Dissolved inorganic carbon (DIC), total alkalinity (TA), pH, pCO2, methane, dissolved oxygen, nutrients, temperature, salinity, and other measurements collected from discrete samples and profile observations during the R/V Neil Armstrong Davis Strait Observing System (DSOS) cruise "AR69-04" (EXPOCODE 33VB20221001) in Davis Strait, Baffin Bay, northern Labrador Sea, North Pacific Ocean from 2022-10-01 to 2022-10-22 (NCEI Accession 0291292)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 26, 2026 | Last Modified: 2024-04-27T00:00:00.000+00:00

Oceanographic sampling of physical, chemical, and biological parameters was conducted along selected fixed sections in Davis Strait, Baffin Bay, northern Labrador Sea, North Atlantic Ocean at full water depths during the R/V Neil Armstrong Davis Strait Observing System (DSOS) cruise "AR69-04" (EXPOCODE 33VB20221001) from 2022-10-01 to 2022-10-22. The cruise is part of DSOS's long-term, high-frequency repeat program. CTD casts were performed at all stations, and discrete water samples were collected in Niskin bottles using the CTD/Rosette system. The cruise was designed to investigate Arctic-North Atlantic interactions, including the variability and trend of freshwater, heat, carbon, oxygen, and nutrient fluxes, as well as ecosystem responses to climate change. This effort was conducted in support of the NSF (OPP1902595) and Fisheries and Oceans, Canada (OFSI).

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description	Oceanographic sampling of physical, chemical, and biological parameters was conducted along selected fixed sections in Davis Strait, Baffin Bay, northern Labrador Sea, North Atlantic Ocean at full water depths during the R/V Neil Armstrong Davis Strait Observing System (DSOS) cruise "AR69-04" (EXPOCODE 33VB20221001) from 2022-10-01 to 2022-10-22. The cruise is part of DSOS's long-term, high-frequency repeat program. CTD casts were performed at all stations, and discrete water samples were collected in Niskin bottles using the CTD/Rosette system. The cruise was designed to investigate Arctic-North Atlantic interactions, including the variability and trend of freshwater, heat, carbon, oxygen, and nutrient fluxes, as well as ecosystem responses to climate change. This effort was conducted in support of the NSF (OPP1902595) and Fisheries and Oceans, Canada (OFSI).
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identifier	gov.noaa.nodc:0291292
issued	2024-04-19T00:00:00.000+00:00
keyword	[ "0291292", "AMMONIUM (NH4)", "Delta Oxygen-18", "DISSOLVED INORGANIC CARBON (DIC)", "DISSOLVED OXYGEN", "HYDROSTATIC PRESSURE", "Methane (CH4)", "NITRATE", "NITRITE", "partial pressure of carbon dioxide - water", "pH", "phosphate", "SALINITY", "silicate", "total alkalinity", "WATER TEMPERATURE", "carbon dioxide (CO2) gas analyzer", "CTD", "Niskin bottle", "nutrient autoanalyzer", "pH sensor", "temperature sensor", "thermosalinograph", "titrator", "chemical", "discrete sample", "physical", "profile", "RV Neil Armstrong", "Bedford Institute of Oceanography", "University of Washington", "Bedford Institute of Oceanography", "Ocean Carbon and Acidification Data System (OCADS)", "Baffin Bay", "Davis Strait", "Labrador Sea", "North Atlantic Ocean", "oceanography", "CA/DFO/BIO > Bedford Institute of Oceanography, Fisheries and Oceans, Canada", "ar69-04", "33VB20221001", "Ocean Carbon and Acidification Data System (OCADS) Project", "Canadian Archipelago", "The Davis Strait Observing System (DSOS)", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE", "EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE", "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE", "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY", "Profile", "ALKALI", "CH4", "CTDOXY", "CTDPH", "CTDPRS", "CTDSAL", "CTDTMP", "DELO18", "NH3", "NITRIT", "NO2+NO3", "OXYGEN", "PCO2", "PHSPHT", "PH_TOT", "SALNTY", "SILCAT", "TCARBN", "AUTOANALYZER > AUTOANALYZER", "CO2 ANALYZERS > CO2 ANALYZERS", "CTD > Conductivity, Temperature, Depth", "NISKIN BOTTLES", "PH METERS > PH METERS", "TEMPERATURE SENSORS > TEMPERATURE SENSORS", "THERMOSALINOGRAPHS", "Ships", "NEIL ARMSTRONG (call sign: WARL, ICES code: 33VB, 2015-)", "OCEAN > ARCTIC OCEAN", "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN", "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > DAVIS STRAIT", "Baffin Bay", "Davis Strait", "Labrador Sea", "North Pacific Ocean" ]
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modified	2024-04-27T00:00:00.000+00:00
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rights	otherRestrictions
spatial	-50.31,61.97,-65.94,72.75
temporal	2022-10-01T00:00:00+00:00/2022-10-22T00:00:00+00:00
title	Dissolved inorganic carbon (DIC), total alkalinity (TA), pH, pCO2, methane, dissolved oxygen, nutrients, temperature, salinity, and other measurements collected from discrete samples and profile observations during the R/V Neil Armstrong Davis Strait Observing System (DSOS) cruise "AR69-04" (EXPOCODE 33VB20221001) in Davis Strait, Baffin Bay, northern Labrador Sea, North Pacific Ocean from 2022-10-01 to 2022-10-22 (NCEI Accession 0291292)