gov.noaa.nodc:0245460 eng utf8 dataset NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NOAA Contact Information Information for contacts at NCEI. information custodian 2026-05-07T13:10:40Z ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) Surface underway measurements of partial pressure of carbon dioxide (pCO2), salinity, temperature and other associated parameters during the R/V Marion Dufresne OISO-31 cruise (EXPOCODE 35MV20210113) in Indian Ocean from 2021-01-13 to 2021-03-04 (NCEI Accession 0245460) 2022-01-14 publication 2022-01-11 creation International DOI Foundation (IDF) 10.25921/xttp-nr18 NOAA National Centers for Environmental Information gov.noaa.nodc:0245460 NCEI Archive Management System 0245460 NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information publisher Nicolas Metzl Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) nicolas.metzl@locean-ipsl.upmc.fr https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information resourceProvider Sorbonne University (SU) http://www.sorbonne-universite.fr/en HTTP Sorbonne University (SU) website Institution web page information resourceProvider Claire Lo Monaco Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Claire.LoMonaco@locean-ipsl.upmc.fr https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information principalInvestigator nicolas metzl Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) nicolas.metzl@locean-ipsl.upmc.fr https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information principalInvestigator Lo Monaco, Claire Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information author Metzl, Nicolas Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information author Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information contributor Sorbonne University (SU) http://www.sorbonne-universite.fr/en HTTP Sorbonne University (SU) website Institution web page information contributor tableDigital This dataset includes continuous sea surface measurements of pCO2, temperature, salinity and atmospheric pressure data during the R/V Marion Dufresne OISO-31 cruise (EXPOCODE 35MV20210113) in Indian Ocean from 2021-01-13 to 2021-03-04. 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). The OISO time-series data: 1) contribute to the annual evaluation of the global carbon budget by regularly feeding international data bases, notably SOCAT and GLODAP; 2) provide a better understanding of air-sea CO2 flux variability, anthropogenic CO2 and acidification in the South Indian and Southern oceans. 3) provide in situ observations for the calibration and validation of autonomous observations (e.g., satellite data, Argo, BioArgo and CARIOCA floats, marine mammals equipped with oceanographic sensors); 4) document environmental changes related to climate variability and evaluate the impact on marine organisms. Funding Information: INSU (Institut National des Sciences de l’Univers), CNRS (Centre National de Recherche Scientifique), IPEV (Institut polaire français Paul Emile Victor, French Polar Institute), IFREMER (Institut Français de Recherche pour l'Exploitation de la Mer) (S.O. OISO) completed historicalArchive NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information pointOfContact asNeeded https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0245460 Preview graphic PNG 0245460 NCEI ACCESSION NUMBER 2022-01-05 publication BAROMETRIC PRESSURE Partial pressure (or fugacity) of carbon dioxide - atmosphere partial pressure of carbon dioxide - water SALINITY WATER TEMPERATURE xCO2 seawater theme NODC DATA TYPES THESAURUS barometric pressure sensor carbon dioxide (CO2) gas analyzer salinometer temperature sensor thin film type equilibrator for autonomous carbon dioxide (CO2) measurement instrument NODC INSTRUMENT TYPES THESAURUS chemical meteorological physical surface underway theme NODC OBSERVATION TYPES THESAURUS Marion Dufresne platform NODC PLATFORM NAMES THESAURUS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques Sorbonne University dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS Sorbonne University dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS Ship of Opportunity Programme (SOOP) Surface Ocean CO2 Atlas (SOCAT) project NODC PROJECT NAMES THESAURUS Indian Ocean place NODC SEA AREA NAMES THESAURUS oceanography theme WMO_CategoryCode 2012-09-15 publication OISO-31 project Cruise ID 35MV20210113 project EXPOCODE Ocean Carbon and Acidification Data System (OCADS) Project project Ocean Acidification Search Keywords SOOP, OISO project Reference Section ID S.O. OISO project Research Projects 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 theme Global Change Master Directory (GCMD) Science Keywords 2026 revision 24 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Surface underway theme OCADS Study Type OISO-30 R/V Marion Dufresne SOOP theme Provider Keywords AtmPrs SSS SST_C Ship Head Ship speed xCO2, fCO2 theme Provider Variable Abbreviations BAROMETERS > BAROMETERS CO2 ANALYZERS > CO2 ANALYZERS EQUILIBRATORS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS instrument Global Change Master Directory (GCMD) Instrument Keywords 2026 revision 24 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian MARION DUFRESNE (call sign: FNIN, ICES code: 35MV, 1995-) platform ICES/SeaDataNet Ship Codes OCEAN > INDIAN OCEAN place Global Change Master Directory (GCMD) Location Keywords 2026 revision 24 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Indian Ocean place Provider Geographic Names accessLevel: public otherRestrictions Cite as: Lo Monaco, Claire; Metzl, Nicolas (2022). Surface underway measurements of partial pressure of carbon dioxide (pCO2), salinity, temperature and other associated parameters during the R/V Marion Dufresne OISO-31 cruise (EXPOCODE 35MV20210113) in Indian Ocean from 2021-01-13 to 2021-03-04 (NCEI Accession 0245460). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/xttp-nr18. Accessed [date]. Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives. otherRestrictions Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose. The OISO Lines 2022 publication https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/VOS_Program/OISO.html HTTPS https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/VOS_Program/OISO.html Related resource information NOAA National Centers for Environmental Information (NCEI) publisher documentDigital crossReference project Lo Monaco, Claire; Metzl, Nicolas; Fin, Jonathan (2023). Sea surface measurements of dissolved inorganic carbon (DIC), total alkalinity (TALK), temperature and salinity during the R/V Marion-Dufresne Ocean Indien Service d'Observations - 31 (OISO-31) cruise (EXPOCODE 35MV20210113) in the Indian Ocean from 2021-01-14 to 2021-03-04 (NCEI Accession 0280946). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/7sb2-k852. 2023-07-29 publication International DOI Foundation (IDF) https://doi.org/10.25921/7sb2-k852 NOAA National Centers for Environmental Information gov.noaa.nodc:0280946 https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0280946.html HTTPS https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0280946.html Related dataset information Lo Monaco, Claire Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information author Metzl, Nicolas Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information author Fin, Jonathan Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) https://www.locean.ipsl.fr/ HTTPS Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) website Institution web page information author NOAA National Centers for Environmental Information (NCEI) publisher tableDigital crossReference project NOAA National Centers for Environmental Information (2022). Ocean Carbon and Acidification Data System (OCADS). NOAA National Centers for Environmental Information. https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system 2022-04 publication https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system HTTPS https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system OCADS website information NOAA National Centers for Environmental Information author NOAA National Centers for Environmental Information (NCEI) publisher documentDigital [accessed 2024-02-08] crossReference program eng; USA utf8 environment oceans climatologyMeteorologyAtmosphere 31.1 82.391 -57.976 -22.076 2021-01-13 2021-03-04 NOAA National Centers for Environmental Information +1-301-713-3277 ncei.info@noaa.gov pointOfContact In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media. Contact NCEI for other distribution options and instructions. Originator data format 1.52 https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0245460.html HTTPS Web browser Project Metadata Navigate directly to the URL for a descriptive web page with download links. information https://doi.org/10.25921/xttp-nr18 HTTPS Web browser NCEI Dataset Landing Page Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/oas/245460 HTTPS Web browser Descriptive Information Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/download/245460 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0194/0245460/ FTP Any FTP client FTP These data are available through the File Transfer Protocol (FTP). 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You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). download dataset NCEI Accession 0245460 v1.1 was published. 2022-01-14T22:21:18Z NCEI Accession 0245460 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0245460/1.1 HTTPS NCEI Accession 0245460 v1.1 published 2022-01-14T22:21:18Z download dataset Parameter or Variable: pCO2 (fCO2) autonomous; Abbreviation: xCO2, fCO2; Unit: ppm, uatm; Observation type: Surface underway; Measured or calculated: Measured; Sampling instrument: Seawater pump; Analyzing instrument: NDIR - Poisson et al., 1993, JGR; Equilibrator type: Thin Film, Home-made equilibration cell (LOCEAN), Poisson et al., 1993, JGR; Equilibrator volume: 0.119 L; Is the equilibrator vented or not: Vented: each 20 mn; Water flow rate: 2 L/min; How was temperature inside the equilibrator measured: SBE-38; Drying method for gas: Peltier cold trap; SEA CO2 gas detector manufacturer: Siemens; SEA CO2 gas detector model: Ultramat 6F; SEA CO2 gas detector resolution: Accuracy 0.08 hPa (intercompared with MeteoFrance sensor onboard); SEA CO2 gas detector uncertainty: 2 µatm; Standard gas manufacturer: Air Liquid; Standard gas concentration: 267.39ppm, 350.75 ppm, 489.94 ppm and 490.12 ppm; Standard gas uncertainty: 0.10 ppm; At what temperature was pCO2 reported: In situ sea surface temperature; Quality flag convention: 2 = good; 3 = questionable; 4 = bad; 9 = missing data.; Method reference: Poisson et al.,(1993, JGR); Metzl et al. (1995, 1999, Tellus); Metzl et al. (2006 DSR); Metzl (2009, DSR); Researcher name: Claire Lo Monaco; Researcher institution: Univ P et M Curie, France Parameter or Variable: Sea Surface Temperature; Abbreviation: SST_C; Unit: degrees celcius; Observation type: Surface Underway; Analyzing instrument: SBE45; Detailed sampling and analyzing information: Sea surface temp. SBE45, Accuracy 0.002 C, sensor compared to secondary TSG onboard and to surface CTD data during the casts (SBE03 pre and post-cruise calibrated); Uncertainty: Accuracy 0.002 C; Researcher name: Claire Lo Monaco; Researcher institution: Univ P et M Curie, France Parameter or Variable: Sea Surface Salinity; Abbreviation: SSS; Observation type: Surface Underway; Analyzing instrument: SBE45; Detailed sampling and analyzing information: Sea surface salinity, SBE45, compared to regular (4/day) sea surface samples (Salinometer Guildline AUTOSAL and IAPSO standard / OSIL) and to surface CTD data during the casts (SBE04 pre and post-cruise calibrated), Accuracy less than 0.01 PSU; Uncertainty: Accuracy 0.02; Researcher name: Claire Lo Monaco; Researcher institution: Univ P et M Curie, France Parameter or Variable: Barometreic pressure transducer; Abbreviation: AtmPrs; Unit: hPa; Observation type: Surface Underway; Analyzing instrument: Paroscientific, 1000-16B; Detailed sampling and analyzing information: Atmospheric pressure, Paroscientific, 1000-16B, accuracy 0.08 hPa (intercompared with MeteoFrance sensor onboard); Uncertainty: accuracy 0.08 hPa; Researcher name: Claire Lo Monaco; Researcher institution: Univ P et M Curie, France Parameter or Variable: Ship speed; Abbreviation: Ship speed; Unit: knots; Observation type: Underway Parameter or Variable: Ship Direction; Abbreviation: Ship Head; Unit: Degrees; Observation type: Underway asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian barometric pressure sensor barometric pressure sensor instrument used to measure the atmospheric pressure. carbon dioxide (CO2) gas analyzer carbon dioxide (CO2) gas analyzer measures gaseous carbon dioxide Carbon dioxide gas analyzer has often been referred to as LI-COR, because a lot of researchers choose to use products manufactured by LI-COR incorporation for their carbon dioxide measurement. The main component of a carbon dioxide analyzer is a nondispersive infrared (NDIR) spectroscopic sensors to detect CO2 in a gaseous environment by its characteristic absorption. Carbon dioxide (CO2) gas analyzer works together with carbon dioxide (CO2) equilibrator (insttypes_id 184) to measure carbon dioxide in the water. To measure water carbon dioxide, water needs to be continuously supplied to a showerhead inside an equilibrator. As the water flows through the equilibrator chamber, dissolved carbon dioxide exchanges quickly with air in the headspace. This air is then sampled by the carbon dioxide analyzer to determine the mole fraction of CO2 in water. salinometer salinometer generic salinometer use salinometer when the instrument type used is unclear but the data include salinity measurements temperature sensor temperature sensor A sensor used to measure temperature. thin film type equilibrator for autonomous carbon dioxide (CO2) measurement thin film type equilibrator for autonomous carbon dioxide (CO2) measurement Poisson et al. 1993 Marion Dufresne Built 1995; owned by the French Polar Institute; IMO9050814; USE NODC CODE 35M1 for all data attributed to vessel MARION DUFRESNE, call sign = FNGB received after December 2009. NODC CODE 35M1 supercedes NODC code 35MF for French vessel MARION DUFRESNE, call sign = FNGB, which was commissioned in 1973, decommissioned in 1995, renamed FRES in 1995, and destroyed in 2004.