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RRS Discovery DY030

Cruise summary report

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Cruise Info. 
Ship name (ship code)RRS Discovery (74EQ)
Cruise identifierDY030
Cruise period2015-05-04 — 2015-05-25
StatusCompleted
Port of departureSouthampton, United Kingdom
Port of returnSouthampton, United Kingdom
PurposeResearch
ObjectivesThe Shelf Sea Biogeochemistry research programme directly relates to the delivery of the NERC Earth system science theme and aims to provide evidence that supports a number of marine policy areas and statutory requirements, such as the Marine Strategy Framework Directive and Marine and Climate Acts.
The shelf seas are highly productive compared to the open ocean, a productivity that underpins more than 90 per cent of global fisheries. Their importance to society extends beyond food production to include issues of biodiversity, carbon cycling and storage, waste disposal, nutrient cycling, recreation and renewable energy resources.
The shelf seas have been estimated to be the most valuable biome on Earth, but they are under considerable stress, as a result of anthropogenic nutrient loading, overfishing, habitat disturbance, climate change and other impacts.
However, even within the relatively well-studied European shelf seas, fundamental biogeochemical processes are poorly understood. For example: the role of shelf seas in carbon storage; in the global cycles of key nutrients (nitrogen, phosphorus, silicon and iron); and in determining primary and secondary production, and thereby underpinning the future delivery of many other ecosystem services.
Improved knowledge of such factors is not only required by marine policymakers; it also has the potential to increase the quality and cost-effectiveness of management decisions at the local, national and international levels under conditions of climate change.
The Shelf Sea Biogeochemistry research programme will take a holistic approach to the cycling of nutrients and carbon and the controls on primary and secondary production in UK and European shelf seas, to increase understanding of these processes and their role in wider biogeochemical cycles. It will thereby significantly improve predictive marine biogeochemical and ecosystem models over a range of scales.
The scope of the programme includes exchanges with the open ocean (transport on and off the shelf to a depth of around 500m), together with cycling, storage and release processes on the shelf slope, and air-sea exchange of greenhouse gases (carbon dioxide and nitrous oxide).
The DY030 cruise is the third of the four Benthic SSB research cruises to investigate the 4 main 'represenatative' sites in the Celtic Sea that represent the various sediment types found in the whole area, these being mud, sand, sandy-mud and muddy-sand. The cruise will also carry out complimentary sampling at the Pelagic SSB programme main site 'CANDYFLOSS' in the central Shelf area in order to better link the Benthic and Pelagic programmes. DY030 will also deploy a number of gliders which will also enable a better understanding of the central shelf area and link into Pelagic programme.
Chief scientistGary Fones (University of Southampton School of Ocean and Earth Science)
ProjectShelf Sea Biogeochemistry
Ocean/sea areas 
GeneralCeltic Sea
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 21
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 profiles = 33
Description: 792 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 profiles = 8
Description: CTD casts (SBE911plus CTD and auxilliary sensors, titanium frame) - 173 Niskin bottles
Transparency (eg transmissometer)Quantity: activity duration in days = 21
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 profiles = 8
Description: CTD casts (SBE911plus CTD and auxilliary sensors, titanium frame) - 173 Niskin bottles
Optics (eg underwater light levels)Quantity: number of profiles = 8
Description: CTD casts (SBE911plus CTD and auxilliary sensors, titanium frame) - 173 Niskin bottles
Current profiler (eg ADCP)Quantity: activity duration in days = 21
Description: Underway measurements from vessel-mounted ADCP (Teledyne RDI Ocean Surveyors 150 kHz)
Surface drifters/drifting buoysQuantity: number of stations = 8
Description: PML Buoy (surface profiles of S, T, CO2, DIC/TA)
Other physical oceanographic measurementsQuantity: number of stations = 5
Description: Cross-sections of sediment cores to be analysed for carbon cycling.
Chemical oceanography 
OxygenQuantity: number of profiles = 8
Description: CTD casts (SBE911plus CTD and auxilliary sensors, titanium frame) - 173 Niskin bottles
OxygenQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
OxygenQuantity: number of samples = 176
Description: Oxygen bottle samples from CTD bottles (Winkler titration)
Carbon dioxideQuantity: number of stations = 8
Description: PML Buoy (surface profiles of S, T, CO2, DIC/TA)
Carbon dioxideQuantity: activity duration in days = 21
Description: Underway measurements from pCO2 system.
Other dissolved gasesQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
PhosphateQuantity: number of stations = 20
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
PhosphateQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
NitrateQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
NitrateQuantity: number of stations = 20
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
NitriteQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
AmmoniaQuantity: number of stations = 20
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
AmmoniaQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
SilicateQuantity: number of stations = 6
Description: Chlorophyll-a, phytoplankton lugol's, biogenic silica (PSi) and particulate inorganic carbon (PIC) samples from CTD bottles
SilicateQuantity: number of stations = 20
Description: Inorganic nutrients (nitrate, phosphate, silicate, ammonia) from CTD bottles and clean seawater pumped supply
SilicateQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
AlkalinityQuantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN), dissolved inorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
AlkalinityQuantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN)
AlkalinityQuantity: number of stations = 8
Description: PML Buoy (surface profiles of S, T, CO2, DIC/TA)
pHQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
Trace elementsQuantity: number of stations = 8
Description: Neodymium isotopes (Nd)
Trace elementsQuantity: number of stations = 1
Description: Base rates of O2, C, N and other nutrient cycling from high permeability sediments
Trace elementsQuantity: number of stations = 8
Description: Iron speciation, form and isotopes (dTM, tdTM, tdFe, dFe, Sfe, pFe, dFe ISO, pFe ISO, ligands) from CTD bottles
IsotopesQuantity: number of stations = 11
Description: Radium isotope measurements from CTD bottles, megacores and MAPS
IsotopesQuantity: number of stations = 5
Description: Cross-sections of sediment cores to be analysed for carbon cycling.
Other chemical oceanographic measurementsQuantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN)
Other chemical oceanographic measurementsQuantity: number of stations = 6
Description: Chlorophyll-a, phytoplankton lugol's, biogenic silica (PSi) and particulate inorganic carbon (PIC) samples from CTD bottles
Other chemical oceanographic measurementsQuantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN), dissolved inorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
Contamination 
Suspended matterQuantity: number of stations = 82
Description: Suspended particulate matter (SPM) samples from CTD bottles
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 6
Description: Chlorophyll-a, phytoplankton lugol's, biogenic silica (PSi) and particulate inorganic carbon (PIC) samples from CTD bottles
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 6
Description: HPLC pigments from CTD bottles
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 21
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
Particulate organic matter (inc POC, PON)Quantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN)
Particulate organic matter (inc POC, PON)Quantity: number of stations = 5
Description: Cross-sections of sediment cores to be analysed for carbon cycling.
Particulate organic matter (inc POC, PON)Quantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN), dissolved inorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
Dissolved organic matter (inc DOC)Quantity: number of stations = 17
Description: Coloured dissolved organic matter (CDOM) from CTD bottles
Dissolved organic matter (inc DOC)Quantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN), dissolved inorganic carbon (DIC) and total alkalinity (TA) from CTD bottles and clean seawater pumped supply
Dissolved organic matter (inc DOC)Quantity: number of stations = 11
Description: Dissolved (DOC, DOM, TDN) and particulate organic matter (POC, POM, PC, PN)
PhytoplanktonQuantity: number of stations = 6
Description: HPLC pigments from CTD bottles
PhytoplanktonQuantity: number of stations = 6
Description: Chlorophyll-a, phytoplankton lugol's, biogenic silica (PSi) and particulate inorganic carbon (PIC) samples from CTD bottles
Benthic bacteria/micro-organismsQuantity: number of stations = 75
Description: NIOZ cores (5 per station and spatial survey) for macrofauna and meiofauna
Benthic bacteria/micro-organismsQuantity: number of stations = 4
Description: Microbial community structure, microbial biomass and HPLC pigments from NIOZ cores
Demersal fishQuantity: number of stations = 5
Description: 5 minute Trawls for epifauna (species abundance and biomass)
MolluscsQuantity: number of stations = 5
Description: 5 minute Trawls for epifauna (species abundance and biomass)
MolluscsQuantity: number of stations = 75
Description: NIOZ cores (5 per station and spatial survey) for macrofauna and meiofauna
MolluscsQuantity: number of stations = 5
Description: SMBA cores (5 per station) for megainfauna (species abundance and biomass)
CrustaceansQuantity: number of stations = 5
Description: SMBA cores (5 per station) for megainfauna (species abundance and biomass)
CrustaceansQuantity: number of stations = 75
Description: NIOZ cores (5 per station and spatial survey) for macrofauna and meiofauna
CrustaceansQuantity: number of stations = 5
Description: 5 minute Trawls for epifauna (species abundance and biomass)
Other biological/fisheries measurementQuantity: number of stations = 5
Description: Cross-sections of sediment cores to be analysed for carbon cycling.
Meteorology 
Routine standard measurementsQuantity: activity duration in days = 21
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 = 340
Description: Coring for benthic observations and incubations (NIOZ corer, NOC megacorer, SMBA boxcorer)
Bottom photographyQuantity: number of stations = 4
Description: SPI camera surveys for images of sediment cross sections
Bottom photographyQuantity: number of stations = 4
Description: sediment pH using CHEM SPI and NIOZ cores
In-situ seafloor measurement/samplingQuantity: number of stations = 4
Description: In-situ benthic sediment resuspension flume experiments
Other geological/geophysical measurementsQuantity: number of stations = 4
Description: Bioturbation and bioirrigation incubations using NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 5
Description: Nitrification and denitrification rates using NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 3
Description: Sediment resuspension mini-flume incubations using NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 69
Description: Nutrient (nitrate, silicate, phosphate) and dissolved organic matter (DOC, DOP, DON) analysis from porewaters in NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 5
Description: Pulse chase experiments looking at carbon, nitrogen and oxygen uptake in fauna and bacteria using NIOZ cores.
Other geological/geophysical measurementsQuantity: number of stations = 4
Description: Oxygen uptake and carbon turnover incubations using NIOZ cores
Other geological/geophysical measurementsQuantity: number of stations = 5
Description: Nutrient flux incubations using NIOZ cores
Moorings, landers, buoys 
Physical oceanography 
Subsurface temperature and salinity measurements51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 11/05/2015 06:10, recovered 11/05/2015 17:55
Subsurface temperature and salinity measurements51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 12/05/2015 07:30, recovered 12/05/2015 16:23
Subsurface temperature and salinity measurements51° 4' 59" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 07/05/2015 12:05, recovered 07/05/2015 13:49
Subsurface temperature and salinity measurements48° 37' 0" N  9° 49' 59" W — Glider deployment (408 - Growler). Deployed 22/05/15, 09.17)
Subsurface temperature and salinity measurements49° 23' 59" N  8° 37' 0" W — Glider deployment (306 - Zephir). Deployed 21/05/15, 06.22)
Subsurface temperature and salinity measurements51° 6' 0" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 13/05/2015 12:37, recovered 14/05/2015 6:27 (Benthic A)
Subsurface temperature and salinity measurements49° 25' 0" N  8° 33' 0" W — Glider recovery (397). Recovered 21/05/15, 08.45)
Subsurface temperature and salinity measurements49° 25' 0" N  8° 37' 59" W — Glider deployment (399 - Raleigh). Deployed 21/05/15, 05.48)
Subsurface temperature and salinity measurements50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 20/05/2015 10:28, recovered 20/05/2015 16:58
Subsurface temperature and salinity measurements50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 16/05/2015 09:01, recovered 16/05/2015 19:05
Subsurface temperature and salinity measurements50° 4' 0" N  7° 1' 59" W — Glider Recovery (09/05/2015, 06.46)
Transparency (eg transmissometer)51° 7' 59" N  6° 7' 59" W — Cefas SmartBuoy deployment (09/05/2015, 13:51)
Transparency (eg transmissometer)51° 7' 59" N  6° 34' 0" W — Cefas SmartBuoy recovery (08/05/2015, 10:45)
Transparency (eg transmissometer)49° 25' 0" N  8° 33' 0" W — Glider recovery (397). Recovered 21/05/15, 08.45)
Transparency (eg transmissometer)49° 23' 59" N  8° 37' 0" W — Glider deployment (306 - Zephir). Deployed 21/05/15, 06.22)
Transparency (eg transmissometer)50° 4' 0" N  7° 1' 59" W — Glider Recovery (09/05/2015, 06.46)
Transparency (eg transmissometer)51° 7' 59" N  6° 34' 0" W — Cefas Lander recovery (08/05/2015, 12:29)
Transparency (eg transmissometer)51° 7' 59" N  6° 34' 0" W — Cefas Lander deployment (09/05/2015, 15:15)
Transparency (eg transmissometer)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy recovery (21/05/2015, 15:32)
Transparency (eg transmissometer)50° 34' 59" N  7° 1' 59" W — Cefas Lander recovery (15/05/2015, 08:08)
Transparency (eg transmissometer)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy deployment (23/05/2015, 07:56)
Transparency (eg transmissometer)48° 37' 0" N  9° 49' 59" W — Glider deployment (408 - Growler). Deployed 22/05/15, 09.17)
Transparency (eg transmissometer)49° 25' 0" N  8° 37' 59" W — Glider deployment (399 - Raleigh). Deployed 21/05/15, 05.48)
Transparency (eg transmissometer)50° 36' 0" N  7° 1' 0" W — Cefas Lander deployment (16/05/2015, 06:15)
Optics (eg underwater light levels)50° 36' 0" N  7° 1' 0" W — Cefas Lander deployment (16/05/2015, 06:15)
Optics (eg underwater light levels)51° 7' 59" N  6° 34' 0" W — Cefas Lander recovery (08/05/2015, 12:29)
Optics (eg underwater light levels)51° 7' 59" N  6° 34' 0" W — Cefas Lander deployment (09/05/2015, 15:15)
Optics (eg underwater light levels)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy recovery (21/05/2015, 15:32)
Optics (eg underwater light levels)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy deployment (23/05/2015, 07:56)
Optics (eg underwater light levels)51° 7' 59" N  6° 7' 59" W — Cefas SmartBuoy deployment (09/05/2015, 13:51)
Optics (eg underwater light levels)50° 34' 59" N  7° 1' 59" W — Cefas Lander recovery (15/05/2015, 08:08)
Optics (eg underwater light levels)51° 7' 59" N  6° 34' 0" W — Cefas SmartBuoy recovery (08/05/2015, 10:45)
Current profiler (eg ADCP)51° 4' 0" N  6° 34' 59" W — Mini-STABLE Lander (deployed 08/05/2015, recovered 13/05/2015)
Current profiler (eg ADCP)51° 7' 59" N  6° 7' 59" W — Cefas SmartBuoy deployment (09/05/2015, 13:51)
Current profiler (eg ADCP)50° 34' 0" N  7° 5' 59" W — Mini-STABLE Lander (deployed 17/05/2015, 05:52; recovered 20/05/15, 09:06)
Current profiler (eg ADCP)51° 7' 59" N  6° 34' 0" W — Cefas SmartBuoy recovery (08/05/2015, 10:45)
Current profiler (eg ADCP)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy deployment (23/05/2015, 07:56)
Current profiler (eg ADCP)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy recovery (21/05/2015, 15:32)
Current profiler (eg ADCP)49° 23' 59" N  8° 37' 0" W — Mini-STABLE Lander (deployed 21/05/2015, 13:47; recovered 23/05/15, 09:40)
Other physical oceanographic measurements49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy recovery (21/05/2015, 15:32)
Other physical oceanographic measurements51° 7' 59" N  6° 34' 0" W — Cefas Lander recovery (08/05/2015, 12:29)
Other physical oceanographic measurements50° 34' 59" N  7° 1' 59" W — Cefas Lander recovery (15/05/2015, 08:08)
Other physical oceanographic measurements51° 7' 59" N  6° 34' 0" W — Cefas Lander deployment (09/05/2015, 15:15)
Other physical oceanographic measurements49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy deployment (23/05/2015, 07:56)
Other physical oceanographic measurements51° 7' 59" N  6° 34' 0" W — Cefas SmartBuoy recovery (08/05/2015, 10:45)
Other physical oceanographic measurements50° 34' 0" N  7° 5' 59" W — Mini-STABLE Lander (deployed 17/05/2015, 05:52; recovered 20/05/15, 09:06)
Other physical oceanographic measurements51° 4' 0" N  6° 34' 59" W — Mini-STABLE Lander (deployed 08/05/2015, recovered 13/05/2015)
Other physical oceanographic measurements50° 36' 0" N  7° 1' 0" W — Cefas Lander deployment (16/05/2015, 06:15)
Other physical oceanographic measurements49° 23' 59" N  8° 37' 0" W — Mini-STABLE Lander (deployed 21/05/2015, 13:47; recovered 23/05/15, 09:40)
Other physical oceanographic measurements51° 7' 59" N  6° 7' 59" W — Cefas SmartBuoy deployment (09/05/2015, 13:51)
Chemical oceanography 
Oxygen51° 7' 59" N  6° 7' 59" W — Cefas SmartBuoy deployment (09/05/2015, 13:51)
Oxygen51° 7' 59" N  6° 34' 0" W — Cefas SmartBuoy recovery (08/05/2015, 10:45)
Oxygen50° 36' 0" N  7° 1' 0" W — Cefas Lander deployment (16/05/2015, 06:15)
Oxygen49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy recovery (21/05/2015, 15:32)
Oxygen50° 34' 59" N  7° 1' 59" W — Cefas Lander recovery (15/05/2015, 08:08)
Oxygen49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy deployment (23/05/2015, 07:56)
Oxygen51° 7' 59" N  6° 34' 0" W — Cefas Lander deployment (09/05/2015, 15:15)
Oxygen49° 23' 59" N  8° 37' 0" W — Mini-STABLE Lander (deployed 21/05/2015, 13:47; recovered 23/05/15, 09:40)
Oxygen51° 4' 0" N  6° 34' 59" W — Mini-STABLE Lander (deployed 08/05/2015, recovered 13/05/2015)
Oxygen50° 34' 0" N  7° 5' 59" W — Mini-STABLE Lander (deployed 17/05/2015, 05:52; recovered 20/05/15, 09:06)
Oxygen51° 7' 59" N  6° 34' 0" W — Cefas Lander recovery (08/05/2015, 12:29)
Nitrate51° 4' 0" N  6° 34' 59" W — Mini-STABLE Lander (deployed 08/05/2015, recovered 13/05/2015)
Nitrate50° 34' 0" N  7° 5' 59" W — Mini-STABLE Lander (deployed 17/05/2015, 05:52; recovered 20/05/15, 09:06)
Nitrate49° 23' 59" N  8° 37' 0" W — Mini-STABLE Lander (deployed 21/05/2015, 13:47; recovered 23/05/15, 09:40)
Contamination 
Suspended matter51° 4' 0" N  6° 34' 59" W — Mini-STABLE Lander (deployed 08/05/2015, recovered 13/05/2015)
Suspended matter49° 23' 59" N  8° 37' 0" W — Mini-STABLE Lander (deployed 21/05/2015, 13:47; recovered 23/05/15, 09:40)
Suspended matter50° 34' 0" N  7° 5' 59" W — Mini-STABLE Lander (deployed 17/05/2015, 05:52; recovered 20/05/15, 09:06)
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)49° 25' 0" N  8° 33' 0" W — Glider recovery (397). Recovered 21/05/15, 08.45)
Phytoplankton pigs (eg chlorophyll, fluorescence)50° 36' 0" N  7° 1' 0" W — Cefas Lander deployment (16/05/2015, 06:15)
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 7' 59" N  6° 34' 0" W — Cefas Lander recovery (08/05/2015, 12:29)
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 7' 59" N  6° 34' 0" W — Cefas Lander deployment (09/05/2015, 15:15)
Phytoplankton pigs (eg chlorophyll, fluorescence)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy recovery (21/05/2015, 15:32)
Phytoplankton pigs (eg chlorophyll, fluorescence)50° 34' 59" N  7° 1' 59" W — Cefas Lander recovery (15/05/2015, 08:08)
Phytoplankton pigs (eg chlorophyll, fluorescence)49° 23' 59" N  8° 35' 59" W — Cefas SmartBuoy deployment (23/05/2015, 07:56)
Phytoplankton pigs (eg chlorophyll, fluorescence)48° 37' 0" N  9° 49' 59" W — Glider deployment (408 - Growler). Deployed 22/05/15, 09.17)
Phytoplankton pigs (eg chlorophyll, fluorescence)49° 23' 59" N  8° 37' 0" W — Glider deployment (306 - Zephir). Deployed 21/05/15, 06.22)
Phytoplankton pigs (eg chlorophyll, fluorescence)49° 25' 0" N  8° 37' 59" W — Glider deployment (399 - Raleigh). Deployed 21/05/15, 05.48)
Phytoplankton pigs (eg chlorophyll, fluorescence)50° 4' 0" N  7° 1' 59" W — Glider Recovery (09/05/2015, 06.46)
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 7' 59" N  6° 7' 59" W — Cefas SmartBuoy deployment (09/05/2015, 13:51)
Phytoplankton pigs (eg chlorophyll, fluorescence)51° 7' 59" N  6° 34' 0" W — Cefas SmartBuoy recovery (08/05/2015, 10:45)
Demersal fish51° 6' 0" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 13/05/2015 12:37, recovered 14/05/2015 6:27 (Benthic A)
Demersal fish51° 4' 59" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 07/05/2015 12:05, recovered 07/05/2015 13:49
Demersal fish50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 20/05/2015 10:28, recovered 20/05/2015 16:58
Demersal fish50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 16/05/2015 09:01, recovered 16/05/2015 19:05
Demersal fish51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 12/05/2015 07:30, recovered 12/05/2015 16:23
Demersal fish51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 11/05/2015 06:10, recovered 11/05/2015 17:55
Molluscs51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 12/05/2015 07:30, recovered 12/05/2015 16:23
Molluscs50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 20/05/2015 10:28, recovered 20/05/2015 16:58
Molluscs50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 16/05/2015 09:01, recovered 16/05/2015 19:05
Molluscs51° 4' 59" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 07/05/2015 12:05, recovered 07/05/2015 13:49
Molluscs51° 6' 0" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 13/05/2015 12:37, recovered 14/05/2015 6:27 (Benthic A)
Molluscs51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 11/05/2015 06:10, recovered 11/05/2015 17:55
Crustaceans50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 16/05/2015 09:01, recovered 16/05/2015 19:05
Crustaceans51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 11/05/2015 06:10, recovered 11/05/2015 17:55
Crustaceans51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 12/05/2015 07:30, recovered 12/05/2015 16:23
Crustaceans50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 20/05/2015 10:28, recovered 20/05/2015 16:58
Crustaceans51° 6' 0" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 13/05/2015 12:37, recovered 14/05/2015 6:27 (Benthic A)
Crustaceans51° 4' 59" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 07/05/2015 12:05, recovered 07/05/2015 13:49
Geology and geophysics 
Bottom photography51° 6' 0" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 13/05/2015 12:37, recovered 14/05/2015 6:27 (Benthic A)
Bottom photography50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 20/05/2015 10:28, recovered 20/05/2015 16:58
Bottom photography50° 34' 0" N  7° 5' 59" W — Mini-STABLE Lander (deployed 17/05/2015, 05:52; recovered 20/05/15, 09:06)
Bottom photography50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 16/05/2015 09:01, recovered 16/05/2015 19:05
Bottom photography51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 11/05/2015 06:10, recovered 11/05/2015 17:55
Bottom photography49° 23' 59" N  8° 37' 0" W — Mini-STABLE Lander (deployed 21/05/2015, 13:47; recovered 23/05/15, 09:40)
Bottom photography51° 4' 59" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 07/05/2015 12:05, recovered 07/05/2015 13:49
Bottom photography51° 4' 0" N  6° 34' 59" W — Mini-STABLE Lander (deployed 08/05/2015, recovered 13/05/2015)
Bottom photography51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 12/05/2015 07:30, recovered 12/05/2015 16:23
In-situ seafloor measurement/sampling51° 4' 0" N  6° 34' 59" W — Mini-STABLE Lander (deployed 08/05/2015, recovered 13/05/2015)
In-situ seafloor measurement/sampling51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 11/05/2015 06:10, recovered 11/05/2015 17:55
In-situ seafloor measurement/sampling49° 23' 59" N  8° 37' 0" W — Mini-STABLE Lander (deployed 21/05/2015, 13:47; recovered 23/05/15, 09:40)
In-situ seafloor measurement/sampling50° 34' 59" N  7° 1' 59" W — Cefas Lander recovery (15/05/2015, 08:08)
In-situ seafloor measurement/sampling51° 7' 59" N  6° 34' 0" W — Cefas Lander recovery (08/05/2015, 12:29)
In-situ seafloor measurement/sampling50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 20/05/2015 10:28, recovered 20/05/2015 16:58
In-situ seafloor measurement/sampling51° 4' 59" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 07/05/2015 12:05, recovered 07/05/2015 13:49
In-situ seafloor measurement/sampling50° 34' 0" N  7° 5' 59" W — Mini-STABLE Lander (deployed 17/05/2015, 05:52; recovered 20/05/15, 09:06)
In-situ seafloor measurement/sampling50° 36' 0" N  7° 5' 59" W — Autosub3 (Benthic I). Deployed 16/05/2015 09:01, recovered 16/05/2015 19:05
In-situ seafloor measurement/sampling51° 7' 59" N  6° 34' 0" W — Cefas Lander deployment (09/05/2015, 15:15)
In-situ seafloor measurement/sampling50° 36' 0" N  7° 1' 0" W — Cefas Lander deployment (16/05/2015, 06:15)
In-situ seafloor measurement/sampling51° 6' 0" N  6° 34' 59" W — Autosub3 (Benthic G). Deployed 13/05/2015 12:37, recovered 14/05/2015 6:27 (Benthic A)
In-situ seafloor measurement/sampling51° 13' 59" N  6° 7' 59" W — Autosub3 (Benthic A). Deployed 12/05/2015 07:30, recovered 12/05/2015 16:23
Data held at BODC Get data
Series/Profiles 
35  Bottle station
Reference numbers
Total dissolved inorganic carbon (TCO2) concentration in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Silicate concentration parameters in the water column
Ammonium and ammonia concentration parameters in water bodies
Nitrate concentration parameters in the water column
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
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Silicate concentration parameters in the water column
Ammonium and ammonia concentration parameters in water bodies
Nitrate concentration parameters in the water column
Quality control flags
Alkalinity, acidity and pH of the water column
[Hide series]

BODC idDate/TimeLocationDoc.
21234012015-05-17 11:25 50° 31' 19" N  7° 2' 7" W  View metadata report for BODC series reference number 2123401
21234132015-05-22 16:26:30 48° 34' 12" N  9° 30' 37" W  View metadata report for BODC series reference number 2123413
21234252015-05-23 07:00 49° 24' 13" N  8° 36' 25" W  View metadata report for BODC series reference number 2123425
21377342015-05-06 14:09 51° 4' 29" N  6° 35' 3" W  View metadata report for BODC series reference number 2137734
21377582015-05-10 05:20 51° 12' 33" N  6° 8' 14" W  View metadata report for BODC series reference number 2137758
21378022015-05-20 05:24 50° 31' 11" N  7° 2' 20" W  View metadata report for BODC series reference number 2137802
21378512015-05-23 05:57 49° 24' 13" N  8° 36' 25" W  View metadata report for BODC series reference number 2137851
21377712015-05-12 09:50 51° 12' 37" N  6° 7' 57" W  View metadata report for BODC series reference number 2137771
21378142015-05-21 07:35 49° 24' 25" N  8° 37' 4" W  View metadata report for BODC series reference number 2137814
21324042015-05-10 05:20 51° 12' 33" N  6° 8' 14" W  View metadata report for BODC series reference number 2132404
21323972015-05-08 14:57:30 51° 4' 30" N  6° 35' 4" W  View metadata report for BODC series reference number 2132397
21325082015-05-21 07:35 49° 24' 25" N  8° 37' 4" W  View metadata report for BODC series reference number 2132508
21324902015-05-20 06:59 50° 34' 19" N  7° 6' 31" W  View metadata report for BODC series reference number 2132490
21325692015-05-23 08:40 49° 24' 6" N  8° 36' 20" W  View metadata report for BODC series reference number 2132569
21324892015-05-20 05:24 50° 31' 11" N  7° 2' 20" W  View metadata report for BODC series reference number 2132489
21325332015-05-22 12:28:30 48° 37' 9" N  9° 49' 12" W  View metadata report for BODC series reference number 2132533
21233702015-05-06 17:17 51° 4' 29" N  6° 35' 3" W  View metadata report for BODC series reference number 2123370
21233822015-05-10 09:25 51° 12' 33" N  6° 8' 14" W  View metadata report for BODC series reference number 2123382
21378262015-05-22 12:28:30 48° 37' 9" N  9° 49' 12" W  View metadata report for BODC series reference number 2137826
21324282015-05-14 12:47 50° 34' 34" N  7° 6' 9" W  View metadata report for BODC series reference number 2132428
21325212015-05-21 14:52 49° 23' 53" N  8° 36' 55" W  View metadata report for BODC series reference number 2132521
21377832015-05-14 12:47 50° 34' 34" N  7° 6' 9" W  View metadata report for BODC series reference number 2137783
21378382015-05-22 15:11 48° 34' 12" N  9° 30' 37" W  View metadata report for BODC series reference number 2137838
21233942015-05-14 15:34 50° 34' 34" N  7° 6' 9" W  View metadata report for BODC series reference number 2123394
21324412015-05-15 06:20:30 50° 35' 24" N  7° 1' 23" W  View metadata report for BODC series reference number 2132441
21324532015-05-16 07:40 50° 35' 41" N  7° 1' 28" W  View metadata report for BODC series reference number 2132453
21324652015-05-17 07:03:30 50° 34' 30" N  7° 6' 58" W  View metadata report for BODC series reference number 2132465
21325452015-05-22 15:11 48° 34' 12" N  9° 30' 37" W  View metadata report for BODC series reference number 2132545
21377952015-05-17 09:14 50° 31' 19" N  7° 2' 7" W  View metadata report for BODC series reference number 2137795
21323732015-05-06 14:09 51° 4' 29" N  6° 35' 3" W  View metadata report for BODC series reference number 2132373
21323852015-05-08 08:41:30 51° 8' 28" N  6° 34' 23" W  View metadata report for BODC series reference number 2132385
21324162015-05-12 09:50 51° 12' 37" N  6° 7' 57" W  View metadata report for BODC series reference number 2132416
21324772015-05-17 09:14 50° 31' 19" N  7° 2' 7" W  View metadata report for BODC series reference number 2132477
21325572015-05-23 05:57 49° 24' 13" N  8° 36' 25" W  View metadata report for BODC series reference number 2132557
21377462015-05-08 14:57:30 51° 4' 30" N  6° 35' 4" W  View metadata report for BODC series reference number 2137746
41  CTD/STD cast
Reference numbers
Transmittance and attenuance of the water column
Salinity of the water column
Optical backscatter
Vertical spatial coordinates
Dissolved oxygen parameters in 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
Salinity of the water column
Optical backscatter
Vertical spatial coordinates
Dissolved oxygen parameters in 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.
16247502015-05-12 09:39 51° 12' 37" N  6° 7' 57" W  View metadata report for BODC series reference number 1624750
16249462015-05-21 09:36 49° 23' 49" N  8° 36' 12" W  View metadata report for BODC series reference number 1624946
16245892015-05-06 17:03 51° 4' 29" N  6° 35' 3" W  View metadata report for BODC series reference number 1624589
16247252015-05-10 05:09 51° 12' 33" N  6° 8' 14" W  View metadata report for BODC series reference number 1624725
16247622015-05-12 10:53 51° 12' 37" N  6° 7' 57" W  View metadata report for BODC series reference number 1624762
16247862015-05-13 08:51 51° 4' 27" N  6° 35' 5" W  View metadata report for BODC series reference number 1624786
16248292015-05-15 06:10 50° 35' 24" N  7° 1' 23" W  View metadata report for BODC series reference number 1624829
16248302015-05-16 07:28 50° 35' 41" N  7° 1' 28" W  View metadata report for BODC series reference number 1624830
16248662015-05-17 06:49 50° 34' 30" N  7° 6' 58" W  View metadata report for BODC series reference number 1624866
16246212015-05-14 15:23 50° 34' 34" N  7° 6' 9" W  View metadata report for BODC series reference number 1624621
16247132015-05-09 17:03 51° 8' 16" N  6° 33' 25" W  View metadata report for BODC series reference number 1624713
16247372015-05-10 06:41 51° 12' 33" N  6° 8' 14" W  View metadata report for BODC series reference number 1624737
16248422015-05-16 12:32 50° 34' 31" N  7° 6' 9" W  View metadata report for BODC series reference number 1624842
16245772015-05-05 10:35 50° 22' 32" N  5° 57' 47" W  View metadata report for BODC series reference number 1624577
16246332015-05-17 11:17 50° 31' 19" N  7° 2' 7" W  View metadata report for BODC series reference number 1624633
16246572015-05-23 06:48 49° 24' 13" N  8° 36' 25" W  View metadata report for BODC series reference number 1624657
16246822015-05-08 08:30 51° 8' 28" N  6° 34' 23" W  View metadata report for BODC series reference number 1624682
16247982015-05-13 14:40 51° 4' 28" N  6° 35' 2" W  View metadata report for BODC series reference number 1624798
16249092015-05-20 05:13 50° 31' 11" N  7° 2' 20" W  View metadata report for BODC series reference number 1624909
16249712015-05-22 11:44 48° 37' 9" N  9° 49' 11" W  View metadata report for BODC series reference number 1624971
16245902015-05-10 07:49 51° 12' 33" N  6° 8' 14" W  View metadata report for BODC series reference number 1624590
16246702015-05-06 15:33 51° 4' 29" N  6° 35' 3" W  View metadata report for BODC series reference number 1624670
16246942015-05-08 14:47 51° 4' 30" N  6° 35' 4" W  View metadata report for BODC series reference number 1624694
16248052015-05-14 12:35 50° 34' 34" N  7° 6' 9" W  View metadata report for BODC series reference number 1624805
16248912015-05-17 10:10 50° 31' 19" N  7° 2' 7" W  View metadata report for BODC series reference number 1624891
16246692015-05-06 13:57 51° 4' 26" N  6° 35' 3" W  View metadata report for BODC series reference number 1624669
16248172015-05-14 13:48 50° 34' 34" N  7° 6' 9" W  View metadata report for BODC series reference number 1624817
16248542015-05-16 13:43 50° 34' 31" N  7° 6' 9" W  View metadata report for BODC series reference number 1624854
16249582015-05-21 14:41 49° 23' 53" N  8° 36' 55" W  View metadata report for BODC series reference number 1624958
16250092015-05-23 08:30 49° 24' 6" N  8° 36' 20" W  View metadata report for BODC series reference number 1625009
16246452015-05-22 16:13 48° 34' 12" N  9° 30' 37" W  View metadata report for BODC series reference number 1624645
16247012015-05-09 05:12 50° 3' 19" N  7° 2' 39" W  View metadata report for BODC series reference number 1624701
16247492015-05-10 12:47 51° 4' 21" N  6° 35' 3" W  View metadata report for BODC series reference number 1624749
16249222015-05-20 12:39 50° 31' 14" N  7° 2' 9" W  View metadata report for BODC series reference number 1624922
16249952015-05-23 05:44 49° 24' 13" N  8° 36' 25" W  View metadata report for BODC series reference number 1624995
16246082015-05-10 09:16 51° 12' 33" N  6° 8' 14" W  View metadata report for BODC series reference number 1624608
16247742015-05-12 14:09 51° 12' 33" N  6° 7' 50" W  View metadata report for BODC series reference number 1624774
16248782015-05-17 09:03 50° 31' 19" N  7° 2' 7" W  View metadata report for BODC series reference number 1624878
16249102015-05-20 06:50 50° 34' 19" N  7° 6' 31" W  View metadata report for BODC series reference number 1624910
16249342015-05-21 07:25 49° 24' 25" N  8° 37' 4" W  View metadata report for BODC series reference number 1624934
16249832015-05-22 14:55 48° 34' 12" N  9° 30' 37" W  View metadata report for BODC series reference number 1624983
1  Meteorological data logger
Horizontal spatial co-ordinates
Air pressure
Visible waveband radiance and irradiance measurements in the atmosphere
Date and time
Wind strength and direction
Air temperature
Solar Radiation
Atmospheric humidity
[Show series]
Horizontal spatial co-ordinates
Air pressure
Visible waveband radiance and irradiance measurements in the atmosphere
Date and time
Wind strength and direction
Air temperature
Solar Radiation
Atmospheric humidity
[Hide series]

BODC idDate/TimeLocationDoc.
18805702015-05-04 07:59:30  — 2015-05-24 18:35:30 48° 34' 12" N  9° 49' 58" W — 51° 17' 11" N  1° 17' 18" W  View metadata report for BODC series reference number 1880570
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
Raw fluorometer output
Electrical conductivity of the water column
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
Raw fluorometer output
Electrical conductivity of the water column
Metadata parameters
Chlorophyll pigment concentrations in water bodies
[Hide series]

BODC idDate/TimeLocationDoc.
18805822015-05-04 07:59:30  — 2015-05-24 18:35:30 48° 34' 12" N  9° 49' 58" W — 51° 17' 11" N  1° 17' 18" W  View metadata report for BODC series reference number 1880582
2  Pumped water sample
Horizontal spatial co-ordinates
Total dissolved inorganic carbon (TCO2) concentration in the water column
Nitrite concentration parameters in the water column
Date and time
Phosphate concentration parameters in 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
[Show series]
Horizontal spatial co-ordinates
Total dissolved inorganic carbon (TCO2) concentration in the water column
Nitrite concentration parameters in the water column
Date and time
Phosphate concentration parameters in 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
[Hide series]

BODC idDate/TimeLocationDoc.
21278812015-05-05 12:10  — 2015-05-23 11:28 49° 21' 56" N  8° 35' 44" W — 51° 12' 30" N  5° 58' 5" W  View metadata report for BODC series reference number 2127881
21186202015-05-05 12:10  — 2015-05-21 12:16 49° 21' 57" N  8° 34' 37" W — 51° 12' 30" N  5° 58' 5" W  View metadata report for BODC series reference number 2118620
1  Single-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.
18805692015-05-04 07:59:30  — 2015-05-24 18:35:30 48° 34' 12" N  9° 49' 58" W — 51° 17' 11" N  1° 17' 18" W  View metadata report for BODC series reference number 1880569
5  Thermistor chain
Moored instrument depth
Reference numbers
Date and time
Temperature of the water column
[Show series]
Moored instrument depth
Reference numbers
Date and time
Temperature of the water column
[Hide series]

BODC idDate/TimeLocationDoc.
19058592015-05-09 14:20  — 2015-08-15 12:54:59 51° 8' 14" N  6° 34' 2" W  View metadata report for BODC series reference number 1905859
19058352015-05-09 14:20  — 2015-08-15 12:54:59 51° 8' 14" N  6° 34' 2" W  View metadata report for BODC series reference number 1905835
19058232015-05-09 14:20  — 2015-08-15 12:54:59 51° 8' 14" N  6° 34' 2" W  View metadata report for BODC series reference number 1905823
19058472015-05-09 14:20  — 2015-08-15 12:54:59 51° 8' 14" N  6° 34' 2" W  View metadata report for BODC series reference number 1905847
19056262015-05-09 14:20  — 2015-08-15 12:55 51° 8' 14" N  6° 34' 2" W  View metadata report for BODC series reference number 1905626
Discrete samples 
200  Box core
33  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
1  Instrument mooring
26  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
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
3  
8  Nitrite concentration parameters in the water column
Phosphate concentration parameters in 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

 

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