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RRS Discovery D223B

Cruise summary report

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Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD223B
Cruise period1996-10-22 — 1996-11-19
StatusCompleted
Port of departureReykjavík, Iceland
Port of returnSouthampton, United Kingdom
PurposeResearch
Objectives1. To determine the current status of the circulation, water mass distribution and eddy activity in the northern North Atlantic between the British Isles, Iceland and Greenland.
2. To assess the primary productivity in the region and the measurement of surface fluxes of heat and fresh water.
Chief scientistRaymond T Pollard (Southampton Oceanography Centre)
ProjectVIVALDI 1996
Coordinating bodyWOCE
Cruise reportRRS Discovery D223B cruise report d223.pdf (9.33 MB) 
Ocean/sea areas 
GeneralNorth Atlantic Ocean
Track chartsRRS Discovery D223B cruise track — d223trk.pdf (0.11 MB) 
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 28
Description: Underway meteorology, PAR, surface temperature and salinity, fluorescence
CTD stationsQuantity: number of stations = 28
Description: CTD vertical profiles
Subsurface temperature and salinity measurementsQuantity: track kilometres = 6891
Description: Seasoar surveying to 400m
Optics (eg underwater light levels)Quantity: track kilometres = 6891
Description: Seasoar surveying to 400m
Geochemical tracers (eg freons)Quantity: number of stations = 25
Description: Freons
Current profiler (eg ADCP)Quantity: activity duration in days = 28
Description: Underway current profiling
Chemical oceanography 
OxygenQuantity: number of stations = 28
Description: CTD - bottle samples - O18, nutrients, oxygen
PhosphateQuantity: number of stations = 28
Description: CTD - bottle samples - O18, nutrients, oxygen
PhosphateQuantity: activity duration in days = 28
Description: Discrete samples from non-toxic supply, hourly nutrients (NO2, NO3, Si, PO4)
NitrateQuantity: number of stations = 28
Description: CTD - bottle samples - O18, nutrients, oxygen
NitrateQuantity: activity duration in days = 28
Description: Discrete samples from non-toxic supply, hourly nutrients (NO2, NO3, Si, PO4)
SilicateQuantity: number of stations = 28
Description: CTD - bottle samples - O18, nutrients, oxygen
SilicateQuantity: activity duration in days = 28
Description: Discrete samples from non-toxic supply, hourly nutrients (NO2, NO3, Si, PO4)
IsotopesQuantity: number of stations = 28
Description: CTD - bottle samples - O18, nutrients, oxygen
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: track kilometres = 6891
Description: Seasoar surveying to 400m
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 28
Description: Underway meteorology, PAR, surface temperature and salinity, fluorescence
Meteorology 
Incident radiationQuantity: activity duration in days = 28
Description: Underway meteorology, PAR, surface temperature and salinity, fluorescence
Routine standard measurementsQuantity: activity duration in days = 28
Description: Underway meteorology, PAR, surface temperature and salinity, fluorescence
Geology and geophysics 
Single-beam echosoundingQuantity: activity duration in days = 28
Description: Simrad EA500 echo-sounder data
Moorings, landers, buoys 
Physical oceanography 
Neutrally buoyant floats55° 0' 54" N  36° 0' 24" W — P-Alace float, type TD, day 304, depth 2428m
Neutrally buoyant floats60° 0' 0" N  36° 0' 36" W — P-Alace float, type CTD, day 301, stn 12995, depth 3066m
Neutrally buoyant floats59° 0' 59" N  30° 0' 24" W — P-Alace float, type CTD, day 301, stn 12996, depth 2975m
Neutrally buoyant floats54° 0' 5" N  33° 0' 22" W — P-Alace float, type TD, day 305, stn 13003, depth 2548m
Neutrally buoyant floats58° 0' 1" N  40° 0' 25" W — P-Alace float, type CTD, day 303, stn 13002, depth 3195m
Neutrally buoyant floats56° 0' 58" N  38° 0' 19" W — P-Alace float, type TD, day 304, depth 3278m
Neutrally buoyant floats59° 0' 58" N  40° 0' 30" W — P-Alace float, type CTD, day 302, stn 12998, depth 2297m
Data held at BODC Get data
Series/Profiles 
56  Bottle station
Reference numbers
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Quality control flags
[Show series]
Reference numbers
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Quality control flags
[Hide series]

BODC idDate/TimeLocationDoc.
18508511996-11-11 17:11 57° 0' 22" N  29° 52' 44" W  View metadata report for BODC series reference number 1850851
12624881996-10-27 16:57 59° 59' 45" N  38° 22' 11" W  View metadata report for BODC series reference number 1262488
12626241996-11-07 10:32 54° 34' 52" N  17° 12' 22" W  View metadata report for BODC series reference number 1262624
18506421996-10-26 16:15 58° 52' 33" N  33° 47' 34" W  View metadata report for BODC series reference number 1850642
12625931996-11-02 12:41 53° 59' 48" N  24° 34' 33" W  View metadata report for BODC series reference number 1262593
18507341996-10-29 16:53 58° 1' 55" N  40° 26' 20" W  View metadata report for BODC series reference number 1850734
18507711996-11-02 12:41 53° 59' 48" N  24° 34' 33" W  View metadata report for BODC series reference number 1850771
18507951996-11-05 09:49 53° 13' 23" N  15° 8' 42" W  View metadata report for BODC series reference number 1850795
18509181996-11-17 06:22 50° 46' 45" N  11° 28' 25" W  View metadata report for BODC series reference number 1850918
12626001996-11-03 12:36 53° 59' 37" N  20° 20' 15" W  View metadata report for BODC series reference number 1262600
12626481996-11-08 20:10 57° 0' 6" N  19° 59' 56" W  View metadata report for BODC series reference number 1262648
12626731996-11-11 17:11 57° 0' 22" N  29° 52' 44" W  View metadata report for BODC series reference number 1262673
12626971996-11-13 19:05 52° 59' 32" N  23° 18' 22" W  View metadata report for BODC series reference number 1262697
12627281996-11-16 09:30 50° 27' 40" N  15° 0' 2" W  View metadata report for BODC series reference number 1262728
18507101996-10-28 16:03 59° 59' 51" N  42° 5' 12" W  View metadata report for BODC series reference number 1850710
18508261996-11-08 20:10 57° 0' 6" N  19° 59' 56" W  View metadata report for BODC series reference number 1850826
18508991996-11-15 09:10 50° 3' 33" N  19° 35' 35" W  View metadata report for BODC series reference number 1850899
18509061996-11-16 09:30 50° 27' 40" N  15° 0' 2" W  View metadata report for BODC series reference number 1850906
18507091996-10-28 08:26 59° 58' 54" N  41° 19' 35" W  View metadata report for BODC series reference number 1850709
12625191996-10-28 03:19 59° 59' 33" N  40° 30' 27" W  View metadata report for BODC series reference number 1262519
12626121996-11-05 09:49 53° 13' 23" N  15° 8' 42" W  View metadata report for BODC series reference number 1262612
12627161996-11-15 09:10 50° 3' 33" N  19° 35' 35" W  View metadata report for BODC series reference number 1262716
18507461996-10-31 12:47 54° 5' 15" N  33° 24' 20" W  View metadata report for BODC series reference number 1850746
18507581996-11-01 11:43 53° 59' 3" N  29° 10' 40" W  View metadata report for BODC series reference number 1850758
18508141996-11-08 13:59 56° 54' 38" N  21° 11' 56" W  View metadata report for BODC series reference number 1850814
18508381996-11-09 18:21 56° 59' 53" N  24° 58' 33" W  View metadata report for BODC series reference number 1850838
18508751996-11-13 19:05 52° 59' 32" N  23° 18' 22" W  View metadata report for BODC series reference number 1850875
12625071996-10-27 21:55 60° 0' 18" N  39° 25' 35" W  View metadata report for BODC series reference number 1262507
12625321996-10-28 16:03 59° 59' 51" N  42° 5' 12" W  View metadata report for BODC series reference number 1262532
12625561996-10-29 16:53 58° 1' 55" N  40° 26' 20" W  View metadata report for BODC series reference number 1262556
18506301996-10-25 22:44 57° 38' 19" N  31° 9' 54" W  View metadata report for BODC series reference number 1850630
18508021996-11-07 10:32 54° 34' 52" N  17° 12' 22" W  View metadata report for BODC series reference number 1850802
12625441996-10-28 18:51 59° 59' 11" N  41° 46' 24" W  View metadata report for BODC series reference number 1262544
12625811996-11-01 11:43 53° 59' 3" N  29° 10' 40" W  View metadata report for BODC series reference number 1262581
12626361996-11-08 13:59 56° 54' 38" N  21° 11' 56" W  View metadata report for BODC series reference number 1262636
18506781996-10-27 21:55 60° 0' 18" N  39° 25' 35" W  View metadata report for BODC series reference number 1850678
18507831996-11-03 12:36 53° 59' 37" N  20° 20' 15" W  View metadata report for BODC series reference number 1850783
12625201996-10-28 08:26 59° 58' 54" N  41° 19' 35" W  View metadata report for BODC series reference number 1262520
12625681996-10-31 12:47 54° 5' 15" N  33° 24' 20" W  View metadata report for BODC series reference number 1262568
12626611996-11-09 18:21 56° 59' 53" N  24° 58' 33" W  View metadata report for BODC series reference number 1262661
12627041996-11-14 14:25 51° 31' 33" N  21° 24' 19" W  View metadata report for BODC series reference number 1262704
12627411996-11-17 06:22 50° 46' 45" N  11° 28' 25" W  View metadata report for BODC series reference number 1262741
18506171996-10-23 00:17 63° 0' 2" N  23° 23' 16" W  View metadata report for BODC series reference number 1850617
18506291996-10-24 02:41 60° 0' 4" N  25° 25' 57" W  View metadata report for BODC series reference number 1850629
18506541996-10-27 09:35 59° 59' 49" N  36° 35' 11" W  View metadata report for BODC series reference number 1850654
18508631996-11-12 14:02 55° 30' 30" N  27° 12' 53" W  View metadata report for BODC series reference number 1850863
18508871996-11-14 14:25 51° 31' 33" N  21° 24' 19" W  View metadata report for BODC series reference number 1850887
12624391996-10-23 00:17 63° 0' 2" N  23° 23' 16" W  View metadata report for BODC series reference number 1262439
12624401996-10-24 02:41 60° 0' 4" N  25° 25' 57" W  View metadata report for BODC series reference number 1262440
12624521996-10-25 22:44 57° 38' 19" N  31° 9' 54" W  View metadata report for BODC series reference number 1262452
12624641996-10-26 16:15 58° 52' 33" N  33° 47' 34" W  View metadata report for BODC series reference number 1262464
12624761996-10-27 09:35 59° 59' 49" N  36° 35' 11" W  View metadata report for BODC series reference number 1262476
12626851996-11-12 14:02 55° 30' 30" N  27° 12' 53" W  View metadata report for BODC series reference number 1262685
18506661996-10-27 16:57 59° 59' 45" N  38° 22' 11" W  View metadata report for BODC series reference number 1850666
18506911996-10-28 03:19 59° 59' 33" N  40° 30' 27" W  View metadata report for BODC series reference number 1850691
18507221996-10-28 18:51 59° 59' 11" N  41° 46' 24" W  View metadata report for BODC series reference number 1850722
28  CTD/STD cast
Salinity of the water column
Temperature of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Density of the water column
Chlorophyll pigment concentrations in water bodies
[Show series]
Salinity of the water column
Temperature of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Density of the water column
Chlorophyll pigment concentrations in water bodies
[Hide series]

BODC idDate/TimeLocationDoc.
10151621996-10-26 15:11 58° 52' 32" N  33° 47' 34" W  View metadata report for BODC series reference number 1015162
10152051996-10-28 02:22 59° 59' 32" N  40° 30' 27" W  View metadata report for BODC series reference number 1015205
10152421996-10-29 15:43 58° 1' 55" N  40° 26' 20" W  View metadata report for BODC series reference number 1015242
10151491996-10-24 01:40 60° 0' 4" N  25° 25' 57" W  View metadata report for BODC series reference number 1015149
10151501996-10-25 21:47 57° 38' 19" N  31° 9' 54" W  View metadata report for BODC series reference number 1015150
10153461996-11-09 17:19 56° 59' 53" N  24° 58' 33" W  View metadata report for BODC series reference number 1015346
10152661996-11-01 10:18 53° 59' 3" N  29° 10' 40" W  View metadata report for BODC series reference number 1015266
10153101996-11-07 09:43 54° 34' 52" N  17° 12' 22" W  View metadata report for BODC series reference number 1015310
10153581996-11-11 16:14 57° 0' 22" N  29° 52' 44" W  View metadata report for BODC series reference number 1015358
10152911996-11-03 11:16 53° 59' 37" N  20° 20' 15" W  View metadata report for BODC series reference number 1015291
10153091996-11-05 08:41 53° 13' 23" N  15° 8' 41" W  View metadata report for BODC series reference number 1015309
10153711996-11-12 12:55 55° 30' 29" N  27° 12' 53" W  View metadata report for BODC series reference number 1015371
10153951996-11-14 13:28 51° 31' 32" N  21° 24' 19" W  View metadata report for BODC series reference number 1015395
10152291996-10-28 15:34 59° 59' 51" N  42° 5' 12" W  View metadata report for BODC series reference number 1015229
10152301996-10-28 18:04 59° 59' 12" N  41° 46' 25" W  View metadata report for BODC series reference number 1015230
10153221996-11-08 13:12 56° 54' 37" N  21° 11' 56" W  View metadata report for BODC series reference number 1015322
10151741996-10-27 08:25 59° 59' 49" N  36° 35' 12" W  View metadata report for BODC series reference number 1015174
10151981996-10-27 20:57 60° 0' 18" N  39° 25' 35" W  View metadata report for BODC series reference number 1015198
10152541996-10-31 11:41 54° 5' 15" N  33° 24' 20" W  View metadata report for BODC series reference number 1015254
10151371996-10-22 23:45 63° 0' 2" N  23° 23' 16" W  View metadata report for BODC series reference number 1015137
10152171996-10-28 07:40 59° 58' 54" N  41° 19' 35" W  View metadata report for BODC series reference number 1015217
10153831996-11-13 17:47 52° 59' 32" N  23° 18' 22" W  View metadata report for BODC series reference number 1015383
10154021996-11-15 07:44 50° 3' 33" N  19° 35' 35" W  View metadata report for BODC series reference number 1015402
10154141996-11-16 08:05 50° 27' 40" N  15° 0' 2" W  View metadata report for BODC series reference number 1015414
10151861996-10-27 15:50 59° 59' 45" N  38° 22' 11" W  View metadata report for BODC series reference number 1015186
10152781996-11-02 11:09 53° 59' 48" N  24° 34' 33" W  View metadata report for BODC series reference number 1015278
10153341996-11-08 19:47 57° 0' 6" N  19° 59' 56" W  View metadata report for BODC series reference number 1015334
10154261996-11-17 05:45 50° 46' 45" N  11° 28' 25" W  View metadata report for BODC series reference number 1015426
1  Pumped water sample
Horizontal spatial co-ordinates
Date and time
Phosphate concentration parameters in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
[Show series]
Horizontal spatial co-ordinates
Date and time
Phosphate concentration parameters in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
[Hide series]

BODC idDate/TimeLocationDoc.
13604101996-10-22 17:35  — 1996-11-17 10:32 50° 2' 36" N  42° 34' 25" W — 64° 1' 58" N  9° 38' 17" W  View metadata report for BODC series reference number 1360410
Discrete samples 
28  CTD frame plus rosette samplerPhosphate concentration parameters in the water column
Salinity of the water column
Temperature of the water column
Dissolved oxygen parameters in the water column
Silicate concentration parameters in the water column
Density of the water column
Phaeopigment concentrations in the water column
Nitrate concentration parameters in the water column
Chlorophyll pigment concentrations in water bodies
28  Lowered Acoustic Doppler Current Profiler
1361  Sample taken from ship's non-toxic supplyPhosphate concentration parameters in the water column
Salinity of the water column
Silicate concentration parameters in the water column
Phaeopigment concentrations in the water column
Nitrate concentration parameters in the water column
Chlorophyll pigment concentrations in water bodies
1704  SeaSoar profile from gridded dataSalinity of the water column
Temperature of the water column
Visible waveband radiance and irradiance measurements in the water column
Chlorophyll pigment concentrations in water bodies

 

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