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BODC Cruise Metadata Report for RRS Discovery cruise DY129

Introduction

This report collates information from the BODC cruise inventory and oceanographic databases. It presents

Cruise Inventory Information

Long name RRS Discovery cruise DY129
Short name DY129
Objectives and Narrative The primary objective of the cruise was to service the RAPID 26N array of moorings that is deployed across the subtropical Atlantic to measure the variability of the Atlantic Meridional Overturning Circulation (AMOC). The main measurements required are of temperature, salinity, current speed and bottom pressure. There are three main groups of moorings measuring these variables: one for the eastern boundary, one over the mid-Atlantic ridge and one at the western boundary.
In additional the cruise had a number of additional objectives:
- To improve understanding of the meridional transport of carbon by the ocean additional instruments were deployed on moorings to measure oxygen, and two autonomous water samplers were also deployed one of which were paired with pH and pCO2 sensors
- To calibrate the moored instruments a number of CTD profiles were made measuring temperature, salinity and oxygen. Water samples were taken and analysed for salinity and oxygen. Some samples will later be analysed for dissolved inorganic carbon, total alkalinity, inorganic nutrients and organic nitrogen.
- Five Argo floats were deployed including 1 deep Argo float. These are a part of the international Argo program (http://www.argo.net/).
- Sediment traps were serviced east of the mid-Atlantic ridge for a program of sustained observations.
Ship RRS Discovery
Departure Port Southampton, United Kingdom
Departure Date 2020-12-08
Arrival Port Southampton, United Kingdom
Arrival Date 2021-01-26
Principal Scientist(s) Ben I Moat (National Oceanography Centre, Southampton)
Responsible Organisation National Oceanography Centre, Southampton
Associated Project(s) RAPID Climate Change - Atlantic Meridional Overturning Circulation
IHB Sea Areas Visited North Atlantic Ocean
Marsden Squares Visited 110/111/112/113/114/115/145/146/181/75/76/77/78/79/80
Work Area Description
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 = 19
Description: CTD stations, vertical profiles of conductivity, temperature, pressure and oxygen. Samples were taken for calibration of salinity and oxygen  
Current profiler (eg ADCP) Quantity: activity duration in days = 40
Description: Underway measurements were made of meteorological variables (wind speed and direction, air temperature and humidity, surface pressure and irradiance); surface (5m) temperature, and salinity; subsurface currents from 150kHz and 75 kHz ADCPs; and bathymetry from single and multi-beam echo sounders.  
Surface measurements underway (T,S) Quantity: activity duration in days = 40
Description: Underway measurements were made of meteorological variables (wind speed and direction, air temperature and humidity, surface pressure and irradiance); surface (5m) temperature, and salinity; subsurface currents from 150kHz and 75 kHz ADCPs; and bathymetry from single and multi-beam echo sounders.  
Chemical oceanography  
Alkalinity Quantity: activity duration in days = 30
Description: Underway samples of Alkalinity, Carbon and Nutrients collected from a depth of 5m. Underway measurement of, pCo2 from a depth of 5m.  
Carbon dioxide Quantity: activity duration in days = 30
Description: Underway samples of Alkalinity, Carbon and Nutrients collected from a depth of 5m. Underway measurement of, pCo2 from a depth of 5m.  
Carbon dioxide Quantity: number of stations = 4
Description: On selected CTD stations samples were taken and stored for later analysis of dissolved inorganic carbon, and total alkalinity  
Nitrate Quantity: number of stations = 5
Description: On selected CTD stations samples were taken and stored for later analysis of inorganic nutrients and organic nitrogen  
Nitrite Quantity: number of stations = 5
Description: On selected CTD stations samples were taken and stored for later analysis of inorganic nutrients and organic nitrogen  
Other chemical oceanographic measurements Quantity: activity duration in days = 30
Description: Underway samples of Alkalinity, Carbon and Nutrients collected from a depth of 5m. Underway measurement of, pCo2 from a depth of 5m.  
Oxygen Quantity: number of stations = 19
Description: CTD stations, vertical profiles of conductivity, temperature, pressure and oxygen. Samples were taken for calibration of salinity and oxygen  
Oxygen Quantity: activity duration in days = 14
Description: Underway measurement of, Ph, Oxygen from a depth of 5m. Daily Oxygen samples taken.  
Phosphate Quantity: number of stations = 5
Description: On selected CTD stations samples were taken and stored for later analysis of inorganic nutrients and organic nitrogen  
Silicate Quantity: number of stations = 5
Description: On selected CTD stations samples were taken and stored for later analysis of inorganic nutrients and organic nitrogen  
Total - P Quantity: number of stations = 5
Description: On selected CTD stations samples were taken and stored for later analysis of inorganic nutrients and organic nitrogen  
pH Quantity: number of stations = 4
Description: On selected CTD stations samples were taken and stored for later analysis of dissolved inorganic carbon, and total alkalinity  
pH Quantity: activity duration in days = 14
Description: Underway measurement of, Ph, Oxygen from a depth of 5m. Daily Oxygen samples taken.  
Meteorology  
Incident radiation Quantity: activity duration in days = 40
Description: Underway measurements were made of meteorological variables (wind speed and direction, air temperature and humidity, surface pressure and irradiance); surface (5m) temperature, and salinity; subsurface currents from 150kHz and 75 kHz ADCPs; and bathymetry from single and multi-beam echo sounders.  
Routine standard measurements Quantity: activity duration in days = 40
Description: Underway measurements were made of meteorological variables (wind speed and direction, air temperature and humidity, surface pressure and irradiance); surface (5m) temperature, and salinity; subsurface currents from 150kHz and 75 kHz ADCPs; and bathymetry from single and multi-beam echo sounders.  
Geology and geophysics  
Multi-beam echosounding Quantity: activity duration in days = 40
Description: Underway measurements were made of meteorological variables (wind speed and direction, air temperature and humidity, surface pressure and irradiance); surface (5m) temperature, and salinity; subsurface currents from 150kHz and 75 kHz ADCPs; and bathymetry from single and multi-beam echo sounders.  
Single-beam echosounding Quantity: activity duration in days = 40
Description: Underway measurements were made of meteorological variables (wind speed and direction, air temperature and humidity, surface pressure and irradiance); surface (5m) temperature, and salinity; subsurface currents from 150kHz and 75 kHz ADCPs; and bathymetry from single and multi-beam echo sounders.  

Cruise Inventory Mooring/Buoy Operations

Latitude Longitude Data type Description
26° 28' N 76° 37' W Carbon dioxide Deployed: 9 CTD, 6 current meters, 3 oxygen, 1100m-4860m
24° 10' N 49° 45' W Carbon dioxide Recovered: 18 CTD, 2 current meters, 9 oxygen, 1, pH, 1pC02, 1 sampler . 50m-5100m,
26° 28' N 76° 37' W Carbon dioxide Recovered: 5 CTD, 5 current meters, 3 oxygen, 1 sampler, 1500m-4860m
26° 30' N 76° 49' W Current meters Deployed: 11 CTD, 5 current meters, 6 oxygen, 50m?1350m
26° 27' N 75° 43' W Current meters Deployed: 17 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
26° 31' N 76° 44' W Current meters Deployed: 19 CTD, 8 current meters, 9 temperature, 50m ? 3850m
26° 28' N 76° 37' W Current meters Deployed: 9 CTD, 6 current meters, 3 oxygen, 1100m-4860m
25° 9' N 52° 1' W Current meters Recovered: 5 CTD, 1 current meter, 4780m-5510m
26° 30' N 70° 31' W Current meters Recovered: 5 CTD, 1 current meter, 4800m-5500m
26° 27' N 75° 43' W Current meters Recovered: 15 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
26° 31' N 76° 44' W Current meters Recovered: 17 CTD, 8 current meters, 50m ? 3850m
23° 52' N 41° 5' W Current meters Recovered: 18 CTD, 2 current meters
24° 10' N 49° 45' W Current meters Recovered: 18 CTD, 2 current meters, 9 oxygen, 1, pH, 1pC02, 1 sampler . 50m-5100m,
23° 45' N 41° 6' W Current meters Recovered: 2 sediment traps + 2 current meters, c. 3000m, 1 CTD 4300m
26° 30' N 76° 49' W Current meters Recovered: 4 CTD, 4 current meters, 5 oxygen, 50m-1350m
26° 28' N 76° 37' W Current meters Recovered: 5 CTD, 5 current meters, 3 oxygen, 1 sampler, 1500m-4860m
26° 27' N 75° 43' W Current profiler (eg ADCP) Deployed: 17 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
26° 31' N 76° 52' W Current profiler (eg ADCP) Recovered and Deployed: 1 ADCP 600m
26° 27' N 75° 43' W Current profiler (eg ADCP) Recovered: 15 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
25° 33' N 59° 15' W Neutrally buoyant floats Argo autonomous profiling float deployment #07, 0-6000m
26° 29' N 70° 31' W Neutrally buoyant floats Argo autonomous profiling float deployment #7625, 0-2000m
24° 10' N 49° 43' W Neutrally buoyant floats Argo autonomous profiling float deployment #9136, 0-2000m
23° 51' N 41° 6' W Neutrally buoyant floats Argo autonomous profiling float deployment #9137, 0-2000m
25° 9' N 52° 1' W Neutrally buoyant floats Argo autonomous profiling float deployment #9187, 0-2000m
26° 30' N 76° 49' W Oxygen Deployed: 11 CTD, 5 current meters, 6 oxygen, 50m?1350m
26° 27' N 75° 43' W Oxygen Deployed: 17 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
26° 28' N 76° 37' W Oxygen Deployed: 9 CTD, 6 current meters, 3 oxygen, 1100m-4860m
26° 27' N 75° 43' W Oxygen Recovered: 15 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
24° 10' N 49° 45' W Oxygen Recovered: 18 CTD, 2 current meters, 9 oxygen, 1, pH, 1pC02, 1 sampler . 50m-5100m,
26° 30' N 76° 49' W Oxygen Recovered: 4 CTD, 4 current meters, 5 oxygen, 50m-1350m
26° 28' N 76° 37' W Oxygen Recovered: 5 CTD, 5 current meters, 3 oxygen, 1 sampler, 1500m-4860m
26° 28' N 75° 42' W Sea level (inc. bot. press., inverted echosounder) Deploy: 2 bottom pressure recorders, 4690m
26° 30' N 76° 44' W Sea level (inc. bot. press., inverted echosounder) Failed to recover: 2 bottom pressure recorders, 3870m
26° 32' N 76° 52' W Sea level (inc. bot. press., inverted echosounder) Recovered and Deployed: 2 bottom pressure recorders, 600m
23° 51' N 41° 6' W Sea level (inc. bot. press., inverted echosounder) Recovered: 2 bottom pressure recorders, 5030m
23° 51' N 41° 5' W Sea level (inc. bot. press., inverted echosounder) Recovered: 2 bottom pressure recorders, 5030m
24° 12' N 49° 43' W Sea level (inc. bot. press., inverted echosounder) Recovered: 2 bottom pressure recorders, 5225m
24° 10' N 49° 43' W Sea level (inc. bot. press., inverted echosounder) Recovered: 2 bottom pressure recorders, 5225m
24° 10' N 49° 46' W Sea level (inc. bot. press., inverted echosounder) Recovered: Pressure and inverted echo sounder (PIES), 5225m
23° 45' N 41° 6' W Sediment traps Recovered: 2 sediment traps + 2 current meters, c. 3000m, 1 CTD 4300m
26° 30' N 76° 49' W Subsurface temperature and salinity measurements Deployed: 11 CTD, 5 current meters, 6 oxygen, 50m?1350m
26° 27' N 75° 43' W Subsurface temperature and salinity measurements Deployed: 17 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
26° 31' N 76° 44' W Subsurface temperature and salinity measurements Deployed: 19 CTD, 8 current meters, 9 temperature, 50m ? 3850m
26° 28' N 76° 37' W Subsurface temperature and salinity measurements Deployed: 9 CTD, 6 current meters, 3 oxygen, 1100m-4860m
25° 9' N 52° 1' W Subsurface temperature and salinity measurements Recovered: 5 CTD, 1 current meter, 4780m-5510m
26° 30' N 70° 31' W Subsurface temperature and salinity measurements Recovered: 5 CTD, 1 current meter, 4800m-5500m
26° 27' N 75° 43' W Subsurface temperature and salinity measurements Recovered: 15 CTD, 9 current meters, 6 Oxygen, 1 ADCP, 50m-4600m
26° 31' N 76° 44' W Subsurface temperature and salinity measurements Recovered: 17 CTD, 8 current meters, 50m ? 3850m
23° 52' N 41° 5' W Subsurface temperature and salinity measurements Recovered: 18 CTD, 2 current meters
24° 10' N 49° 45' W Subsurface temperature and salinity measurements Recovered: 18 CTD, 2 current meters, 9 oxygen, 1, pH, 1pC02, 1 sampler . 50m-5100m,
26° 30' N 76° 49' W Subsurface temperature and salinity measurements Recovered: 4 CTD, 4 current meters, 5 oxygen, 50m-1350m
26° 28' N 76° 37' W Subsurface temperature and salinity measurements Recovered: 5 CTD, 5 current meters, 3 oxygen, 1 sampler, 1500m-4860m
26° 28' N 76° 37' W pH Deployed: 9 CTD, 6 current meters, 3 oxygen, 1100m-4860m
24° 10' N 49° 45' W pH Recovered: 18 CTD, 2 current meters, 9 oxygen, 1, pH, 1pC02, 1 sampler . 50m-5100m,
26° 28' N 76° 37' W pH Recovered: 5 CTD, 5 current meters, 3 oxygen, 1 sampler, 1500m-4860m

Summary of BODC Data Holdings for the Cruise

National Oceanographic Database

Summary

# Series Instrument Description Parameters
2 Acoustic doppler current profiler Date and time
Horizontal platform movement
Horizontal spatial co-ordinates
Horizontal velocity of the water column (currents)
Reference numbers
Vertical spatial coordinates
19 CTD/STD cast Density of the water column
Dissolved oxygen parameters in the water column
Electrical conductivity of the water column
Metadata parameters
Reference numbers
Salinity of the water column
Temperature of 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  
2047069 Acoustic doppler current profiler 2020-12-08 10:34:43Z to 2021-01-18 18:57:32Z From 50° 51' N, 1° 20' W to 36° 37' N, 27° 57' W Click for more
2047070 Acoustic doppler current profiler 2020-12-08 10:34:45Z to 2021-01-18 18:57:33Z From 50° 51' N, 1° 20' W to 36° 37' N, 27° 57' W Click for more
2157249 CTD/STD cast 2020-12-18 19:25Z 23° 51' N, 41° 6' W Click for more
2157250 CTD/STD cast 2020-12-18 22:13Z 23° 51' N, 41° 6' W Click for more
2157262 CTD/STD cast 2020-12-21 17:56Z 24° 10' N, 49° 43' W Click for more
2157274 CTD/STD cast 2020-12-22 00:06Z 24° 10' N, 49° 43' W Click for more
2157286 CTD/STD cast 2020-12-22 17:02Z 24° 10' N, 49° 44' W Click for more
2157298 CTD/STD cast 2020-12-23 14:38Z 25° 8' N, 52° 1' W Click for more
2157305 CTD/STD cast 2020-12-23 18:33Z 25° 8' N, 52° 1' W Click for more
2157317 CTD/STD cast 2020-12-27 22:12Z 26° 29' N, 70° 31' W Click for more
2157329 CTD/STD cast 2021-01-01 02:07Z 26° 27' N, 75° 45' W Click for more
2157330 CTD/STD cast 2021-01-01 18:45Z 26° 28' N, 75° 43' W Click for more
2157342 CTD/STD cast 2021-01-02 20:48Z 26° 27' N, 75° 42' W Click for more
2157354 CTD/STD cast 2021-01-03 06:44Z 26° 29' N, 76° 38' W Click for more
2157366 CTD/STD cast 2021-01-03 22:30Z 26° 27' N, 76° 37' W Click for more
2157378 CTD/STD cast 2021-01-04 22:24Z 26° 30' N, 76° 43' W Click for more
2157391 CTD/STD cast 2021-01-05 23:35Z 26° 30' N, 76° 43' W Click for more
2157409 CTD/STD cast 2021-01-07 00:00Z 26° 28' N, 76° 36' W Click for more
2157410 CTD/STD cast 2021-01-07 21:04Z 26° 30' N, 76° 48' W Click for more
2157422 CTD/STD cast 2021-01-08 05:03Z 26° 27' N, 75° 40' W Click for more
2157434 CTD/STD cast 2021-01-10 12:51Z 29° 38' N, 65° 47' W Click for more

Project Database

No data currently held for this cruise in the BODC Project Database

References

Track Charts

No track charts currently available

Reports

Cruise Report