BODC Cruise Metadata Report for RRS James Cook (740H) cruise JC231
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 Cook (740H) cruise JC231 |
|---|---|
| Short name | JC231 |
| Objectives and Narrative |
The aim of the RRS James Cook cruise (JC231) was to service moorings at the Porcupine Abyssal Plain Sustained Observatory (PAP-SO) and in the Whittard Canyon. This cruise, including both the operations at the Porcupine Abyssal Plain Sustained Observatory and within the Whittard Canyon forms part of the UK Natural Environment Research Council's Climate Linked Atlantic Sector Science CLASS project (https://projects.noc.ac.uk/class-project/sustained-ocean-observations) that is managed by the National Oceanography Centre (NOC).
The specific objectives of JC231 were: Whittard Canyon (Irish EEZ): 1) Recovery of Whittard Canyon mooring (sediment trap, ADCPs and CTDs) 2) CTD for testing release for new mooring 3) Deployment of replacement sediment trap mooring in the Whittard Canyon PAP-SO (High Seas): 4) Recovery of sediment trap mooring at PAP-SO 5) Recovery of Met Office/NOC mooring with surface buoy 6) Deployment of sediment trap and sensors at PAP-SO 7) Deployment of Met Office buoy with surface ocean biogeochemistry sensors at PAP-SO 8) Deployment (and recovery) of Met Office BGC Argo float 9) Photography of the upper water column using multiple imaging systems 10) Marine snow catcher deployments 11) Megacore, gravity core, and box core sampling of the seabed 12) Otter trawls 13) WP2 zooplankton nets 14) Other associated CTDs at PAP-SO 15) Underway sampling of the surface seawater The oceanic water column and the underlying seabed change on a variety of temporal and spatial scales. The PAP observatory is in international waters and is the primary objective of the cruise under CLASS (Climate Linked Atlantic Sector) national funding. Also, under CLASS there is a sediment trap mooring in the Whittard canyon. We started our work at Whittard canyon - retrieving and deploying a mooring there. The objective of the PAP observatory is to provide high temporal resolution (hours) data on an increasing number of variables which are relevant from the perspective of the biology, physics, and chemistry over a relatively small spatial scale (30 km). The site has been under examination since 1985 and during that time, substantial changes have been observed in the benthic and pelagic environments. The intention is to sustain and enhance these observations in order that a deeper understanding is obtained into the processes which operate; in particular the responses to the changes which are currently taking place in the global environment. The objective of the cruise was primarily to service the infrastructure required for continuous sustained observation, and to put these into context using observations from the ship which as yet cannot be carried out autonomously. In parallel to maintaining and extending existing measurements, the overview was enhanced by parallel research using novel technology (floats, water column imagers and marine snow catchers as well as underway pCO2 measurements). Investigations were carried out using a multi-instrument observational approach combined with direct sampling. In addition, the cruise achieved substantial sampling of the seabed of the PAP and associated abyssal hills, directly by coring, amphipod traps and trawling. |
| Ship | RRS James Cook |
| Departure Port | Southampton, United Kingdom |
| Departure Date | 2022-05-01 |
| Arrival Port | Southampton, United Kingdom |
| Arrival Date | 2022-05-19 |
| Principal Scientist(s) | Susan E Hartman (National Oceanography Centre, Southampton) |
| Responsible Organisation | National Oceanography Centre, Southampton |
| Associated Project(s) | Marine LTSS: Climate Linked Atlantic Sector Science (CLASS) |
| IHB Sea Areas Visited | North East Atlantic Ocean (limit 40W) |
| Marsden Squares Visited | 146 |
| Work Area Description | Whittard Canyon and Porcupine Abyssal Plain |
| 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 profiles =
10
Description: Full depth CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, nutrients, oxygen, salinity, DIC & TA |
| CTD stations |
Quantity:
number of stations =
1
Description: CTD profile in Irish EEZ. Primarily for release test for Whittard Canyon mooring deployment but sensor data collected and samples to validate the measurements. JC231-001 |
| CTD stations |
Quantity:
number of stations =
10
Description: CTD profiles at PAP site. Includes release tests for mooring deployments, Argo float validation, PAP1 and PAP3 sensor data validation and water bottle samples. JC231- 03,12,26,47,66,72,83,89,92 and JC231-095 |
| Subsurface temperature and salinity measurements |
Quantity:
number of track lines =
1
Description: Underway measurements for the duration of the cruise. |
| Chemical oceanography | |
| Alkalinity |
Quantity:
number of profiles =
10
Description: Full depth CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, nutrients, oxygen, salinity, DIC & TA |
| Carbon dioxide |
Quantity:
number of track lines =
1
Description: Underway measurements for the duration of the cruise. |
| Nitrate |
Quantity:
number of profiles =
10
Description: Full depth CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, nutrients, oxygen, salinity, DIC & TA |
| Oxygen |
Quantity:
number of profiles =
10
Description: Full depth CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, nutrients, oxygen, salinity, DIC & TA |
| Phosphate |
Quantity:
number of profiles =
10
Description: Full depth CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, nutrients, oxygen, salinity, DIC & TA |
| Silicate |
Quantity:
number of profiles =
10
Description: Full depth CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, nutrients, oxygen, salinity, DIC & TA |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) |
Quantity:
number of profiles =
10
Description: Full depth CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, nutrients, oxygen, salinity, DIC & TA |
| Phytoplankton pigs (eg chlorophyll, fluorescence) |
Quantity:
number of stations =
38
Description: Camera frame and Marine Snow Catchers between 50-600m at PAP |
| Zoobenthos |
Quantity:
number of stations =
10
Description: Megacore macrobenthos samples |
| Zoobenthos |
Quantity:
number of hauls =
2
Description: Demersal trawls for collection of megabnthos at PAP |
| Zooplankton |
Quantity:
number of stations =
38
Description: Camera frame and Marine Snow Catchers between 50-600m at PAP |
| Zooplankton |
Quantity:
number of stations =
7
Description: WP2, plankton nets for zooplankton at PAP, midnight and midday to 200m |
| Geology and geophysics | |
| Core - soft bottom |
Quantity:
number of stations =
4
Description: Gravity core, 3 m barrel, (bioturbation studies) |
| Core - soft bottom |
Quantity:
number of stations =
2
Description: Box core samples (bioturbation studies) |
Cruise Inventory Mooring/Buoy Operations
| Latitude | Longitude | Data type | Description |
|---|---|---|---|
| 48° 57' N | 16° 26' W | Carbon dioxide | Deployed top part of PAP1 mooring that includes surface Met sensors and CO2 and oceanographic sensors on keel (CTD, Chlorophyll fluorescence, CO, O2) and added a sub-surface 30m frame of BGC sensors. Deployed on 7/5/22 as JC231-036 |
| 48° 57' N | 16° 26' W | Carbon dioxide | Recovered top part of previously deployed PAP mooring on 5/5/22 - surface Mobilis buoy and 30m frame. Full mooring deployed as DY116-008 (21/11/20), buoy and frame previously deployed as DY130-038 (3/4/21) |
| 48° 57' N | 16° 19' W | Current meters | Deployment of PAP-SO sediment trap mooring, on 4/5/22 station JC231-004. Includes 3 x sediment trap, 1 x current meters and 2 x CTD. |
| 48° 59' N | 16° 24' W | Current meters | Recovery of PAP-SO sediment trap mooring on 10/5/22, station DY130-024 that had been deployed on 31/3/21 |
| 48° 37' N | 10° 0' W | Current profiler (eg ADCP) | Deployed a mooring that includes sediment trap, ADCP and in situ CTD sensor at the Whittard Canyon in Irish EEZ 3/5/22 Station number JC231-002. Mooring has no surface expression. |
| 48° 37' N | 10° 0' W | Current profiler (eg ADCP) | Recovered a mooring that includes sediment trap, ADCP and in situ CTD sensor at the Whittard Canyon in Irish EEZ. Deployed 29th March 2021, station number DY130-018 Mooring had no surface expression |
| 48° 57' N | 16° 26' W | Oxygen | Deployed top part of PAP1 mooring that includes surface Met sensors and CO2 and oceanographic sensors on keel (CTD, Chlorophyll fluorescence, CO, O2) and added a sub-surface 30m frame of BGC sensors. Deployed on 7/5/22 as JC231-036 |
| 49° 0' N | 16° 30' W | Oxygen | Deployment (and recovery due to a fault in a sensor) of Biogeochemistry Argo Float. JC231-048 |
| 48° 57' N | 16° 26' W | Oxygen | Recovered top part of previously deployed PAP mooring on 5/5/22 - surface Mobilis buoy and 30m frame. Full mooring deployed as DY116-008 (21/11/20), buoy and frame previously deployed as DY130-038 (3/4/21) |
| 48° 57' N | 16° 26' W | Phytoplankton pigs (eg chlorophyll, fluorescence) | Deployed top part of PAP1 mooring that includes surface Met sensors and CO2 and oceanographic sensors on keel (CTD, Chlorophyll fluorescence, CO, O2) and added a sub-surface 30m frame of BGC sensors. Deployed on 7/5/22 as JC231-036 |
| 49° 0' N | 16° 30' W | Phytoplankton pigs (eg chlorophyll, fluorescence) | Deployment (and recovery due to a fault in a sensor) of Biogeochemistry Argo Float. JC231-048 |
| 48° 57' N | 16° 26' W | Phytoplankton pigs (eg chlorophyll, fluorescence) | Recovered top part of previously deployed PAP mooring on 5/5/22 - surface Mobilis buoy and 30m frame. Full mooring deployed as DY116-008 (21/11/20), buoy and frame previously deployed as DY130-038 (3/4/21) |
| 48° 57' N | 16° 26' W | Routine standard measurements | Deployed top part of PAP1 mooring that includes surface Met sensors and CO2 and oceanographic sensors on keel (CTD, Chlorophyll fluorescence, CO, O2) and added a sub-surface 30m frame of BGC sensors. Deployed on 7/5/22 as JC231-036 |
| 48° 57' N | 16° 26' W | Routine standard measurements | Recovered top part of previously deployed PAP mooring on 5/5/22 - surface Mobilis buoy and 30m frame. Full mooring deployed as DY116-008 (21/11/20), buoy and frame previously deployed as DY130-038 (3/4/21) |
| 48° 37' N | 10° 0' W | Sediment traps | Deployed a mooring that includes sediment trap, ADCP and in situ CTD sensor at the Whittard Canyon in Irish EEZ 3/5/22 Station number JC231-002. Mooring has no surface expression. |
| 48° 57' N | 16° 19' W | Sediment traps | Deployment of PAP-SO sediment trap mooring, on 4/5/22 station JC231-004. Includes 3 x sediment trap, 1 x current meters and 2 x CTD. |
| 48° 37' N | 10° 0' W | Sediment traps | Recovered a mooring that includes sediment trap, ADCP and in situ CTD sensor at the Whittard Canyon in Irish EEZ. Deployed 29th March 2021, station number DY130-018 Mooring had no surface expression |
| 48° 59' N | 16° 24' W | Sediment traps | Recovery of PAP-SO sediment trap mooring on 10/5/22, station DY130-024 that had been deployed on 31/3/21 |
| 48° 57' N | 16° 28' W | Zoobenthos | Deployment of an Amphipod trap frame at PAP that we have not been able to recover |
Summary of BODC Data Holdings for the Cruise
National Oceanographic Database
Summary
| # Series | Instrument Description | Parameters |
|---|---|---|
| 11 | Bottle station |
Dissolved oxygen parameters in the water column Quality control flags Reference numbers 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 |
| 2 | Dissolved oxygen sensor |
Date and time Dissolved oxygen parameters in the water column Reference numbers Temperature of the water column |
| 1 | In-situ pH sensor |
Alkalinity, acidity and pH of the water column Date and time Reference numbers |
| 1 | Pumped water sample |
Date and time Horizontal spatial co-ordinates Nitrate concentration parameters in the water column Nitrite concentration parameters in the water column Phosphate concentration parameters in the water column Silicate concentration parameters in the water column |
| 1 | Pumped water sample |
Chlorophyll pigment concentrations in water bodies Date and time Horizontal spatial co-ordinates |
| 1 | radiometers |
Date and time Reference numbers Visible waveband radiance and irradiance measurements in the atmosphere |
Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)
Full List
| BODC Reference | Instrument Description | Date/Time | Location | |
|---|---|---|---|---|
| 2153469 | Pumped water sample | 2022-05-04 06:56Z to 2022-05-16 10:35Z | 48° 42' N to 49° 9' N; 17° 7' W to 15° 33' W | Click for more |
| 2153470 | Bottle station | 2022-05-02 19:16Z | 48° 33' N, 9° 55' W | Click for more |
| 2153482 | Bottle station | 2022-05-04 12:17Z | 48° 58' N, 16° 21' W | Click for more |
| 2153494 | Bottle station | 2022-05-05 07:43Z | 48° 57' N, 16° 24' W | Click for more |
| 2153501 | Bottle station | 2022-05-06 12:34Z | 49° 0' N, 16° 30' W | Click for more |
| 2153513 | Bottle station | 2022-05-08 14:20Z | 49° 0' N, 16° 30' W | Click for more |
| 2153525 | Bottle station | 2022-05-10 16:29Z | 49° 0' N, 16° 27' W | Click for more |
| 2153537 | Bottle station | 2022-05-11 10:17Z | 48° 57' N, 16° 28' W | Click for more |
| 2153549 | Bottle station | 2022-05-13 14:20Z | 49° 0' N, 16° 28' W | Click for more |
| 2153550 | Bottle station | 2022-05-14 16:39Z | 48° 58' N, 16° 28' W | Click for more |
| 2153562 | Bottle station | 2022-05-14 20:40Z | 48° 58' N, 16° 27' W | Click for more |
| 2153574 | Bottle station | 2022-05-15 10:43Z | 49° 0' N, 16° 30' W | Click for more |
| 2153586 | Pumped water sample | 2022-05-03 15:03Z to 2022-05-14 07:10Z | 48° 42' N to 48° 59' N; 17° 7' W to 11° 16' W | Click for more |
| 2153598 | Bottle station | 2022-05-02 19:16Z | 48° 33' N, 9° 55' W | Click for more |
| 2153605 | Bottle station | 2022-05-04 12:17Z | 48° 58' N, 16° 21' W | Click for more |
| 2153617 | Bottle station | 2022-05-05 07:43Z | 48° 57' N, 16° 24' W | Click for more |
| 2153629 | Bottle station | 2022-05-06 12:34Z | 49° 0' N, 16° 30' W | Click for more |
| 2153630 | Bottle station | 2022-05-08 14:20Z | 49° 0' N, 16° 30' W | Click for more |
| 2153642 | Bottle station | 2022-05-10 16:29Z | 49° 0' N, 16° 27' W | Click for more |
| 2153654 | Bottle station | 2022-05-11 10:17Z | 48° 57' N, 16° 28' W | Click for more |
| 2153666 | Bottle station | 2022-05-13 14:20Z | 49° 0' N, 16° 28' W | Click for more |
| 2153678 | Bottle station | 2022-05-14 16:39Z | 48° 58' N, 16° 28' W | Click for more |
| 2153691 | Bottle station | 2022-05-14 20:40Z | 48° 58' N, 16° 27' W | Click for more |
| 2153709 | Bottle station | 2022-05-15 10:43Z | 49° 0' N, 16° 30' W | Click for more |
| 2201178 | Dissolved oxygen sensor | 2022-05-07 11:14Z to 2023-05-10 23:45Z | 48° 57' N, 16° 26' W | Click for more |
| 2201222 | radiometers | 2022-05-07 13:17Z to 2023-05-10 22:19Z | 48° 58' N, 8° 16' W | Click for more |
| 2201664 | In-situ pH sensor | 2022-05-07 10:07Z to 2023-05-11 10:07Z | 48° 34' N, 16° 15' W | Click for more |
| 2201861 | Dissolved oxygen sensor | 2022-05-07 11:14Z to 2022-06-28 21:44Z | 49° 0' N, 16° 30' W | Click for more |
Project Database
No data currently held for this cruise in the BODC Project Database
