Resources

RRS James Clark Ross JR20090310 (JR200, JR200A, JR208)

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS James Clark Ross (74JC)
Cruise identifierJR20090310 (JR200, JR200A, JR208)
Cruise period2009-03-10 — 2009-04-17
StatusCompleted
Port of departureStanley, Falkland Islands (Malvinas)
Port of returnStanley, Falkland Islands (Malvinas)
PurposeResearch
ObjectivesJR200 was the third of 3 cruises to the Scotia Sea region of the Southern Ocean, providing an autumn perspective to the fieldwork campaign of the DISCOVERY 2010 programme. Previous cruises include JR161 (spring) and JR177 (summer). The three cruises were designed to follow a similar cruise track (to allow inter cruise comparisons) and to sample across the range of environments that typify the Southern Ocean: the ice edge, shelf-seas, open-ocean, HNLC conditions, iron-enriched conditions and frontal areas. Through 2 BAS core science projects and a number of collaborations, we aimed to characterise ecosystem processes, from the impact of micro- and macronutrient availability on primary productivity, through to primary (zooplankton) and secondary (nekton) consumer processes and up to higher predator studies on abundance, distribution and diet.

The FLEXICON (Flexibility and Constraints in Life Histories) project consisted largely of a depth-discrete sampling programme to consider the distribution of different life-cycle stages and body states of key zooplankton species. Acoustic data supplemented these studies as well as providing detailed information on krill and fish swarm structures.
The FOODWEBS (Scotia Sea Food-webs) project took a number of complimentary approaches to consider linkages between different trophic levels, including micro- and macronutrient availability, phytoplankton studies, gut content examinations, stable-isotope analyses, higher-predator tracking studies. In addition, sediment traps deployed near to South Georgia will also provide key insights into carbon flux to the deep ocean.

In addition to the core DISCOVERY 2010 work, supplementary projects were supported on the cruise. The Dipycnal and Isopycnal Mixing Experiment in the Scotia Sea (DIMES) programme, of the Physical Sciences Division, had a remit to obtain greater resolution in physical oceanographic parameters across the Scotia Sea. Integration of DIMES into the cruise track increased the frequency of full-depth CTDs between core-sampling stations. The Antarctic Funding Initiative, Collaborative Gearing Scheme (AFI-CGS) project "Diseases of krill in the southern ocean: effects on standing stock and implications of changing climates", took advantage of our regular catches of live krill. Preserved samples will be examined in the UK at CEFAS and a pathogen profile generated. The AFI-CGS project "Iron availability and effects on phytoplankton communities in contrasting production regimes of the Scotia Sea: a seasonal perspective" contributed directly to the aims of FOODWEBS. Measurements of iron concentration were made throughout the cruise, and bioassays carried out, to examine the controlling influence of this micro-nutrient on primary productivity. This cruise also hosted three independently funded collaborators (Jose Xavier, Yves Cherel and Anton van de Putte) to assist in the fishing work throughout the cruise and in particular at the Polar Front.
Chief scientistRebecca Korb (British Antarctic Survey)
ProjectDISCOVERY2010
Cruise reportRRS James Clark Ross JR20090310 (JR200, JR200A, JR208) cruise report jr200.pdf (5.89 MB) 
Ocean/sea areas 
GeneralSouth West Atlantic Ocean (limit 20W)
SpecificScotia Sea
Track chartsRRS James Clark Ross JR20090310 (JR200, JR200A, JR208) cruise track — jr200trk.pdf (0.11 MB) 
Data held at BODC Get data
Series/Profiles 
22  Bathythermograph (MBT/XBT)
Reference numbers
Sound velocity and travel time in the water column
Vertical spatial coordinates
Temperature of the water column
Reference numbers
Sound velocity and travel time in the water column
Vertical spatial coordinates
Temperature of the water column

BODC idDate/TimeLocationDoc.
18071102009-04-09 17:13:55 50° 30' 14" S  33° 47' 57" W  View metadata report for BODC series reference number 1807110
18071952009-04-09 20:57:12 49° 56' 19" S  34° 12' 16" W  View metadata report for BODC series reference number 1807195
18069912009-04-08 20:32:52 52° 58' 58" S  37° 26' 7" W  View metadata report for BODC series reference number 1806991
18070542009-04-09 09:15:15 51° 27' 40" S  35° 18' 55" W  View metadata report for BODC series reference number 1807054
18070662009-04-09 11:28:26 51° 12' 31" S  34° 52' 5" W  View metadata report for BODC series reference number 1807066
18071342009-04-09 18:14:53 50° 19' 14" S  33° 53' 3" W  View metadata report for BODC series reference number 1807134
18071582009-04-09 19:14:17 50° 9' 37" S  33° 58' 42" W  View metadata report for BODC series reference number 1807158
18072142009-04-09 22:07:15 49° 47' 36" S  34° 25' 16" W  View metadata report for BODC series reference number 1807214
18069782009-03-29 13:40:23 56° 46' 45" S  42° 13' 13" W  View metadata report for BODC series reference number 1806978
18070292009-04-09 03:15:55 52° 12' 28" S  36° 20' 47" W  View metadata report for BODC series reference number 1807029
18070422009-04-09 07:06:27 51° 43' 34" S  35° 41' 18" W  View metadata report for BODC series reference number 1807042
18071092009-04-09 16:45:25 50° 35' 35" S  33° 47' 55" W  View metadata report for BODC series reference number 1807109
18070052009-04-08 22:32:03 52° 43' 46" S  37° 3' 23" W  View metadata report for BODC series reference number 1807005
18071462009-04-09 18:43:43 50° 14' 17" S  33° 56' 1" W  View metadata report for BODC series reference number 1807146
18071832009-04-09 20:31:44 49° 59' 35" S  34° 7' 33" W  View metadata report for BODC series reference number 1807183
18070172009-04-09 01:16:07 52° 28' 5" S  36° 41' 9" W  View metadata report for BODC series reference number 1807017
18070912009-04-09 15:08:58 50° 47' 24" S  34° 7' 16" W  View metadata report for BODC series reference number 1807091
18071222009-04-09 17:43:50 50° 24' 55" S  33° 50' 4" W  View metadata report for BODC series reference number 1807122
18071712009-04-09 19:58:11 50° 4' 1" S  34° 1' 29" W  View metadata report for BODC series reference number 1807171
18070302009-04-09 05:13:57 51° 57' 49" S  36° 0' 44" W  View metadata report for BODC series reference number 1807030
18070782009-04-09 13:12:18 51° 0' 48" S  34° 31' 8" W  View metadata report for BODC series reference number 1807078
18072022009-04-09 21:29:08 49° 52' 21" S  34° 18' 6" W  View metadata report for BODC series reference number 1807202
19  Bottle station
Reference numbers
Vertical spatial coordinates
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Quality control flags
Reference numbers
Vertical spatial coordinates
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Quality control flags

BODC idDate/TimeLocationDoc.
13329432009-03-25 12:14 57° 35' 7" S  42° 42' 8" W  View metadata report for BODC series reference number 1332943
13329922009-04-02 12:11 53° 21' 4" S  40° 22' 27" W  View metadata report for BODC series reference number 1332992
13329182009-03-22 16:25 58° 41' 39" S  43° 24' 15" W  View metadata report for BODC series reference number 1332918
13328512009-03-13 12:36 57° 41' 30" S  50° 25' 47" W  View metadata report for BODC series reference number 1332851
13328632009-03-16 09:29 60° 29' 54" S  48° 11' 30" W  View metadata report for BODC series reference number 1332863
13330062009-04-03 08:15 52° 48' 28" S  40° 6' 52" W  View metadata report for BODC series reference number 1333006
13330182009-04-06 12:08 52° 51' 2" S  37° 5' 48" W  View metadata report for BODC series reference number 1333018
13329312009-03-24 10:11 58° 1' 51" S  42° 58' 16" W  View metadata report for BODC series reference number 1332931
13328992009-03-21 08:52 59° 41' 19" S  44° 3' 17" W  View metadata report for BODC series reference number 1332899
13329552009-03-28 17:43 56° 23' 16" S  42° 0' 4" W  View metadata report for BODC series reference number 1332955
13329672009-03-29 15:34 55° 38' 4" S  41° 34' 15" W  View metadata report for BODC series reference number 1332967
13329792009-03-31 09:28 55° 15' 31" S  41° 21' 27" W  View metadata report for BODC series reference number 1332979
13329802009-04-02 07:03 53° 53' 51" S  40° 38' 39" W  View metadata report for BODC series reference number 1332980
13330312009-04-09 18:49 49° 56' 8" S  34° 12' 28" W  View metadata report for BODC series reference number 1333031
13328752009-03-17 14:54 60° 25' 52" S  44° 35' 35" W  View metadata report for BODC series reference number 1332875
13328872009-03-18 09:59 60° 12' 30" S  44° 24' 30" W  View metadata report for BODC series reference number 1332887
13329062009-03-22 11:06 59° 1' 31" S  43° 37' 15" W  View metadata report for BODC series reference number 1332906
13330432009-04-10 16:46 50° 25' 14" S  33° 52' 47" W  View metadata report for BODC series reference number 1333043
13330552009-04-11 08:03 50° 35' 59" S  33° 48' 6" W  View metadata report for BODC series reference number 1333055
49  CTD/STD cast
Reference numbers
Transmittance and attenuance of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Salinity of the water column
Temperature of the water column
Visible waveband radiance and irradiance measurements in the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies
Reference numbers
Transmittance and attenuance of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Salinity of the water column
Temperature of the water column
Visible waveband radiance and irradiance measurements in the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies

BODC idDate/TimeLocationDoc.
9741132009-03-16 10:35:28 60° 25' 52" S  44° 35' 35" W  View metadata report for BODC series reference number 974113
9741622009-03-21 07:25:33 59° 41' 19" S  44° 3' 17" W  View metadata report for BODC series reference number 974162
9741862009-03-21 23:14:04 59° 41' 19" S  44° 3' 14" W  View metadata report for BODC series reference number 974186
9742662009-03-24 07:22:42 57° 35' 7" S  42° 42' 8" W  View metadata report for BODC series reference number 974266
9742782009-03-25 16:22:45 57° 8' 23" S  42° 26' 1" W  View metadata report for BODC series reference number 974278
9742912009-03-25 23:40:53 56° 45' 48" S  42° 13' 16" W  View metadata report for BODC series reference number 974291
9743102009-03-25 19:20:37 56° 44' 23" S  42° 23' 25" W  View metadata report for BODC series reference number 974310
9744382009-04-02 04:52:22 53° 53' 48" S  40° 38' 38" W  View metadata report for BODC series reference number 974438
9744512009-04-02 06:52:09 53° 53' 51" S  40° 38' 39" W  View metadata report for BODC series reference number 974451
9741012009-03-15 06:59:19 60° 29' 54" S  48° 11' 31" W  View metadata report for BODC series reference number 974101
9742542009-03-23 18:47:30 58° 1' 48" S  42° 58' 15" W  View metadata report for BODC series reference number 974254
9743582009-03-28 10:31:35 55° 38' 4" S  41° 34' 15" W  View metadata report for BODC series reference number 974358
9744872009-04-02 22:42:25 52° 48' 30" S  40° 6' 52" W  View metadata report for BODC series reference number 974487
9740692009-03-13 13:24:22 57° 41' 39" S  50° 25' 30" W  View metadata report for BODC series reference number 974069
9740702009-03-13 15:18:04 60° 29' 57" S  48° 11' 39" W  View metadata report for BODC series reference number 974070
9743462009-03-27 12:33:24 56° 23' 16" S  42° 0' 4" W  View metadata report for BODC series reference number 974346
9743832009-03-29 23:25:37 55° 15' 32" S  41° 21' 29" W  View metadata report for BODC series reference number 974383
9744022009-04-01 01:53:44 54° 54' 42" S  41° 10' 26" W  View metadata report for BODC series reference number 974402
9744262009-04-02 00:44:48 54° 13' 10" S  40° 48' 47" W  View metadata report for BODC series reference number 974426
9744632009-04-02 12:02:37 53° 21' 4" S  40° 22' 27" W  View metadata report for BODC series reference number 974463
9745792009-04-11 07:23:40 50° 35' 59" S  33° 48' 6" W  View metadata report for BODC series reference number 974579
9745312009-04-08 14:34:58 49° 56' 8" S  34° 12' 28" W  View metadata report for BODC series reference number 974531
9745432009-04-08 16:56:52 50° 3' 47" S  34° 1' 43" W  View metadata report for BODC series reference number 974543
9742422009-03-23 15:11:53 58° 1' 48" S  42° 58' 15" W  View metadata report for BODC series reference number 974242
9743952009-03-30 04:15:59 55° 15' 31" S  41° 21' 27" W  View metadata report for BODC series reference number 974395
9744752009-04-01 17:08:06 52° 48' 30" S  40° 6' 55" W  View metadata report for BODC series reference number 974475
9745552009-04-10 14:31:58 50° 14' 33" S  33° 57' 9" W  View metadata report for BODC series reference number 974555
9740942009-03-16 08:50:43 60° 29' 54" S  48° 11' 30" W  View metadata report for BODC series reference number 974094
9741492009-03-18 07:34:09 60° 12' 30" S  44° 24' 30" W  View metadata report for BODC series reference number 974149
9741502009-03-19 18:37:57 59° 56' 5" S  44° 14' 12" W  View metadata report for BODC series reference number 974150
9741742009-03-20 17:37:18 59° 41' 19" S  44° 3' 14" W  View metadata report for BODC series reference number 974174
9743222009-03-25 21:05:46 56° 47' 47" S  42° 11' 8" W  View metadata report for BODC series reference number 974322
9744142009-03-31 14:50:11 54° 35' 22" S  40° 59' 45" W  View metadata report for BODC series reference number 974414
9745182009-04-05 11:38:27 52° 51' 2" S  37° 5' 48" W  View metadata report for BODC series reference number 974518
9745672009-04-10 16:30:35 50° 25' 14" S  33° 52' 47" W  View metadata report for BODC series reference number 974567
9741372009-03-17 22:07:15 60° 12' 30" S  44° 24' 28" W  View metadata report for BODC series reference number 974137
9742292009-03-22 19:46:03 58° 21' 43" S  43° 11' 20" W  View metadata report for BODC series reference number 974229
9741982009-03-22 05:18:04 59° 21' 21" S  43° 50' 11" W  View metadata report for BODC series reference number 974198
9742052009-03-21 06:09:59 59° 1' 31" S  43° 37' 15" W  View metadata report for BODC series reference number 974205
9742172009-03-21 11:34:16 58° 41' 39" S  43° 24' 15" W  View metadata report for BODC series reference number 974217
9742302009-03-23 05:20:14 58° 1' 51" S  42° 58' 16" W  View metadata report for BODC series reference number 974230
9743092009-03-26 08:14:04 56° 45' 48" S  42° 13' 3" W  View metadata report for BODC series reference number 974309
9743342009-03-26 15:52:26 56° 45' 48" S  42° 13' 6" W  View metadata report for BODC series reference number 974334
9743712009-03-28 17:42:28 55° 15' 32" S  41° 21' 29" W  View metadata report for BODC series reference number 974371
9744992009-04-03 06:57:19 52° 48' 28" S  40° 6' 51" W  View metadata report for BODC series reference number 974499
9745062009-04-06 11:18:03 52° 51' 2" S  37° 5' 48" W  View metadata report for BODC series reference number 974506
9741252009-03-17 20:23:24 60° 12' 30" S  44° 24' 29" W  View metadata report for BODC series reference number 974125
9740572009-03-13 12:24:10 57° 41' 30" S  50° 25' 47" W  View metadata report for BODC series reference number 974057
9740822009-03-13 16:44:41 60° 29' 55" S  48° 11' 35" W  View metadata report for BODC series reference number 974082
1  Meteorological data logger
Horizontal spatial co-ordinates
Air pressure
Visible waveband radiance and irradiance measurements in the atmosphere
Date and time
Air temperature
Wind strength and direction
Solar Radiation
Atmospheric humidity
Horizontal spatial co-ordinates
Air pressure
Visible waveband radiance and irradiance measurements in the atmosphere
Date and time
Air temperature
Wind strength and direction
Solar Radiation
Atmospheric humidity

BODC idDate/TimeLocationDoc.
19050242009-03-10 20:03:28  — 2009-04-17 18:15:28 60° 41' 47" S  57° 49' 46" W — 49° 46' 46" S  33° 22' 53" W  View metadata report for BODC series reference number 1905024
1  Multiple instrument types
Horizontal spatial co-ordinates
Date and time
Salinity of the water column
Electrical conductivity of the water column
Metadata parameters
Chlorophyll pigment concentrations in water bodies
Horizontal spatial co-ordinates
Date and time
Salinity of the water column
Electrical conductivity of the water column
Metadata parameters
Chlorophyll pigment concentrations in water bodies

BODC idDate/TimeLocationDoc.
19050362009-03-10 20:03:28  — 2009-04-17 18:15:28 60° 41' 47" S  57° 49' 46" W — 49° 46' 46" S  33° 22' 53" W  View metadata report for BODC series reference number 1905036
1  Single-beam echosounder
Horizontal spatial co-ordinates
Date and time
Platform or instrument orientation
Horizontal platform movement
Bathymetry and Elevation
Horizontal spatial co-ordinates
Date and time
Platform or instrument orientation
Horizontal platform movement
Bathymetry and Elevation

BODC idDate/TimeLocationDoc.
19050122009-03-10 20:03:28  — 2009-04-17 18:15:28 60° 41' 47" S  57° 49' 46" W — 49° 46' 46" S  33° 22' 53" W  View metadata report for BODC series reference number 1905012
Discrete samples 
50  CTD frame plus rosette samplerSilicate concentration parameters in the water column
Nitrate concentration parameters in the water column
23  Expendable Bathythermograph
2  Water bottle hydrocast