BODC Cruise Metadata Report for RRS James Clark Ross (74JC) cruise JR20081212 (JR194, JR197)
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 JR20081212 (JR194, JR197) |
|---|---|
| Short name | JR20081212 (JR194, JR197) |
| Objectives and Narrative |
JR194 was a short CTD section across Drake Passage, making the 14th repeat along WOCE section SR1b. This was also an opportunity to make quantitative microplankton measurements (flow cytometry) extending the line of such measurements from AMT (Atlantic Meridional Transect) from the Falklands south to the Antarctic Peninsula.
The aim of JR197 was to take sea level measurements from Drake Passage. Bottom Pressure Recorders have been used for making measurements of the Antarctic Circumpolar Current (ACC) since 1988, initially in the Scotia Sea and then later across the Drake Passage between the Falkland Islands and the Antarctic peninsula. Some of the Bottom Pressure Recorders (BPRs) are combined with Inverted Echo Sounders (IES). During JR197, one BPR and one BPR/IES were recovered and re-deployed in the Drake Passage. An additional BPR was deployed and a data pod was also recovered from MYRTLE (Multi-Year Return Tidal Level Equipment). The Sea Level Recorders at Stanley, Falkland Islands, Vernadsky and Rothera Research Stations in Antarctica, were also serviced. |
| Ship | RRS James Clark Ross |
| Departure Port | Stanley, Falkland Islands (Malvinas) |
| Departure Date | 2008-12-12 |
| Arrival Port | Unknown, Antarctica |
| Arrival Date | 2008-12-23 |
| Principal Scientist(s) | Graham D Quartly (National Oceanography Centre, Southampton), Miguel Angel Morales Maqueda (Proudman Oceanographic Laboratory) |
| Responsible Organisation | National Oceanography Centre, Southampton |
| Associated Project(s) | Oceans 2025 |
| IHB Sea Areas Visited | South West Atlantic Ocean (limit 20W) |
| Marsden Squares Visited | 485/521/522 |
| Work Area Description | Drake Passage |
| 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 =
32
Description: 2 test stations near Falklands; 30 for transect along SR1b. Temperature (x2), Salinity (x2), Fluorescence, PAR, Oxygen, Transmittance |
| Current profiler (eg ADCP) |
Quantity:
number of stations =
32
Description: LADCP working on most CTD stations |
| Current profiler (eg ADCP) |
Quantity:
activity duration in days =
9
Description: Continuous VM ADCP (75 kHz, typically reaching down 800m) |
| Neutrally buoyant floats |
Quantity:
number of deployments =
7
Description: ARGO floats deployed on Drake Passage leg |
| Surface measurements underway (T,S) |
Quantity:
activity duration in days =
9
Description: Ocean logger, with thermosalinograph (temperature & salinity), fluorometer & transmissometer |
| Water bottle stations |
Quantity:
number of stations =
32
Description: Salinity samples (typically 12) taken on all stations |
| Biology and fisheries | |
| Biochemical measurements (eg lipids, amino acids) |
Quantity:
number of stations =
4
Description: Bacterial activity and microbial uptake at ambient concentrations |
| Phytoplankton |
Quantity:
number of stations =
32
Description: Flow cytometry analysis (bacterioplankton and micro phytoplankton) of CTD Niskin samples (surface to sea-bed) |
| Phytoplankton |
Quantity:
activity duration in days =
9
Description: Flow cytometry analysis (bacterioplankton and micro phytoplankton) of surface (6m depth) samples taken every 30 mins |
| Zooplankton |
Quantity:
number of stations =
5
Description: Sea trials of size-fractionated microplankton net |
| Meteorology | |
| Routine standard measurements |
Quantity:
activity duration in days =
9
Description: Met system (air temperature, wind speed & direction, relative humidity, PAR & TIR) |
| Geology and geophysics | |
| Single-beam echosounding |
Quantity:
activity duration in days =
9
Description: Echo sounder (EA600) record of bottom |
Cruise Inventory Mooring/Buoy Operations
| Latitude | Longitude | Data type | Description |
|---|---|---|---|
| 60° 51' S | 54° 42' W | Sea level (inc. bot. press., inverted echosounder) | Bottom Pressure Recorder and Inverted Echo Sounder deployed Dec 2006, recovered Dec 2008. Drake South. |
| 60° 51' S | 54° 42' W | Sea level (inc. bot. press., inverted echosounder) | Bottom Pressure Recorder and Inverted Echo Sounder deployed Dec 2008. Drake South. |
| 60° 37' S | 53° 51' W | Sea level (inc. bot. press., inverted echosounder) | Bottom Pressure Recorder deployed Dec 2005. Recovered data pod Dec 2008. Main instrument still deployed. MYRTLE |
| 54° 56' S | 58° 21' W | Sea level (inc. bot. press., inverted echosounder) | Bottom Pressure Recorder deployed Dec 2006, recovered Dec 2008. Drake North. |
| 57° 54' S | 56° 32' W | Sea level (inc. bot. press., inverted echosounder) | Bottom Pressure Recorder deployed Dec 2008. Drake Middle. |
| 54° 56' S | 58° 21' W | Sea level (inc. bot. press., inverted echosounder) | Bottom Pressure Recorder deployed Dec 2008. Drake North. |
Summary of BODC Data Holdings for the Cruise
National Oceanographic Database
Summary
| # Series | Instrument Description | Parameters |
|---|---|---|
| 32 | CTD/STD cast |
Chlorophyll pigment concentrations in water bodies Density of the water column Dissolved oxygen parameters in the water column Electrical conductivity of the water column Reference numbers Salinity of the water column Temperature of the water column Transmittance and attenuance of the water column Vertical spatial coordinates Visible waveband radiance and irradiance measurements in the water column |
Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)
Full List
| BODC Reference | Instrument Description | Date/Time | Location | |
|---|---|---|---|---|
| 1077320 | CTD/STD cast | 2008-12-12 20:30Z to 2008-12-12 20:34Z | 51° 46' S, 57° 34' W | Click for more |
| 1077332 | CTD/STD cast | 2008-12-13 06:32Z to 2008-12-13 07:13Z | 53° 30' S, 58° 10' W | Click for more |
| 1077344 | CTD/STD cast | 2008-12-13 15:10Z to 2008-12-13 15:20Z | 54° 40' S, 58° 32' W | Click for more |
| 1077356 | CTD/STD cast | 2008-12-13 20:03Z to 2008-12-13 20:14Z | 54° 55' S, 58° 22' W | Click for more |
| 1077368 | CTD/STD cast | 2008-12-13 21:17Z to 2008-12-13 21:40Z | 54° 56' S, 58° 22' W | Click for more |
| 1077381 | CTD/STD cast | 2008-12-13 23:00Z to 2008-12-13 23:31Z | 54° 57' S, 58° 21' W | Click for more |
| 1077393 | CTD/STD cast | 2008-12-14 01:41Z to 2008-12-14 02:18Z | 55° 4' S, 58° 17' W | Click for more |
| 1077400 | CTD/STD cast | 2008-12-14 04:29Z to 2008-12-14 05:13Z | 55° 7' S, 58° 15' W | Click for more |
| 1077412 | CTD/STD cast | 2008-12-14 07:17Z to 2008-12-14 08:08Z | 55° 10' S, 58° 13' W | Click for more |
| 1077424 | CTD/STD cast | 2008-12-14 10:05Z to 2008-12-14 11:14Z | 55° 12' S, 58° 12' W | Click for more |
| 1077436 | CTD/STD cast | 2008-12-14 15:18Z to 2008-12-14 16:33Z | 55° 31' S, 58° 1' W | Click for more |
| 1077448 | CTD/STD cast | 2008-12-14 20:54Z to 2008-12-14 22:20Z | 55° 49' S, 57° 48' W | Click for more |
| 1077461 | CTD/STD cast | 2008-12-15 02:56Z to 2008-12-15 03:55Z | 56° 9' S, 57° 37' W | Click for more |
| 1077473 | CTD/STD cast | 2008-12-15 07:52Z to 2008-12-15 08:58Z | 56° 28' S, 57° 25' W | Click for more |
| 1077485 | CTD/STD cast | 2008-12-15 13:00Z to 2008-12-15 13:59Z | 56° 46' S, 57° 13' W | Click for more |
| 1077497 | CTD/STD cast | 2008-12-15 18:14Z to 2008-12-15 19:26Z | 57° 4' S, 57° 0' W | Click for more |
| 1077504 | CTD/STD cast | 2008-12-15 23:38Z to 2008-12-16 00:37Z | 57° 24' S, 56° 49' W | Click for more |
| 1077516 | CTD/STD cast | 2008-12-16 04:23Z to 2008-12-16 05:21Z | 57° 43' S, 56° 37' W | Click for more |
| 1077528 | CTD/STD cast | 2008-12-16 10:47Z to 2008-12-16 11:54Z | 58° 3' S, 56° 27' W | Click for more |
| 1077541 | CTD/STD cast | 2008-12-16 15:42Z to 2008-12-16 16:48Z | 58° 22' S, 56° 15' W | Click for more |
| 1077553 | CTD/STD cast | 2008-12-16 20:30Z to 2008-12-16 21:34Z | 58° 40' S, 56° 3' W | Click for more |
| 1077565 | CTD/STD cast | 2008-12-17 01:31Z to 2008-12-17 02:35Z | 59° 0' S, 55° 51' W | Click for more |
| 1077577 | CTD/STD cast | 2008-12-17 06:20Z to 2008-12-17 07:24Z | 59° 19' S, 55° 39' W | Click for more |
| 1077589 | CTD/STD cast | 2008-12-17 10:59Z to 2008-12-17 12:03Z | 59° 39' S, 55° 25' W | Click for more |
| 1077590 | CTD/STD cast | 2008-12-17 15:48Z to 2008-12-17 16:48Z | 60° 0' S, 55° 15' W | Click for more |
| 1077608 | CTD/STD cast | 2008-12-17 20:24Z to 2008-12-17 21:23Z | 60° 19' S, 55° 1' W | Click for more |
| 1077621 | CTD/STD cast | 2008-12-18 00:51Z to 2008-12-18 01:45Z | 60° 40' S, 54° 49' W | Click for more |
| 1077633 | CTD/STD cast | 2008-12-18 12:00Z to 2008-12-18 12:45Z | 60° 48' S, 54° 43' W | Click for more |
| 1077645 | CTD/STD cast | 2008-12-18 14:26Z to 2008-12-18 15:00Z | 60° 49' S, 54° 42' W | Click for more |
| 1077657 | CTD/STD cast | 2008-12-18 16:19Z to 2008-12-18 16:37Z | 60° 51' S, 54° 42' W | Click for more |
| 1077669 | CTD/STD cast | 2008-12-18 20:15Z to 2008-12-18 20:26Z | 60° 58' S, 54° 37' W | Click for more |
| 1077670 | CTD/STD cast | 2008-12-18 21:39Z to 2008-12-18 21:47Z | 61° 3' S, 54° 35' W | Click for more |
Project Database
| # Events | Gear Type | Parameters Held |
|---|---|---|
| 32 | CTD frame plus rosette sampler | Salinity of the water column |
| 35 | Sample taken from ship's non-toxic supply | Salinity of the water column |
Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)
