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Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, oxygen, nutrients, and water temperature during the CCGS John P. Tully Line P cruise (EXPOCODE 18DD20210824) off the west coast of Vancouver Island from 2021-08-24 to 2021-09-07 (NCEI Accession 0300980)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 2025-01-31T00:00:00.000+00:00
These data were collected from the west coast of Vancouver Island, between August 24th and September 7th 2021, as part of the Line P Water Properties Survey led by Marie Robert. Discrete dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, and nutrient samples were taken from rosette casts with 10L Niskin bottles and analyzed at the Institute of Ocean Sciences. Discrete samples of dissolved oxygen were also collected and analyzed onboard the vessel. CTD profiles were recorded with each rosette cast. DIC/TA samples were placed in cool storage after collection and returned to the shore-based lab for analysis. Oxygen units were converted to µmol/kg when reported in ml/L. Nutrient concentrations were converted to µmol/kg from µmol/L. The raw data and other supporting documents can be obtained from https://www.waterproperties.ca/.

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0300980 DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN nitrate + nitrite content (concentration) phosphate SALINITY silicate total alkalinity WATER TEMPERATURE carbon dioxide (CO2) gas analyzer CTD Niskin bottle nutrient autoanalyzer salinometer temperature sensor titrator chemical discrete sample physical profile JOHN P. TULLY Fisheries and Oceans Canada, Institute of Ocean Sciences Department of Fisheries and Oceans Canada Ocean Carbon and Acidification Data System (OCADS) The Global Ocean Ship-based Hydrographic Investigations Program (GO-SHIP) North Pacific Ocean oceanography CA/DFO > Fisheries and Oceans, Canada CA/DFO/PR/SB/IOS > Institute of Ocean Sciences, Science Branch, Pacific Region, Fisheries and Oceans, Canada 2021-008 18DD20210824 Ocean Carbon and Acidification Data System (OCADS) Project Line P Line P survey EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY 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 > PHOSPHATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Profile CTDPRS_DBAR CTDTMP_ITS90_DEG_C DIC_UMOL_KG NITRATE_NITRITE_UMOL_KG OXYGEN_UMOL_KG PHOSPHATE_UMOL_KG SALINITY_PSS78 SILICATE_UMOL_KG TA_UMOL_KG AUTOANALYZER > AUTOANALYZER CO2 ANALYZERS > CO2 ANALYZERS CTD > Conductivity, Temperature, Depth NISKIN BOTTLES SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS JOHN P. TULLY (call sign: CG2958, ICES code: 18DD, 1984-) OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN Gulf of Alaska Northeast Pacific Ocean

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