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Surface underway measurements of partial pressure of carbon dioxide (pCO2), salinity, water temperature and other associated parameters during the R/V Marion Dufresne OISO-35 cruise (EXPOCODE 35MV20241225) in the Indian Ocean from 2024-12-25 to 2025-02-02 (NCEI Accession 0311456)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 05:16 AM | Dataset Last Updated: January 12, 2026 at 12:00 AM
This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-32 cruise (EXPOCODE 35MV20241225) in the Indian Ocean from 2024-12-25 to 2025-02-02. The OISO program (Océan Indien Service d'Observations), initiated in 1998, collects measurements of pCO2 and associated parameters (T, S, DIC, TALK, nutrients, Chl-a, 13C) along the repeated lines of R.V. Marion-Dufresne in the South-Western Indian and Southern Oceans; this coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international data synthesis (SOCAT, GLODAP).

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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://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/VOS_Program/OISO.html

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  • https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/clivar_oiso.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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0311456 BAROMETRIC PRESSURE Partial pressure (or fugacity) of carbon dioxide - atmosphere partial pressure of carbon dioxide - water SALINITY - SURFACE WATER WATER TEMPERATURE barometric pressure sensor carbon dioxide (CO2) gas analyzer

Complete Metadata
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description This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-32 cruise (EXPOCODE 35MV20241225) in the Indian Ocean from 2024-12-25 to 2025-02-02. The OISO program (Océan Indien Service d'Observations), initiated in 1998, collects measurements of pCO2 and associated parameters (T, S, DIC, TALK, nutrients, Chl-a, 13C) along the repeated lines of R.V. Marion-Dufresne in the South-Western Indian and Southern Oceans; this coverage is a complement of the international CO2 observing system (IOCCP). The OISO data are regularly included in international data synthesis (SOCAT, GLODAP).
distribution 
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0311456.xml
issued 2026-01-08T00:00:00.000+00:00
keyword 
[
  "0311456",
  "BAROMETRIC PRESSURE",
  "Partial pressure (or fugacity) of carbon dioxide - atmosphere",
  "partial pressure of carbon dioxide - water",
  "SALINITY - SURFACE WATER",
  "WATER TEMPERATURE",
  "barometric pressure sensor",
  "carbon dioxide (CO2) gas analyzer",
  "salinometer",
  "temperature sensor",
  "chemical",
  "meteorological",
  "physical",
  "surface underway",
  "Marion Dufresne",
  "Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques",
  "Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques",
  "Ship of Opportunity Programme (SOOP)",
  "Surface Ocean CO2 Atlas (SOCAT)",
  "Indian Ocean",
  "oceanography",
  "OISO-35",
  "35MV20241225",
  "Ocean Carbon and Acidification Data System (OCADS) Project",
  "SOOP, OISO",
  "S.O. OISO",
  "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE > PARTIAL PRESSURE OF CARBON DIOXIDE",
  "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE",
  "EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > SURFACE SALINITY",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY",
  "Surface underway",
  "OISO-35",
  "R/V Marion Dufresne",
  "SOOP",
  "AtmPrs",
  "SSS",
  "SST_C",
  "Ship Head",
  "Ship speed",
  "xCO2, fCO2",
  "BAROMETERS > BAROMETERS",
  "CO2 ANALYZERS > CO2 ANALYZERS",
  "SALINOMETERS",
  "TEMPERATURE SENSORS > TEMPERATURE SENSORS",
  "MARION DUFRESNE (call sign: FNIN, ICES code: 35MV, 1995-)",
  "OCEAN > INDIAN OCEAN",
  "Indian Ocean"
]
landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2026-01-12T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
}
references 
[
  "https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/VOS_Program/OISO.html",
  "https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/clivar_oiso.html",
  "https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system"
]
rights otherRestrictions
spatial 79.1,-57.2,49.2,-21.562
temporal 2024-12-25T00:00:00+00:00/2025-02-02T00:00:00+00:00
theme 
[
  "geospatial"
]
title Surface underway measurements of partial pressure of carbon dioxide (pCO2), salinity, water temperature and other associated parameters during the R/V Marion Dufresne OISO-35 cruise (EXPOCODE 35MV20241225) in the Indian Ocean from 2024-12-25 to 2025-02-02 (NCEI Accession 0311456)

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