-09-14 17:10 54° 59' 53" N  5° 29' 53" W  View metadata report for BODC series reference number 388403
3884151993-09-14 23:14 55° 9' 33" N  5° 22' 13" W  View metadata report for BODC series reference number 388415
3884641993-09-15 06:42 55° 32' 17" N  4° 59' 6" W  View metadata report for BODC series reference number 388464
3885191993-09-15 12:58 55° 46' 18" N  5° 15' 35" W  View metadata report for BODC series reference number 388519
3885561993-09-15 17:23 55° 34' 26" N  5° 25' 22" W  View metadata report for BODC series reference number 388556
3886611993-09-08 03:07 57° 7' 59" N  9° 33' 42" W  View metadata report for BODC series reference number 388661
2  Paddle wheel current meter
Date and time
Salinity of the water column
Temperature of the water column
Horizontal velocity of the water column (currents)
[Show series]
Date and time
Salinity of the water column
Temperature of the water column
Horizontal velocity of the water column (currents)
[Hide series]

BODC idDate/TimeLocationDoc.
5081361993-09-10 14:30:06  — 1994-03-14 08:31:30 56° 37' 31" N  6° 24' 6" W  View metadata report for BODC series reference number 508136
5080681993-09-10 14:30:06  — 1994-03-14 08:31:30 56° 37' 31" N  6° 24' 6" W  View metadata report for BODC series reference number 508068

 

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