Dissolved inorganic carbon (DIC), total alkalinity (TA), pH, discrete pCO2, methane, nutrients, dissolved oxygen, water temperature, salinity and other measurements collected from discrete samples and profile observations via opportunistic sampling on the United Nations Convention on the Law of the Sea (UNCLOS) CCGS Louis S. St-Laurent cruises 2014-10, 2015-05, and 2016-15 by Natural Resources of Canada (NRCan) in the Arctic Ocean, Beaufort Sea and Canada Basin from 2014-08-28 to 2016-09-13 (NCEI Accession 0240685)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 26, 2026 | Last Modified: 2025-09-03T00:00:00.000+00:00

This dataset includes discrete sample and profile data collected during United Nations Convention on the Law of the Sea (UNCLOS) cruises 2014-10, 2015-05, and 2016-15 by Natural Resources of Canada (NRCan) in the Arctic Ocean, Beaufort Sea and Canada Basin from 2014-08-28 to 2016-09-13. These data include dissolved inorganic carbon (DIC), total alkalinity (TA), pH, pCO2, methane, nutrients, dissolved oxygen, water temperature, salinity and other measurements. The United Nations Convention on the Law of the Sea (UNCLOS) cruise was conducted by Natural Resources of Canada (NRCan). Samples for Dissolved Inorganic Carbon and Total Alkalinity were collected on board of Louis St. Larent in the Beaufort Sea and the Canada Basin.

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description	This dataset includes discrete sample and profile data collected during United Nations Convention on the Law of the Sea (UNCLOS) cruises 2014-10, 2015-05, and 2016-15 by Natural Resources of Canada (NRCan) in the Arctic Ocean, Beaufort Sea and Canada Basin from 2014-08-28 to 2016-09-13. These data include dissolved inorganic carbon (DIC), total alkalinity (TA), pH, pCO2, methane, nutrients, dissolved oxygen, water temperature, salinity and other measurements. The United Nations Convention on the Law of the Sea (UNCLOS) cruise was conducted by Natural Resources of Canada (NRCan). Samples for Dissolved Inorganic Carbon and Total Alkalinity were collected on board of Louis St. Larent in the Beaufort Sea and the Canada Basin.
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identifier	gov.noaa.nodc:0240685
issued	2021-08-30T00:00:00.000+00:00
keyword	[ "0240685", "Delta Oxygen-18", "DISSOLVED INORGANIC CARBON (DIC)", "DISSOLVED OXYGEN", "Methane (CH4)", "nitrate + nitrite content (concentration)", "partial pressure of carbon dioxide - water", "pH", "phosphate", "SALINITY", "silicate", "total alkalinity", "WATER TEMPERATURE", "carbon dioxide (CO2) gas analyzer", "CTD", "Niskin bottle", "nutrient autoanalyzer", "oxygen sensor", "spectrophotometer", "temperature sensor", "titrator", "chemical", "discrete sample", "physical", "profile", "CCGS Louis S. St-Laurent", "Bedford Institute of Oceanography", "Department of Fisheries and Oceans Canada", "Bedford Institute of Oceanography", "US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP)", "Arctic Ocean", "Beaufort Sea", "oceanography", "CA/DFO > Fisheries and Oceans, Canada", "CA/DFO/BIO > Bedford Institute of Oceanography, Fisheries and Oceans, Canada", "2014-10", "2015-05", "2016-15", "18SN20140828", "18SN20150819", "18SN20160811", "Ocean Carbon and Acidification Data System (OCADS) Project", "Arctic Ocean", "UNCLOS High Arctic Monitoring", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY", "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 TEMPERATURE > WATER TEMPERATURE", "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY", "Discrete measurement", "Profile", "ALKALI", "CFC-12", "CH4", "CTDOXY", "CTDSAL", "CTDTMP", "OXYGEN", "PH_TOT", "SALNTY", "SF6", "SiO3, NO3, NO2, PO4", "TCARBN", "pCO2", "AUTOANALYZER > AUTOANALYZER", "CO2 ANALYZERS > CO2 ANALYZERS", "CTD > Conductivity, Temperature, Depth", "NISKIN BOTTLES", "OPTSPEC > Optical Spectrometer", "OXYGEN METERS > OXYGEN METERS", "TEMPERATURE SENSORS > TEMPERATURE SENSORS", "Ships", "LOUIS S. ST-LAURENT (call sign: CGBN, ICES code: 18SN, 1969-)", "OCEAN > ARCTIC OCEAN", "OCEAN > ARCTIC OCEAN > BEAUFORT SEA", "Arctic Ocean", "Beaufort Sea" ]
landingPage	https://www.ncei.noaa.gov/contact
language	[]
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modified	2025-09-03T00:00:00.000+00:00
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rights	otherRestrictions
spatial	-5.914,70.554,49.77,89.969
temporal	2014-08-28T00:00:00+00:00/2016-09-13T00:00:00+00:00
title	Dissolved inorganic carbon (DIC), total alkalinity (TA), pH, discrete pCO2, methane, nutrients, dissolved oxygen, water temperature, salinity and other measurements collected from discrete samples and profile observations via opportunistic sampling on the United Nations Convention on the Law of the Sea (UNCLOS) CCGS Louis S. St-Laurent cruises 2014-10, 2015-05, and 2016-15 by Natural Resources of Canada (NRCan) in the Arctic Ocean, Beaufort Sea and Canada Basin from 2014-08-28 to 2016-09-13 (NCEI Accession 0240685)