BODC Cruise Metadata Report for RRS James Clark Ross (74JC) cruise JR20141231 (JR307, JR308)
Introduction
This report collates information from the BODC cruise inventory and oceanographic databases. It presents
- Cruise Inventory Information
- A summary of BODC data holdings for the cruise from the
- References - including cruise tracks and cruise reports
Cruise Inventory Information
| Long name | RRS James Clark Ross (74JC) cruise JR20141231 (JR307, JR308) |
|---|---|
| Short name | JR20141231 (JR307, JR308) |
| Objectives and Narrative |
JR307: Tracing deep waters and nutrient dynamics across the WAP shelf
Cruise JR307 was a key part of the three year field component of NERC Fellowship NE/K010034/1: Isotopic characterisation of nutrient dynamics and deep water behaviour in the west Antarctic Peninsula sea ice environment. Within this broad project, the specific objective of this cruise was to trace the circumpolar deep water (CDW) nutrient source from the shelf break to the coast, and examine its modification across the shelf and delivery to productive shelf ecosystems. We also aimed to examine spatial variability in nutrient supply, uptake and primary production along a transect across the shelf to the coast, thus providing a spatial context to ongoing time-series work at Rothera to examine the biogeochemical response to physical climate change at the Antarctic Peninsula. Cruise JR307 also provided a collaborative opportunity to examine the CDW supply of CO2 and spatial variability in DMS production by phytoplankton. We conducted full-depth water column sampling at eleven stations along a transect from the shelf break to the long-term monitoring station of the Rothera Time Series (RaTS) in Ryder Bay. Stations were chosen to follow the deepest bathymetry (500 - 1000m depth) thought to act as a conduit for CDW across the WAP shelf. At each station full-depth physical oceanographic parameters were measured using the ship's CTD system and water samples were taken throughout the water column using the ship's 24 bottle Niskin rosette. Samples were taken for analysis of macronutrient concentrations, stable isotope composition of nitrate, concentration and isotope composition of particulate organic carbon and nitrogen, and RNA sequencing of organic matter. Samples were also taken for dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, dimethyl sulphide (DMS) concentrations and associated parameters. Samples were filtered or fixed with preservative, for subsequent analysis at Rothera or on return to the UK or The Netherlands. JR308: Benthic Biology of the Cold Hole The aim of this cruise was driven by the objectives of EvolHist, a core project at BAS studying biodiversity, biogeography, phylogeography and evolution in marine Antarctic fauna. Working in partnership with Polar Oceans, we had a four day scientific cruise on RRS James Clark Ross to investigate the benthic biodiversity and oceanography of a basin with temperatures 1.1 oC colder than the surrounding regions at the same depths recently discovered by the Polar Oceans glider team (Venables, Anker, Meredith) at ~67o45 S, 69o01W. The cruise investigated the effect of temperature on the faunal composition of Antarctic shelf benthos at a local scale, something that is only possible at this location due to this oceanographic anomaly. The main objective of the biological component of this cruise was to collect marine invertebrates from transects inside the cold basin, in the shallower region surrounding the basin and in other (warmer) neighbouring areas at the same depth as the basin for comparison. Using CTDs, video transects, and benthic trawls to collect animals for identification and population genetic analyses. We sampled two transects in each location at depths of between 200 m and 500 m including replicate Aggasiz trawls (AGT), epibenthic sledge (EBS) with video (shallow underwater video)(BAS's SUCS) and CTDs. On board, the AGT samples were sorted to phylum and class level before fixation while the EBS samples were initially fixed and will then be sorted on return to BAS Cambridge. Before the trawling took place, a swath survey was carried out to select seafloor areas suitable for benthic trawling. |
| Ship | RRS James Clark Ross |
| Departure Port | Rothera, Antarctica |
| Departure Date | 2014-12-31 |
| Arrival Port | Rothera, Antarctica |
| Arrival Date | 2015-01-07 |
| Principal Scientist(s) | Peter Enderlein (British Antarctic Survey), Sian Frances Henley (University of Edinburgh School of GeoSciences) |
| Responsible Organisation | British Antarctic Survey |
| Associated Project(s) | |
| IHB Sea Areas Visited | Southern Ocean |
| Marsden Squares Visited | 521/522/523 |
| Work Area Description | West Antarctic Peninsula shelf |
| Unable to lookup cruise bounds at this time | |
| Work Area Bounding Polygon | |
| Southern Limit | unknown |
| Northern Limit | unknown |
| Western Limit | unknown |
| Eastern Limit | unknown |
Cruise Inventory Datasets
| Physical oceanography | |
|---|---|
| CTD stations |
Quantity:
number of stations =
11
Description: Conductivity, temperature, fluorescence and dissolved oxygen from the JCR's CTD package, measured on 11 vertical profiles. |
| CTD stations |
Quantity:
number of stations =
11
Description: Conductivity, temperature, fluorescence and dissolved oxygen from the JCR's CTD |
| Water bottle stations |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Chemical oceanography | |
| Alkalinity |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Isotopes |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Nitrate |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Nitrite |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Other chemical oceanographic measurements |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Other dissolved gases |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Phosphate |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Silicate |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Biology and fisheries | |
| Particulate organic matter (inc POC, PON) |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Phytoplankton pigs (eg chlorophyll, fluorescence) |
Quantity:
number of stations =
11
Description: Discreet seawater samples collected for analysis of biogeochemical and biological parameters using the JCR's stainless steel 24-bottle Niskin rosette. A vertical profile was sampled at each of the 11 stations. Seawater samples were taken for later analysis of macronutrient concentrations, isotopic composition of nitrate, concentration and isotopic composition of POC and PN, RNA sequencing, dissolved inorganic carbon system parameters, oxygen isotope composition of seawater, DMS and DMSP concentrations, and HPLC pigment analysis. |
| Zoobenthos |
Quantity:
number of stations =
19
Description: Shallow Water Camera system deployments |
| Zoobenthos |
Quantity:
number of stations =
11
Description: Agassiz Trawls of benthic invertebrates |
| Zoobenthos |
Quantity:
number of stations =
5
Description: |
Cruise Inventory Mooring/Buoy Operations
No information on datasets is currently available
Summary of BODC Data Holdings for the Cruise
National Oceanographic Database
Summary
| # Series | Instrument Description | Parameters |
|---|---|---|
| 1 | Bathythermograph (MBT/XBT) |
Reference numbers Sound velocity and travel time in the water column Temperature of the water column Vertical spatial coordinates |
| 22 | Bottle station |
Quality control flags Reference numbers Stable isotopes in water bodies Vertical spatial coordinates |
| 11 | Bottle station |
Nitrate concentration parameters in the water column Nitrite concentration parameters in the water column Phosphate concentration parameters in the water column Quality control flags Reference numbers Silicate concentration parameters in the water column Vertical spatial coordinates |
| 11 | Bottle station |
Alkalinity, acidity and pH of the water column Quality control flags Reference numbers Total dissolved inorganic carbon (TCO2) concentration in the water column Vertical spatial coordinates |
Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)
Full List
| BODC Reference | Instrument Description | Date/Time | Location | |
|---|---|---|---|---|
| 1801882 | Bathythermograph (MBT/XBT) | 2014-12-26 12:12Z | 66° 35' S, 68° 19' W | Click for more |
| 1978382 | Bottle station | 2015-01-01 00:00Z | 67° 49' S, 68° 34' W | Click for more |
| 1978394 | Bottle station | 2015-01-02 08:38Z | 67° 48' S, 68° 10' W | Click for more |
| 1978401 | Bottle station | 2015-01-04 07:46Z | 66° 56' S, 70° 21' W | Click for more |
| 1978413 | Bottle station | 2015-01-04 12:28Z | 66° 29' S, 71° 15' W | Click for more |
| 1978425 | Bottle station | 2015-01-05 07:04Z | 67° 27' S, 70° 34' W | Click for more |
| 1978437 | Bottle station | 2015-01-05 20:41Z | 67° 59' S, 69° 39' W | Click for more |
| 1978449 | Bottle station | 2015-01-06 00:32Z | 67° 56' S, 70° 18' W | Click for more |
| 1978450 | Bottle station | 2015-01-06 10:06Z | 68° 10' S, 69° 40' W | Click for more |
| 1978462 | Bottle station | 2015-01-06 15:04Z | 68° 14' S, 68° 34' W | Click for more |
| 1978474 | Bottle station | 2015-01-06 21:02Z | 67° 56' S, 68° 29' W | Click for more |
| 1978486 | Bottle station | 2015-01-07 11:04Z | 67° 34' S, 68° 13' W | Click for more |
| 1978498 | Bottle station | 2015-01-01 00:00Z | 67° 49' S, 68° 34' W | Click for more |
| 1978505 | Bottle station | 2015-01-02 08:38Z | 67° 48' S, 68° 10' W | Click for more |
| 1978517 | Bottle station | 2015-01-04 07:46Z | 66° 56' S, 70° 21' W | Click for more |
| 1978529 | Bottle station | 2015-01-04 12:28Z | 66° 29' S, 71° 15' W | Click for more |
| 1978530 | Bottle station | 2015-01-05 07:04Z | 67° 27' S, 70° 34' W | Click for more |
| 1978542 | Bottle station | 2015-01-05 20:41Z | 67° 59' S, 69° 39' W | Click for more |
| 1978554 | Bottle station | 2015-01-06 00:32Z | 67° 56' S, 70° 18' W | Click for more |
| 1978566 | Bottle station | 2015-01-06 10:06Z | 68° 10' S, 69° 40' W | Click for more |
| 1978578 | Bottle station | 2015-01-06 15:04Z | 68° 14' S, 68° 34' W | Click for more |
| 1978591 | Bottle station | 2015-01-06 21:02Z | 67° 56' S, 68° 29' W | Click for more |
| 1978609 | Bottle station | 2015-01-07 11:04Z | 67° 34' S, 68° 13' W | Click for more |
| 1978610 | Bottle station | 2015-01-01 00:00Z | 67° 49' S, 68° 34' W | Click for more |
| 1978622 | Bottle station | 2015-01-02 08:38Z | 67° 48' S, 68° 10' W | Click for more |
| 1978634 | Bottle station | 2015-01-04 07:46Z | 66° 56' S, 70° 21' W | Click for more |
| 1978646 | Bottle station | 2015-01-04 12:28Z | 66° 29' S, 71° 15' W | Click for more |
| 1978658 | Bottle station | 2015-01-05 07:04Z | 67° 27' S, 70° 34' W | Click for more |
| 1978671 | Bottle station | 2015-01-05 20:41Z | 67° 59' S, 69° 39' W | Click for more |
| 1978683 | Bottle station | 2015-01-06 00:32Z | 67° 56' S, 70° 18' W | Click for more |
| 1978695 | Bottle station | 2015-01-06 10:06Z | 68° 10' S, 69° 40' W | Click for more |
| 1978702 | Bottle station | 2015-01-06 15:04Z | 68° 14' S, 68° 34' W | Click for more |
| 1978714 | Bottle station | 2015-01-06 21:02Z | 67° 56' S, 68° 29' W | Click for more |
| 1978726 | Bottle station | 2015-01-07 11:04Z | 67° 34' S, 68° 13' W | Click for more |
| 1978738 | Bottle station | 2015-01-01 00:00Z | 67° 49' S, 68° 34' W | Click for more |
| 1978751 | Bottle station | 2015-01-02 08:38Z | 67° 48' S, 68° 10' W | Click for more |
| 1978763 | Bottle station | 2015-01-04 07:46Z | 66° 56' S, 70° 21' W | Click for more |
| 1978775 | Bottle station | 2015-01-04 12:28Z | 66° 29' S, 71° 15' W | Click for more |
| 1978787 | Bottle station | 2015-01-05 07:04Z | 67° 27' S, 70° 34' W | Click for more |
| 1978799 | Bottle station | 2015-01-05 20:41Z | 67° 59' S, 69° 39' W | Click for more |
| 1978806 | Bottle station | 2015-01-06 00:32Z | 67° 56' S, 70° 18' W | Click for more |
| 1978818 | Bottle station | 2015-01-06 10:06Z | 68° 10' S, 69° 40' W | Click for more |
| 1978831 | Bottle station | 2015-01-06 15:04Z | 68° 14' S, 68° 34' W | Click for more |
| 1978843 | Bottle station | 2015-01-06 21:02Z | 67° 56' S, 68° 29' W | Click for more |
| 1978855 | Bottle station | 2015-01-07 11:04Z | 67° 34' S, 68° 13' W | Click for more |
Project Database
No data currently held for this cruise in the BODC Project Database
