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RRS Challenger CH40

Cruise summary report

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Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH40
Cruise period1988-11-15 — 1988-11-29
StatusCompleted
Port of departureGreat Yarmouth, United Kingdom
Port of returnGreat Yarmouth, United Kingdom
PurposeResearch
ObjectivesPhysical oceanography - part of series of process studies in North Sea programme
1. To establish the influence of the sandbank field on regional water flow patterns, which have important implications on the modelling of residual flow and dispersion in this area.
2. In terms of process studies, to understand the mechanisms involved in the formation and maintainance of linear sandbanks, with particular reference to sand and water movement.
Chief scientistMichael B Collins (University of Southampton Department of Oceanography)
ProjectNorth Sea Project
Coordinating bodyNERC
Cruise reportRRS Challenger CH40 cruise report ch40_88.pdf (0.66 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorfolk Sandbanks
Track chartsRRS Challenger CH40 cruise track — ch40_88track.pdf (0.13 MB) 
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Description: attenuence,bathymetry,chlorophyll
Water bottle stationsQuantity: number of profiles = 43
CTD stationsQuantity: number of profiles = 54
Transparency (eg transmissometer)Quantity: number of profiles = 54
Current metersQuantity: number of stations = 10
Description: 23 cms deployed, 17 recovered
Current profiler (eg ADCP)Quantity: activity duration in hours = 14
Description: Shipborne ADCP between pressure sensors
Current profiler (eg ADCP)Quantity: activity duration in hours = 32
Description: Shipborne ADCP profiles near STABLE
Surface drifters/drifting buoysQuantity: number of deployments = 4
Description: ARGOS drifting buoys
Geology and geophysics 
Bottom photographyDescription: Seabed photography
Single-beam echosoundingDescription: both sandwave and sand banks site
Long/short range side scan sonarDescription: detailed side-scan sonar and echo-sounder survey
Moorings, landers, buoys 
Physical oceanography 
Current meters53° 10' 41" N  2° 11' 12" E — rig H, 2 cms, depl. 16 Nov, 20m
Current meters53° 19' 54" N  2° 6' 29" E — rig B, 3 cms, depl. 17 Nov, rec. 27 Nov, 27m
Current meters53° 18' 36" N  2° 8' 5" E — rig F, 2 cms, depl. 17 Nov, rec. 28 Nov, 20m
Current meters53° 14' 53" N  2° 15' 17" E — rig E, 3 cms, depl, 16 Nov, rec. 27 Nov, 20m
Current meters53° 13' 0" N  2° 13' 23" E — rig G, 2 cms, depl. 16 Nov, rec. 27 Nov
Current meters53° 15' 24" N  2° 16' 12" E — rig C, 3 cms, depl. 17 Nov, rec. 27 Nov, 20m
Current meters53° 24' 35" N  1° 58' 11" E — rig A, 2 cms, depl. 17 Nov, 20m
Sea level (inc. bot. press., inverted echosounder)53° 9' 53" N  2° 12' 24" E — PS (POL) 3 cm/tide gauge, depl. 16 Nov 1988
Sea level (inc. bot. press., inverted echosounder)53° 22' 5" N  2° 4' 5" E — PS (POL) 1 cm/tide gauge, depl. 17 Nov
Sea level (inc. bot. press., inverted echosounder)53° 14' 48" N  2° 17' 53" E — PS (POL) 2 cm/tide gauge, depl. 17 Nov
Other physical oceanographic measurements52° 39' 24" N  3° 40' 5" E — STABLE 2 Dutch sandwaves, depl 23, rec 26 Nov, 29m
Other physical oceanographic measurements53° 14' 30" N  2° 14' 42" E — STABLE 1 Norfolk Sandbanks, depl 19,rec 22 Nov,30m
Data held at BODC Get data
Series/Profiles 
54  CTD/STD cast
Transmittance and attenuance of the water column
Salinity of the water column
Vertical spatial coordinates
Temperature of the water column
Density of the water column
[Show series]
Transmittance and attenuance of the water column
Salinity of the water column
Vertical spatial coordinates
Temperature of the water column
Density of the water column
[Hide series]

BODC idDate/TimeLocationDoc.
8132221988-11-20 12:03 53° 18' 42" N  2° 8' 58" E  View metadata report for BODC series reference number 813222
8133141988-11-20 18:40 53° 16' 29" N  2° 15' 14" E  View metadata report for BODC series reference number 813314
8134181988-11-21 01:04 53° 13' 14" N  2° 14' 38" E  View metadata report for BODC series reference number 813418
8134921988-11-21 04:34 53° 13' 35" N  2° 14' 34" E  View metadata report for BODC series reference number 813492
8135111988-11-21 05:06 53° 13' 27" N  2° 14' 17" E  View metadata report for BODC series reference number 813511
8135351988-11-21 06:04 53° 13' 22" N  2° 14' 38" E  View metadata report for BODC series reference number 813535
8136391988-11-24 10:47 52° 39' 8" N  3° 39' 54" E  View metadata report for BODC series reference number 813639
8136521988-11-24 14:53 52° 39' 22" N  3° 40' 19" E  View metadata report for BODC series reference number 813652
8133751988-11-20 22:50 53° 13' 18" N  2° 13' 58" E  View metadata report for BODC series reference number 813375
8134801988-11-21 04:04 53° 13' 25" N  2° 14' 42" E  View metadata report for BODC series reference number 813480
8135591988-11-21 07:03 53° 13' 21" N  2° 14' 34" E  View metadata report for BODC series reference number 813559
8135841988-11-21 08:38 53° 13' 41" N  2° 13' 56" E  View metadata report for BODC series reference number 813584
8137201988-11-24 12:50 52° 39' 13" N  3° 39' 6" E  View metadata report for BODC series reference number 813720
8132461988-11-20 13:54 53° 18' 53" N  2° 9' 40" E  View metadata report for BODC series reference number 813246
8133021988-11-20 17:53 53° 15' 54" N  2° 14' 10" E  View metadata report for BODC series reference number 813302
8133511988-11-20 21:34 53° 13' 43" N  2° 13' 52" E  View metadata report for BODC series reference number 813351
8135961988-11-21 09:09 53° 13' 42" N  2° 13' 52" E  View metadata report for BODC series reference number 813596
8136401988-11-24 13:51 52° 39' 17" N  3° 40' 11" E  View metadata report for BODC series reference number 813640
8136761988-11-21 07:45 53° 13' 14" N  2° 14' 51" E  View metadata report for BODC series reference number 813676
8137191988-11-24 11:48 52° 39' 10" N  3° 40' 0" E  View metadata report for BODC series reference number 813719
8137681988-11-24 20:48 52° 38' 54" N  3° 40' 0" E  View metadata report for BODC series reference number 813768
8132101988-11-20 11:30 53° 18' 31" N  2° 8' 35" E  View metadata report for BODC series reference number 813210
8132951988-11-20 16:58 53° 21' 0" N  2° 13' 28" E  View metadata report for BODC series reference number 813295
8134431988-11-21 02:03 53° 13' 34" N  2° 14' 34" E  View metadata report for BODC series reference number 813443
8135471988-11-21 06:37 53° 13' 40" N  2° 14' 12" E  View metadata report for BODC series reference number 813547
8136271988-11-24 09:56 52° 39' 5" N  3° 39' 51" E  View metadata report for BODC series reference number 813627
8137071988-11-24 09:25 52° 39' 5" N  3° 39' 42" E  View metadata report for BODC series reference number 813707
8137561988-11-24 19:54 52° 39' 4" N  3° 40' 27" E  View metadata report for BODC series reference number 813756
8132091988-11-20 10:37 53° 18' 20" N  2° 7' 52" E  View metadata report for BODC series reference number 813209
8133631988-11-20 22:11 53° 13' 29" N  2° 14' 3" E  View metadata report for BODC series reference number 813363
8133871988-11-20 23:36 53° 13' 37" N  2° 14' 14" E  View metadata report for BODC series reference number 813387
8134551988-11-21 02:34 53° 13' 21" N  2° 14' 40" E  View metadata report for BODC series reference number 813455
8135721988-11-21 08:07 53° 13' 25" N  2° 14' 20" E  View metadata report for BODC series reference number 813572
8136151988-11-21 11:51 53° 13' 31" N  2° 13' 55" E  View metadata report for BODC series reference number 813615
8137321988-11-24 15:54 52° 39' 28" N  3° 40' 24" E  View metadata report for BODC series reference number 813732
8137811988-11-24 21:54 52° 39' 5" N  3° 39' 10" E  View metadata report for BODC series reference number 813781
8132831988-11-20 16:12 53° 20' 39" N  2° 12' 43" E  View metadata report for BODC series reference number 813283
8133991988-11-21 00:11 53° 13' 32" N  2° 13' 52" E  View metadata report for BODC series reference number 813399
8134311988-11-21 01:34 53° 13' 34" N  2° 14' 13" E  View metadata report for BODC series reference number 813431
8134671988-11-21 03:04 53° 13' 37" N  2° 14' 25" E  View metadata report for BODC series reference number 813467
8134791988-11-21 03:33 53° 13' 23" N  2° 14' 39" E  View metadata report for BODC series reference number 813479
8135231988-11-21 05:35 53° 13' 25" N  2° 14' 43" E  View metadata report for BODC series reference number 813523
8136881988-11-21 12:57 53° 15' 47" N  2° 11' 54" E  View metadata report for BODC series reference number 813688
8137441988-11-24 18:50 52° 39' 9" N  3° 40' 43" E  View metadata report for BODC series reference number 813744
8132581988-11-20 14:37 53° 19' 37" N  2° 10' 51" E  View metadata report for BODC series reference number 813258
8132711988-11-20 15:12 53° 20' 5" N  2° 11' 32" E  View metadata report for BODC series reference number 813271
8133381988-11-20 21:09 53° 13' 37" N  2° 13' 45" E  View metadata report for BODC series reference number 813338
8134061988-11-21 00:34 53° 13' 51" N  2° 13' 37" E  View metadata report for BODC series reference number 813406
8136031988-11-21 10:25 53° 14' 8" N  2° 13' 35" E  View metadata report for BODC series reference number 813603
8136641988-11-20 19:56 53° 18' 13" N  2° 16' 41" E  View metadata report for BODC series reference number 813664
8131911988-11-19 20:18 53° 13' 23" N  2° 14' 27" E  View metadata report for BODC series reference number 813191
8132341988-11-20 12:48 53° 18' 49" N  2° 9' 40" E  View metadata report for BODC series reference number 813234
8133261988-11-20 19:20 53° 17' 34" N  2° 15' 52" E  View metadata report for BODC series reference number 813326
8135601988-11-21 07:34 53° 13' 23" N  2° 14' 48" E  View metadata report for BODC series reference number 813560
Discrete samples 
54  CTD frame plus rosette samplerTransmittance and attenuance of the water column
Salinity of the water column
Temperature of the water column
Density of the water column

 

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