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Surface seawater and marine boundary layer partial pressure of carbon dioxide (pCO2), temperature and salinity observations made from the Kwakshua Channel (KC) Buoy off the central coast of British Columbia (NCEI Accession 0208810)

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
This dataset includes continuous sea surface measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature and salinity collected from the Kwakshua Channel (KC) Buoy off the central coast of British Columbia from 2018-05-01 to 2025-11-24. Kwakshua Channel, located near Fitz Hugh Sound on the central coast of British Columbia, has been a site for moored, high-resolution measurements of surface seawater and marine boundary layer CO2 content since May 2018. Measurements of in situ temperature, salinity, seawater and atmospheric CO2 partial pressure are made every 30 minutes using a Battelle Seaology (MApCO2) System. The effort to collect these data are part of the Hakai Institute’s directive to advance the understanding of carbon cycling in northeast Pacific coastal settings with specific emphasis on ocean acidification.

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0208810 BAROMETRIC PRESSURE Delta pCO2 Partial pressure (or fugacity) of carbon dioxide - atmosphere partial pressure of carbon dioxide - water SALINITY WATER TEMPERATURE xCO2 atmosphere xCO2 seawater barometric pressure sensor bubble type equilibrator for autonomous carbon dioxide (CO2) measurement salinometer temperature sensor chemical meteorological moored buoy physical surface measurements time series FIXED PLATFORM OF CANADA Hakai Institute Hakai Institute Surface Ocean CO2 Atlas (SOCAT) Coastal Waters of Southeast Alaska and British Columbia North Pacific Ocean oceanography KC_BUOY_Aug2024_Apr2025 KC_BUOY_Jun2025_Nov2025 KC_BUOY_May2018_Oct2020 KC_BUOY_Nov2022_May2023 KC_BUOY_Oct2020_Sept2021 KC_BUOY_Oct2021_Nov2022 KC_BUOY_Oct2023_Dec2023 187F20180501 187F20201027 187F20211007 187F20221129 187F20231016 187F20240808 187F20250626 Ocean Carbon and Acidification Data System (OCADS) Project Moorings and Time Series EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE > PARTIAL PRESSURE OF CARBON DIOXIDE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Continuous measurement Discrete measurement Surface measurement SST SW pCO2 wet SST TSG Salinity BAROMETERS > BAROMETERS EQUILIBRATORS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS FIXED OBSERVATION STATIONS > FIXED OBSERVATION STATIONS OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN Central British Columbia coast Fitz Hugh Sound Kwakshua Channel North Pacific Ocean

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