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High-resolution ocean and atmosphere pCO2 time-series measurements from Mooring Fagatele_170W_14S in the South Pacific Ocean (NCEI Accession 0313571)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 27, 2026 at 09:45 PM | Dataset Last Updated: March 23, 2026 at 12:00 AM
This dataset includes chemical, meteorological, physical and time series data collected from Mooring Fagatele_170W_14S in the South Pacific Ocean from 2019-05-18 to 2023-05-13. These data include air-sea difference - partial pressure of carbon dioxide (pCO2), barometric pressure, oxygen, pCO2 - atmosphere, pCO2 - water, salinity, sea surface temperature, oxygen, pH on total scale, total chlorophyll, nephelometric turbidity unit and salinity-compensated dissolved oxygen. The instruments used to collect these data include Bubble type equilibrator for autonomous carbon dioxide (CO2) measurement, Carbon dioxide (CO2) gas analyzer, Humidity Sensor, oxygen meter and thermosalinographs. In May 2019, NOAA and partners established a new buoy in Fagatele Bay within National Marine Sanctuary of American Samoa to monitor ocean acidification in a vibrant tropical coral reef ecosystem. The National Marine Sanctuary of American Samoa, co-managed by NOAA and the American Samoa Government, is located in the cradle of Polynesia’s oldest culture and is thought to support the greatest diversity of marine life in the National Marine Sanctuary System, including a wide variety of coral and other invertebrates, marine plants, fishes, marine mammals, and turtles such as the critically endangered hawksbill sea turtle. The sanctuary protects extensive coral reefs, including some of the oldest and largest Porites coral heads in the world, along with deep water reefs, hydrothermal vent communities, rare marine archaeological resources, and important fishing grounds. Despite its small size, Fagatele Bay supports exceptional biodiversity, with more than 160 species of coral found within a quarter-square-mile.

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  • Project Metadata

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  • NCEI Dataset Landing Page

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  • Descriptive Information

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  • https://doi.org/10.5194/essd-6-353-2014

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  • https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Moorings/Fagatele.html

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  • https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Moorings/Pacific.html

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  • https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system

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  • GCMD Keyword Forum Page

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  • NCEI Contact Information

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0313571 CHLOROPHYLL Delta pCO2 DISSOLVED OXYGEN Partial pressure (or fugacity) of carbon dioxide - atmosphere partial pressure of carbon dioxide - water pH SALINITY

Complete Metadata
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description This dataset includes chemical, meteorological, physical and time series data collected from Mooring Fagatele_170W_14S in the South Pacific Ocean from 2019-05-18 to 2023-05-13. These data include air-sea difference - partial pressure of carbon dioxide (pCO2), barometric pressure, oxygen, pCO2 - atmosphere, pCO2 - water, salinity, sea surface temperature, oxygen, pH on total scale, total chlorophyll, nephelometric turbidity unit and salinity-compensated dissolved oxygen. The instruments used to collect these data include Bubble type equilibrator for autonomous carbon dioxide (CO2) measurement, Carbon dioxide (CO2) gas analyzer, Humidity Sensor, oxygen meter and thermosalinographs. In May 2019, NOAA and partners established a new buoy in Fagatele Bay within National Marine Sanctuary of American Samoa to monitor ocean acidification in a vibrant tropical coral reef ecosystem. The National Marine Sanctuary of American Samoa, co-managed by NOAA and the American Samoa Government, is located in the cradle of Polynesia’s oldest culture and is thought to support the greatest diversity of marine life in the National Marine Sanctuary System, including a wide variety of coral and other invertebrates, marine plants, fishes, marine mammals, and turtles such as the critically endangered hawksbill sea turtle. The sanctuary protects extensive coral reefs, including some of the oldest and largest Porites coral heads in the world, along with deep water reefs, hydrothermal vent communities, rare marine archaeological resources, and important fishing grounds. Despite its small size, Fagatele Bay supports exceptional biodiversity, with more than 160 species of coral found within a quarter-square-mile.
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0313571.xml
issued 2026-03-23T00:00:00.000+00:00
keyword 
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  "0313571",
  "CHLOROPHYLL",
  "Delta pCO2",
  "DISSOLVED OXYGEN",
  "Partial pressure (or fugacity) of carbon dioxide - atmosphere",
  "partial pressure of carbon dioxide - water",
  "pH",
  "SALINITY",
  "WATER TEMPERATURE",
  "carbon dioxide (CO2) gas analyzer",
  "mooring",
  "oxygen sensor",
  "pH sensor",
  "salinometer",
  "temperature sensor",
  "chemical",
  "meteorological",
  "physical",
  "surface measurements",
  "time series",
  "MOORINGS OF UNITED STATES",
  "NOAA Pacific Marine Environmental Laboratory",
  "University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies",
  "University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies",
  "US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP)",
  "National Marine Sanctuary of American Samoa",
  "South Pacific Ocean",
  "oceanography",
  "DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce",
  "Mooring_Fagatele_170W_14S_Dec2021_May2023",
  "Mooring_Fagatele_170W_14S_May2019_Oct2020",
  "316420190518",
  "316420211219",
  "Ocean Acidification Program (OAP)",
  "Ocean Carbon and Acidification Data System (OCADS) Project",
  "Time Series and Moorings",
  "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE > PARTIAL PRESSURE OF CARBON DIOXIDE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY",
  "Mooring",
  "Surface",
  "Time series",
  "Fagatele_170W_14S",
  "Moorings",
  "CHL",
  "CO2 Air QF",
  "DOXY",
  "Date Time",
  "H2O Air",
  "H2O SW",
  "Licor Atm Pressure",
  "Licor Temp",
  "MAPCO2 %O2",
  "NTU",
  "SST",
  "Salinity",
  "dfCO2",
  "dpCO2",
  "fCO2 Air (sat)",
  "fCO2 SW (sat)",
  "pCO2 Air (wet)",
  "pCO2 SW (wet)",
  "pH SW",
  "xCO2 Air (dry)",
  "xCO2 Air (wet)",
  "xCO2 SW (dry)",
  "xCO2 SW (wet)",
  "xCO2 SW QF",
  "CO2 ANALYZERS > CO2 ANALYZERS",
  "OXYGEN METERS > OXYGEN METERS",
  "PH METERS > PH METERS",
  "SALINOMETERS",
  "TEMPERATURE SENSORS > TEMPERATURE SENSORS",
  "MOORINGS (ICES code: 3164)",
  "OCEAN > PACIFIC OCEAN > CENTRAL PACIFIC OCEAN > AMERICAN SAMOA",
  "OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN",
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landingPage https://www.ncei.noaa.gov/contact
language 
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license https://creativecommons.org/publicdomain/zero/1.0/
modified 2026-03-23T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
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references 
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  "https://doi.org/10.5194/essd-6-353-2014",
  "https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Moorings/Fagatele.html",
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  "https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system"
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rights otherRestrictions
spatial -170.763,-14.365,-170.763,-14.365
temporal 2019-05-18T00:00:00+00:00/2023-05-13T00:00:00+00:00
theme 
[
  "geospatial"
]
title High-resolution ocean and atmosphere pCO2 time-series measurements from Mooring Fagatele_170W_14S in the South Pacific Ocean (NCEI Accession 0313571)

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