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RRS Discovery DY034

Cruise summary report

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Cruise Info. 
Ship name (ship code)RRS Discovery (74EQ)
Cruise identifierDY034
Cruise period2015-08-06 — 2015-09-02
StatusCompleted
Port of departureSouthampton, United Kingdom
Port of returnSouthampton, United Kingdom
PurposeResearch
ObjectivesWe addressed four interdisciplinary themes to provide a holistic view of the biogeochemistry of benthic shelf ecosystems, including the nepheloid layer. The relative size of the carbon (C) and nitrogen (N) pools, microbial transformation rates and fluxes between pools were quantified in shelf sediments on this, the last of several integrated cruises (Winter, post-bloom Spring, late Summer) scheduled to coincide with contrasting biogeochemical conditions. During each cruise, observations and experiments are to be made across a gradient of soft cohesive mud to coarse advective gravel. The effort has four modules: Module 1: Biogeochemical cycling of nitrogen, phosphorus, silicon and carbon within sediment; Module 2: Role of sediments in carbon storage; Module 3: Role of macrofauna and the impacts of natural and anthropogenic disturbance on sediment biogeochemical processes; Module 4: Role of sediment resuspension and near-bed current flow: Impacts on carbon and nutrient sediment-water exchange in diffusive and pumped sediments. Four primary sites were selected based on representation of the dominant habitat types (% area covered/ biogeochemically activity) within the Celtic Sea. This approach is to ensure that all data generated are applicable to the largest area of shelf sediments and thus suitable for scaling-up activities. Sites were chosen from a limited depth and temperature range to ensure high comparability between sites.
Chief scientistHenry Ruhl (National Oceanography Centre, Southampton)
ProjectShelf Sea Biogeochemistry
Cruise reportRRS Discovery DY034 cruise report dy034.pdf (6.52 MB) 
Ocean/sea areas 
GeneralCeltic Sea
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 27
Description: Sea surface meteorology and hydrography (intake pipe at ~6 m below sea level, met platform at ~17.6 m above sea level) - salinity bottle samples for calibrations
Water bottle stationsQuantity: number of stations = 35
Description: CTD bottles fired for discrete sampling, independent samples for CTD calibrations and incubation bulk water (24 x 10 L OTE trace metal (TMF) niskin bottles, SBE32 carousel) - salinity bottle samples for calibrations
CTD stationsQuantity: number of stations = 25
Description: CTD (stainless steel)
CTD stationsQuantity: number of stations = 10
Description: UCCTD stations (SBE911plus CTD and auxilliary sensors, titanium frame)
Transparency (eg transmissometer)Quantity: activity duration in days = 27
Description: Sea surface meteorology and hydrography (intake pipe at ~6 m below sea level, met platform at ~17.6 m above sea level) - salinity bottle samples for calibrations
Transparency (eg transmissometer)Quantity: number of stations = 10
Description: UCCTD stations (SBE911plus CTD and auxilliary sensors, titanium frame)
Optics (eg underwater light levels)Quantity: number of stations = 10
Description: UCCTD stations (SBE911plus CTD and auxilliary sensors, titanium frame)
Current profiler (eg ADCP)Quantity: activity duration in days = 27
Description: Underway measurements from vessel-mounted ADCP (Teledyne RDI Ocean Surveyors 150 kHz)
Chemical oceanography 
OxygenQuantity: number of samples = 290
Description: Oxygen bottle samples from CTD bottles (Winkler titration)
OxygenQuantity: number of stations = 10
Description: UCCTD stations (SBE911plus CTD and auxilliary sensors, titanium frame)
Carbon dioxideQuantity: activity duration in days = 27
Description: Underway measurements from pCO2 system.
PhosphateQuantity: number of samples = 1544
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
NitrateQuantity: number of samples = 1544
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
AmmoniaQuantity: number of samples = 1544
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
SilicateQuantity: number of samples = 1544
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
SilicateQuantity: number of stations = 28
Description: Chlorophyll-a, biogenic silica (PSi) and size-fractionated chlorophyll samples from CTD bottles
AlkalinityQuantity: number of samples = 61
Description: Dinorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
Trace elementsQuantity: number of samples = 13
Description: Iron speciation, form and isotopes (TDM, DM, TDFe, Dfe, Sfe, Pfe, S56Fe, ligands, FeL) from CTD bottles, stand-alone pumping systems (SAPS) and trace metal clean fish
Other chemical oceanographic measurementsQuantity: number of stations = 28
Description: Chlorophyll-a, biogenic silica (PSi) and size-fractionated chlorophyll samples from CTD bottles
Other chemical oceanographic measurementsQuantity: number of samples = 61
Description: Dinorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
Contamination 
Suspended matterQuantity: number of samples = 134
Description: Suspended particulate matter (SPM) samples from CTD bottles
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 27
Description: Sea surface meteorology and hydrography (intake pipe at ~6 m below sea level, met platform at ~17.6 m above sea level) - salinity bottle samples for calibrations
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 7
Description: HPLC pigments from CTD bottles
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 28
Description: Chlorophyll-a, biogenic silica (PSi) and size-fractionated chlorophyll samples from CTD bottles
Particulate organic matter (inc POC, PON)Quantity: number of samples = 61
Description: Dinorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
Dissolved organic matter (inc DOC)Quantity: number of samples = 61
Description: Dinorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
PhytoplanktonQuantity: number of stations = 28
Description: Chlorophyll-a, biogenic silica (PSi) and size-fractionated chlorophyll samples from CTD bottles
PhytoplanktonQuantity: number of stations = 7
Description: HPLC pigments from CTD bottles
ZoobenthosQuantity: number of cores = 370
Description: Coring for benthic observations and incubations (NIOZ corer, NOC megacorer, SMBA boxcorer)
ZoobenthosQuantity: number of stations = 19
Description: Agassi trawl
MolluscsQuantity: number of cores = 370
Description: Coring for benthic observations and incubations (NIOZ corer, NOC megacorer, SMBA boxcorer)
CrustaceansQuantity: number of cores = 370
Description: Coring for benthic observations and incubations (NIOZ corer, NOC megacorer, SMBA boxcorer)
Meteorology 
Routine standard measurementsQuantity: activity duration in days = 27
Description: Sea surface meteorology and hydrography (intake pipe at ~6 m below sea level, met platform at ~17.6 m above sea level) - salinity bottle samples for calibrations
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 370
Description: Coring for benthic observations and incubations (NIOZ corer, NOC megacorer, SMBA boxcorer)
Bottom photographyQuantity: number of surveys = 7
Description: Chem-SPI camera surveys
Bottom photographyQuantity: number of stations = 25
Description: SPI camera surveys for images of sediment cross sections
Multi-beam echosoundingQuantity: number of surveys = 1
Description: Swath bathymetry surveys (Konsgberg EM220 multibeam echo sounder)
Other geological/geophysical measurementsQuantity: number of stations = 40
Description: Carbon turnover rates and nitrogen cycling incubations, Nutrient flux incubations using NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 7
Description: Sediment resuspension mini-flume incubations using NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 65
Description: Bioturbation and bioirrigation incubations in NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 72
Description: Pulse-chase isotopic tracer (13C/15N) experiments using NIOZ cores
Moorings, landers, buoys 
Physical oceanography 
Subsurface temperature and salinity measurements50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements49° 28' 59" N  8° 35' 59" W — Slocum Glider unit 399 (East of Haig Fras area) - recovered
Subsurface temperature and salinity measurements50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 544 (Benthic I) - deployed
Subsurface temperature and salinity measurements50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements51° 4' 0" N  6° 34' 0" W — Slocum Glider unit 419 - deployed
Subsurface temperature and salinity measurements48° 31' 0" N  9° 43' 59" W — Seaglider unit 533 - recovered
Subsurface temperature and salinity measurements51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements50° 32' 59" N  7° 0' 0" W — Slocum Glider unit 306 - recovered
Subsurface temperature and salinity measurements50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 545 (Benthic I) - deployed
Subsurface temperature and salinity measurements50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Subsurface temperature and salinity measurements51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 7' 59" N  6° 35' 59" W — CEFAS mini lander (Celtic Deep) - recovered
Transparency (eg transmissometer)50° 36' 0" N  7° 1' 0" W — CEFAS mini lander (East of Haig Frais) - recovered
Transparency (eg transmissometer)51° 4' 0" N  6° 34' 59" W — Mini stable lander (Benthic G) - deployed, recovered
Transparency (eg transmissometer)51° 31' 0" N  6° 1' 59" W — Mini stable lander (Benthic H) - deployed, recovered
Transparency (eg transmissometer)51° 34' 59" N  6° 5' 59" W — Mini stable lander (Benthic I) - deployed, recovered
Transparency (eg transmissometer)50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)49° 28' 59" N  8° 35' 59" W — Slocum Glider unit 399 (East of Haig Fras area) - recovered
Transparency (eg transmissometer)50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 544 (Benthic I) - deployed
Transparency (eg transmissometer)50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 4' 0" N  6° 34' 0" W — Slocum Glider unit 419 - deployed
Transparency (eg transmissometer)48° 31' 0" N  9° 43' 59" W — Seaglider unit 533 - recovered
Transparency (eg transmissometer)49° 23' 59" N  8° 35' 59" W — CEFAS smart buoy (Candyfloss) - recovered
Transparency (eg transmissometer)51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 7' 59" N  6° 34' 0" W — CEFAS smart buoy (Celtic Deep) - recovered
Transparency (eg transmissometer)51° 13' 0" N  6° 7' 59" W — Mini stable lander (Benthic A) - deployed, recovered
Transparency (eg transmissometer)50° 32' 59" N  7° 0' 0" W — Slocum Glider unit 306 - recovered
Transparency (eg transmissometer)50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 545 (Benthic I) - deployed
Transparency (eg transmissometer)50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Transparency (eg transmissometer)51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Optics (eg underwater light levels)51° 7' 59" N  6° 35' 59" W — CEFAS mini lander (Celtic Deep) - recovered
Optics (eg underwater light levels)50° 36' 0" N  7° 1' 0" W — CEFAS mini lander (East of Haig Frais) - recovered
Optics (eg underwater light levels)51° 4' 0" N  6° 34' 59" W — Mini stable lander (Benthic G) - deployed, recovered
Optics (eg underwater light levels)51° 31' 0" N  6° 1' 59" W — Mini stable lander (Benthic H) - deployed, recovered
Optics (eg underwater light levels)51° 34' 59" N  6° 5' 59" W — Mini stable lander (Benthic I) - deployed, recovered
Optics (eg underwater light levels)49° 28' 59" N  8° 35' 59" W — Slocum Glider unit 399 (East of Haig Fras area) - recovered
Optics (eg underwater light levels)50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 544 (Benthic I) - deployed
Optics (eg underwater light levels)51° 4' 0" N  6° 34' 0" W — Slocum Glider unit 419 - deployed
Optics (eg underwater light levels)48° 31' 0" N  9° 43' 59" W — Seaglider unit 533 - recovered
Optics (eg underwater light levels)49° 23' 59" N  8° 35' 59" W — CEFAS smart buoy (Candyfloss) - recovered
Optics (eg underwater light levels)51° 7' 59" N  6° 34' 0" W — CEFAS smart buoy (Celtic Deep) - recovered
Optics (eg underwater light levels)51° 13' 0" N  6° 7' 59" W — Mini stable lander (Benthic A) - deployed, recovered
Optics (eg underwater light levels)50° 32' 59" N  7° 0' 0" W — Slocum Glider unit 306 - recovered
Optics (eg underwater light levels)50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 545 (Benthic I) - deployed
Current profiler (eg ADCP)49° 23' 59" N  8° 35' 59" W — ADCP bedframe (Candyfloss) - recovered
Current profiler (eg ADCP)50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Current profiler (eg ADCP)51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Other physical oceanographic measurements51° 7' 59" N  6° 35' 59" W — CEFAS mini lander (Celtic Deep) - recovered
Other physical oceanographic measurements50° 36' 0" N  7° 1' 0" W — CEFAS mini lander (East of Haig Frais) - recovered
Other physical oceanographic measurements51° 4' 0" N  6° 34' 59" W — Mini stable lander (Benthic G) - deployed, recovered
Other physical oceanographic measurements51° 31' 0" N  6° 1' 59" W — Mini stable lander (Benthic H) - deployed, recovered
Other physical oceanographic measurements51° 34' 59" N  6° 5' 59" W — Mini stable lander (Benthic I) - deployed, recovered
Other physical oceanographic measurements49° 23' 59" N  8° 35' 59" W — ADCP bedframe (Candyfloss) - recovered
Other physical oceanographic measurements49° 23' 59" N  8° 35' 59" W — CEFAS smart buoy (Candyfloss) - recovered
Other physical oceanographic measurements51° 7' 59" N  6° 34' 0" W — CEFAS smart buoy (Celtic Deep) - recovered
Other physical oceanographic measurements51° 13' 0" N  6° 7' 59" W — Mini stable lander (Benthic A) - deployed, recovered
Chemical oceanography 
Oxygen51° 7' 59" N  6° 35' 59" W — CEFAS mini lander (Celtic Deep) - recovered
Oxygen50° 36' 0" N  7° 1' 0" W — CEFAS mini lander (East of Haig Frais) - recovered
Oxygen51° 4' 0" N  6° 34' 59" W — Mini stable lander (Benthic G) - deployed, recovered
Oxygen51° 31' 0" N  6° 1' 59" W — Mini stable lander (Benthic H) - deployed, recovered
Oxygen51° 34' 59" N  6° 5' 59" W — Mini stable lander (Benthic I) - deployed, recovered
Oxygen49° 28' 59" N  8° 35' 59" W — Slocum Glider unit 399 (East of Haig Fras area) - recovered
Oxygen50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 544 (Benthic I) - deployed
Oxygen51° 4' 0" N  6° 34' 0" W — Slocum Glider unit 419 - deployed
Oxygen48° 31' 0" N  9° 43' 59" W — Seaglider unit 533 - recovered
Oxygen49° 23' 59" N  8° 35' 59" W — CEFAS smart buoy (Candyfloss) - recovered
Oxygen51° 7' 59" N  6° 34' 0" W — CEFAS smart buoy (Celtic Deep) - recovered
Oxygen51° 13' 0" N  6° 7' 59" W — Mini stable lander (Benthic A) - deployed, recovered
Oxygen50° 32' 59" N  7° 0' 0" W — Slocum Glider unit 306 - recovered
Oxygen50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 545 (Benthic I) - deployed
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 7' 59" N  6° 35' 59" W — CEFAS mini lander (Celtic Deep) - recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)50° 36' 0" N  7° 1' 0" W — CEFAS mini lander (East of Haig Frais) - recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 4' 0" N  6° 34' 59" W — Mini stable lander (Benthic G) - deployed, recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 31' 0" N  6° 1' 59" W — Mini stable lander (Benthic H) - deployed, recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 34' 59" N  6° 5' 59" W — Mini stable lander (Benthic I) - deployed, recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)49° 28' 59" N  8° 35' 59" W — Slocum Glider unit 399 (East of Haig Fras area) - recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 544 (Benthic I) - deployed
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 4' 0" N  6° 34' 0" W — Slocum Glider unit 419 - deployed
Phytoplankton pigs (eg chlorophyll, fluorescence)48° 31' 0" N  9° 43' 59" W — Seaglider unit 533 - recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)49° 23' 59" N  8° 35' 59" W — CEFAS smart buoy (Candyfloss) - recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 7' 59" N  6° 34' 0" W — CEFAS smart buoy (Celtic Deep) - recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 13' 0" N  6° 7' 59" W — Mini stable lander (Benthic A) - deployed, recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)50° 32' 59" N  7° 0' 0" W — Slocum Glider unit 306 - recovered
Phytoplankton pigs (eg chlorophyll, fluorescence)50° 34' 0" N  7° 7' 0" W — Slocum Glider unit 545 (Benthic I) - deployed
Demersal fish50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Demersal fish51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Demersal fish50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
Demersal fish51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Demersal fish51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Demersal fish51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Demersal fish50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Demersal fish50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Demersal fish51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Demersal fish51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Demersal fish50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Demersal fish51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Molluscs50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Molluscs51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Molluscs50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
Molluscs51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Molluscs51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Molluscs51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Molluscs50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Molluscs50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Molluscs51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Molluscs51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Molluscs50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Molluscs51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Crustaceans51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Crustaceans50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
Crustaceans51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Crustaceans51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Crustaceans51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Crustaceans50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Crustaceans50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Crustaceans50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Crustaceans51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Crustaceans50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Crustaceans51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Geology and geophysics 
Bottom photography51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Bottom photography51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Bottom photography50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Bottom photography50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Bottom photography51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Bottom photography51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Bottom photography50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Bottom photography50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Bottom photography51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Bottom photography51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Bottom photography51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Bottom photography50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 4' 0" N  6° 34' 59" W — Mini stable lander (Benthic G) - deployed, recovered
In-situ seafloor measurement/sampling50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 34' 59" N  6° 5' 59" W — Mini stable lander (Benthic I) - deployed, recovered
In-situ seafloor measurement/sampling50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 7' 59" N  6° 35' 59" W — CEFAS mini lander (Celtic Deep) - recovered
In-situ seafloor measurement/sampling50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling50° 36' 0" N  7° 1' 0" W — CEFAS mini lander (East of Haig Frais) - recovered
In-situ seafloor measurement/sampling51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 31' 0" N  6° 1' 59" W — Mini stable lander (Benthic H) - deployed, recovered
In-situ seafloor measurement/sampling51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
In-situ seafloor measurement/sampling51° 13' 0" N  6° 7' 59" W — Mini stable lander (Benthic A) - deployed, recovered
In-situ seafloor measurement/sampling51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Multi-beam echosounding51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Multi-beam echosounding50° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Multi-beam echosounding51° 13' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Multi-beam echosounding51° 6' 0" N  6° 34' 59" W — Autosub3 - deployed, recovered
Multi-beam echosounding50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Multi-beam echosounding50° 36' 0" N  7° 5' 59" W — Autosub3 - deployed, recovered
Multi-beam echosounding51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Multi-beam echosounding50° 13' 59" N  6° 7' 0" W — Autosub3 - deployed, recovered
Multi-beam echosounding51° 10' 59" N  6° 7' 59" W — Autosub3 - deployed, recovered
Multi-beam echosounding50° 31' 0" N  7° 0' 0" W — Autosub3 - deployed, recovered
Multi-beam echosounding51° 6' 0" N  6° 34' 0" W — Autosub3 - deployed, recovered
Data held at BODC Get data
Series/Profiles 
13  Bottle station
Reference numbers
Total dissolved inorganic carbon (TCO2) concentration in the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Metadata parameters
Quality control flags
Alkalinity, acidity and pH of the water column
[Show series]
Reference numbers
Total dissolved inorganic carbon (TCO2) concentration in the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Metadata parameters
Quality control flags
Alkalinity, acidity and pH of the water column
[Hide series]

BODC idDate/TimeLocationDoc.
21197522015-08-31 08:42:30 48° 34' 14" N  9° 30' 34" W  View metadata report for BODC series reference number 2119752
21222742015-08-13 13:02 51° 12' 45" N  6° 7' 57" W  View metadata report for BODC series reference number 2122274
21197032015-08-08 00:29 51° 12' 39" N  6° 7' 51" W  View metadata report for BODC series reference number 2119703
21197402015-08-22 18:40 49° 24' 21" N  8° 35' 58" W  View metadata report for BODC series reference number 2119740
21222622015-08-08 15:39:30 51° 4' 1" N  6° 34' 55" W  View metadata report for BODC series reference number 2122262
21223052015-08-23 11:42:30 49° 24' 25" N  8° 35' 53" W  View metadata report for BODC series reference number 2122305
21222502015-08-08 01:38 51° 12' 39" N  6° 7' 51" W  View metadata report for BODC series reference number 2122250
21222862015-08-16 08:29 50° 31' 17" N  7° 2' 16" W  View metadata report for BODC series reference number 2122286
21222982015-08-19 13:17:30 50° 34' 33" N  7° 6' 17" W  View metadata report for BODC series reference number 2122298
21223172015-08-31 10:10 48° 34' 14" N  9° 30' 40" W  View metadata report for BODC series reference number 2122317
21197152015-08-11 15:45:30 51° 4' 20" N  6° 34' 52" W  View metadata report for BODC series reference number 2119715
21197392015-08-19 12:23:30 50° 34' 33" N  7° 6' 17" W  View metadata report for BODC series reference number 2119739
21197272015-08-16 07:11 50° 31' 20" N  7° 2' 13" W  View metadata report for BODC series reference number 2119727
35  CTD/STD cast
Reference numbers
Transmittance and attenuance of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Optical backscatter
Salinity of the water column
Temperature of the water column
Visible waveband radiance and irradiance measurements in the water column
Density of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies
[Show series]
Reference numbers
Transmittance and attenuance of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Optical backscatter
Salinity of the water column
Temperature of the water column
Visible waveband radiance and irradiance measurements in the water column
Density of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies
[Hide series]

BODC idDate/TimeLocationDoc.
17213472015-08-13 12:47 51° 12' 45" N  6° 7' 57" W  View metadata report for BODC series reference number 1721347
17212922015-08-10 11:14 51° 4' 15" N  6° 34' 38" W  View metadata report for BODC series reference number 1721292
17213352015-08-12 11:52 51° 7' 23" N  6° 34' 34" W  View metadata report for BODC series reference number 1721335
17213842015-08-18 17:10 50° 31' 14" N  7° 1' 58" W  View metadata report for BODC series reference number 1721384
17214032015-08-19 13:05 50° 34' 33" N  7° 6' 17" W  View metadata report for BODC series reference number 1721403
17215932015-08-18 16:06 50° 31' 13" N  7° 1' 33" W  View metadata report for BODC series reference number 1721593
17212792015-08-08 15:22 51° 4' 1" N  6° 34' 55" W  View metadata report for BODC series reference number 1721279
17213722015-08-16 08:10 50° 31' 16" N  7° 2' 48" W  View metadata report for BODC series reference number 1721372
17213962015-08-19 09:35 50° 31' 2" N  7° 2' 19" W  View metadata report for BODC series reference number 1721396
17214152015-08-20 19:12 50° 34' 34" N  7° 6' 18" W  View metadata report for BODC series reference number 1721415
17214272015-08-21 06:07 50° 31' 1" N  7° 1' 46" W  View metadata report for BODC series reference number 1721427
17214762015-08-24 18:54 50° 34' 6" N  7° 6' 10" W  View metadata report for BODC series reference number 1721476
17214882015-08-29 16:27 51° 13' 49" N  6° 8' 1" W  View metadata report for BODC series reference number 1721488
17215192015-08-30 10:07 50° 35' 43" N  7° 1' 7" W  View metadata report for BODC series reference number 1721519
17212672015-08-08 01:25 51° 12' 39" N  6° 7' 51" W  View metadata report for BODC series reference number 1721267
17213112015-08-11 16:31 51° 4' 20" N  6° 34' 52" W  View metadata report for BODC series reference number 1721311
17213592015-08-13 15:50 51° 4' 21" N  6° 34' 53" W  View metadata report for BODC series reference number 1721359
17213602015-08-15 16:09 51° 12' 49" N  6° 8' 13" W  View metadata report for BODC series reference number 1721360
17214642015-08-23 18:15 49° 23' 52" N  8° 35' 58" W  View metadata report for BODC series reference number 1721464
17215562015-08-11 15:32 51° 4' 20" N  6° 34' 52" W  View metadata report for BODC series reference number 1721556
17216242015-08-29 06:16 51° 4' 21" N  6° 34' 50" W  View metadata report for BODC series reference number 1721624
17216362015-08-31 08:21 48° 34' 14" N  9° 30' 34" W  View metadata report for BODC series reference number 1721636
17213232015-08-11 17:36 51° 4' 20" N  6° 34' 51" W  View metadata report for BODC series reference number 1721323
17214522015-08-23 11:28 49° 24' 25" N  8° 35' 52" W  View metadata report for BODC series reference number 1721452
17216122015-08-22 18:24 49° 24' 24" N  8° 35' 59" W  View metadata report for BODC series reference number 1721612
17212802015-08-09 19:02 51° 12' 33" N  6° 7' 48" W  View metadata report for BODC series reference number 1721280
17215202015-08-31 09:54 48° 34' 14" N  9° 30' 34" W  View metadata report for BODC series reference number 1721520
17215322015-08-07 22:33 51° 12' 38" N  6° 7' 49" W  View metadata report for BODC series reference number 1721532
17214392015-08-22 07:30 48° 30' 49" N  9° 44' 53" W  View metadata report for BODC series reference number 1721439
17215072015-08-30 05:01 50° 34' 20" N  7° 6' 14" W  View metadata report for BODC series reference number 1721507
17215442015-08-08 00:12 51° 12' 39" N  6° 7' 51" W  View metadata report for BODC series reference number 1721544
17215682015-08-16 06:13 50° 33' 29" N  7° 0' 4" W  View metadata report for BODC series reference number 1721568
17214402015-08-22 16:25 49° 23' 41" N  8° 35' 16" W  View metadata report for BODC series reference number 1721440
17215812015-08-16 07:00 50° 31' 15" N  7° 2' 17" W  View metadata report for BODC series reference number 1721581
17216002015-08-19 12:12 50° 34' 33" N  7° 6' 17" W  View metadata report for BODC series reference number 1721600
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
[Show series]
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
[Hide series]

BODC idDate/TimeLocationDoc.
19718682015-08-06 00:00  — 2015-09-02 06:40:30 48° 20' 8" N  9° 44' 55" W — 51° 14' 34" N  1° 17' 20" W  View metadata report for BODC series reference number 1971868
1  Multi-beam echosounder
Horizontal spatial co-ordinates
Date and time
Platform or instrument orientation
Horizontal platform movement
Bathymetry and Elevation
[Show series]
Horizontal spatial co-ordinates
Date and time
Platform or instrument orientation
Horizontal platform movement
Bathymetry and Elevation
[Hide series]

BODC idDate/TimeLocationDoc.
19718562015-08-06 00:00  — 2015-09-02 06:40:30 48° 20' 8" N  9° 44' 55" W — 51° 14' 34" N  1° 17' 20" W  View metadata report for BODC series reference number 1971856
1  Multiple instrument types
Horizontal spatial co-ordinates
Transmittance and attenuance of the water column
Date and time
Salinity of the water column
Temperature of the water column
Electrical conductivity of the water column
Raw fluorometer output
Metadata parameters
Chlorophyll pigment concentrations in water bodies
[Show series]
Horizontal spatial co-ordinates
Transmittance and attenuance of the water column
Date and time
Salinity of the water column
Temperature of the water column
Electrical conductivity of the water column
Raw fluorometer output
Metadata parameters
Chlorophyll pigment concentrations in water bodies
[Hide series]

BODC idDate/TimeLocationDoc.
19718812015-08-06 00:00  — 2015-09-02 06:40:30 48° 20' 8" N  9° 44' 55" W — 51° 14' 34" N  1° 17' 20" W  View metadata report for BODC series reference number 1971881
1  Pumped water sample
Horizontal spatial co-ordinates
Total dissolved inorganic carbon (TCO2) concentration in the water column
Date and time
Alkalinity, acidity and pH of the water column
[Show series]
Horizontal spatial co-ordinates
Total dissolved inorganic carbon (TCO2) concentration in the water column
Date and time
Alkalinity, acidity and pH of the water column
[Hide series]

BODC idDate/TimeLocationDoc.
21374332015-08-07 14:55  — 2015-08-30 12:31 49° 12' 33" N  8° 51' 2" W — 51° 11' 6" N  5° 45' 9" W  View metadata report for BODC series reference number 2137433
Discrete samples 
15  Autonomous Underwater Vehicle deployment
4  Bottom Lander
354  Box coreNutrient concentrations in sediment pore waters
25  CTD frame plus rosette samplerTotal dissolved inorganic carbon (TCO2) concentration in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Salinity of the water column
Silicate concentration parameters in the water column
Ammonium and ammonia concentration parameters in water bodies
Nitrate concentration parameters in the water column
Alkalinity, acidity and pH of the water column
2  Gravity Corer
16  Multicorer
75  Sample taken from ship's non-toxic supplyTotal dissolved inorganic carbon (TCO2) concentration in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Salinity of the water column
Silicate concentration parameters in the water column
Ammonium and ammonia concentration parameters in water bodies
Nitrate concentration parameters in the water column
Alkalinity, acidity and pH of the water column
11  Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Salinity of the water column
Silicate concentration parameters in the water column
Ammonium and ammonia concentration parameters in water bodies
Nitrate concentration parameters in the water column
19  
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