gov.noaa.nodc:0246774 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 2026-03-26T08:06:23Z 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), water temperature and sea surface salinity collected onboard the CCGS Louis S. St-Laurent during the Beaufort Gyre Observing System/Joint Ocean Ice Study cruise in the Arctic Ocean and Beaufort Sea from 2018-09-08 to 2018-10-01 (NCEI Accession 0246774) 2022-01-28 publication 2022-01-28 creation International DOI Foundation (IDF) 10.25921/94dc-v320 NOAA National Centers for Environmental Information gov.noaa.nodc:0246774 NCEI Archive Management System 0246774 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 Cory M. Beatty University of Montana (UMT) Cory.Beatty@umontana.edu resourceProvider University of Montana (UMT) resourceProvider Michael D. DeGrandpre University of Montana (UMT) michael.degrandpre@umontana.edu principalInvestigator DeGrandpre, Michael D. University of Montana (UMT) author University of Montana (UMT) contributor tableDigital This dataset includes surface underway measurements of partial pressure of carbon dioxide (pCO2), water temperature and sea surface salinity collected during the Beaufort Gyre Observing System/Joint Ocean Ice Study onboard the CCGS Louis S. St-Laurent during the Beaufort Gyre Observing System/Joint Ocean Ice Study cruise in the Arctic Ocean and Beaufort Sea from 2018-09-08 to 2018-10-01. The Shipboard Underway pCO2 Environmental Recorder (Sunburst Sensors, SUPER-CO2) utilizes a LICOR NDIR (non-dispersive infrared) analyzer coupled to a membrane contactor to equilibrate a gas stream to a flowing seawater sample stream. The membrane equilibrator was tied into the ship’s seawater line at a set flow rate of ~1.5 liters per minute. The SUPER-CO2 uses a Windows based tablet running custom software, developed by Sunburst Sensors, for instrument control, real-time data display and data collection. Three calibration standards (zero CO2, 386 and 710 parts per million CO2) were ran 6 times per day for the duration of the cruise. The raw collected SUPER-CO2 data was processed using a custom written Matlab QC program. The Matlab program calibrates the SUPER-CO2 values to the CO2 standards as well as temperature correcting the SUPER-CO2 to the seawater surface temperature (Dickson, 2007) This dataset is available to the public for a wide variety of uses including scientific research and analysis. Funding Information: NSF (An Arctic Ocean sea surface pCO2 and pH observing network, 1504410) 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:0246774 Preview graphic PNG 0246774 NCEI ACCESSION NUMBER 2022-01-19 publication partial pressure of carbon dioxide - water SALINITY - SURFACE WATER WATER TEMPERATURE theme NODC DATA TYPES THESAURUS carbon dioxide (CO2) gas analyzer salinometer temperature sensor instrument NODC INSTRUMENT TYPES THESAURUS chemical meteorological physical surface underway theme NODC OBSERVATION TYPES THESAURUS CCGS Louis S. St-Laurent platform NODC PLATFORM NAMES THESAURUS University of Montana dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS University of Montana dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS Ship of Opportunity Programme (SOOP) Surface Ocean CO2 Atlas (SOCAT) project NODC PROJECT NAMES THESAURUS Arctic Ocean Beaufort Sea place NODC SEA AREA NAMES THESAURUS oceanography theme WMO_CategoryCode 2012-09-15 publication UMT > University of Montana dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2026 revision 23 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 JOIS-2018, 2018-81 project Cruise ID 18SN20180908 project EXPOCODE Ocean Carbon and Acidification Data System (OCADS) Project project Ocean Acidification Search Keywords SOOP project Reference Section ID An Arctic Ocean sea surface pCO2 and pH observing network project Research Projects 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 theme Global Change Master Directory (GCMD) Science Keywords 2026 revision 23 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 SOOP theme Provider Keywords SUPER17SST SUPER17SSpCO2 SUPER17atmpCO2 SUPER17salinity theme Provider Variable Abbreviations CO2 ANALYZERS > CO2 ANALYZERS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS instrument Global Change Master Directory (GCMD) Instrument Keywords 2026 revision 23 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 Ships platform Global Change Master Directory (GCMD) Platform Keywords 2026 revision 23 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 LOUIS S. ST-LAURENT (call sign: CGBN, ICES code: 18SN, 1969-) platform ICES/SeaDataNet Ship Codes OCEAN > ARCTIC OCEAN OCEAN > ARCTIC OCEAN > BEAUFORT SEA place Global Change Master Directory (GCMD) Location Keywords 2026 revision 23 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 Arctic Ocean Beaufort Sea place Provider Geographic Names accessLevel: Public otherRestrictions Cite as: DeGrandpre, Michael D. (2022). Surface underway measurements of partial pressure of carbon dioxide (pCO2), water temperature and sea surface salinity collected onboard the CCGS Louis S. St-Laurent during the Beaufort Gyre Observing System/Joint Ocean Ice Study cruise in the Arctic Ocean and Beaufort Sea from 2018-09-08 to 2018-10-01 (NCEI Accession 0246774). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/94dc-v320. 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. SOOP USCGC Healy, R/V Sikuliaq and CCGS Louis S. St-Laurent Lines 2022 publication https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/VOS_Program/CGC_Healy.html HTTPS https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/VOS_Program/CGC_Healy.html Related resource information NOAA National Centers for Environmental Information (NCEI) publisher documentDigital 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 -153.3094 -115.658 69.0944 78.6455 2018-09-08 2018-10-01 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 32.92 https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0246774.html HTTPS Web browser Project Metadata Navigate directly to the URL for a descriptive web page with download links. information https://doi.org/10.25921/94dc-v320 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/246774 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/246774 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0194/0246774/ FTP Any FTP client FTP These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). download dataset NCEI Accession 0246774 v1.1 was published. 2022-01-28T23:13:15Z NCEI Accession 0246774 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0246774/1.1 HTTPS NCEI Accession 0246774 v1.1 published 2022-01-28T23:13:15Z download dataset Parameter or Variable: Sea surface pCO2; Abbreviation: SUPER17SSpCO2; Unit: µatm; Controlled vocabulary name: Partial pressure (or fugacity) of carbon dioxide - water; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ observation; Sampling instrument: water collection with pump; Analyzing instrument: Sunburst Sensors SUPERCO2 system; Detailed sampling and analyzing information: The Shipboard Underway pCO2 Environmental Recorder (Sunburst Sensors, SUPER-CO2) utilizes a LICOR NDIR (non-dispersive infrared) analyzer coupled to a membrane contactor to equilibrate a gas stream to a flowing seawater sample stream. The membrane equilibrator was tied into the ship’s seawater line at a set flow rate of ~1.5 liters per minute. The SUPER-CO2 uses a Windows based tablet running custom software, developed by Sunburst Sensors, for instrument control, real-time data display and data collection. Three calibration standards (zero CO2, 386 and 710 parts per million CO2) were ran 6 times per day for the duration of the cruise. The raw collected SUPER-CO2 data was processed using a custom written Matlab QC program. The Matlab program calibrates the SUPER-CO2 values to the CO2 standards as well as temperature correcting the SUPER-CO2 to the seawater surface temperature (Dickson, 2007); Uncertainty: 5 ppm Parameter or Variable: Atmospheric pCO2; Abbreviation: SUPER17atmpCO2; Unit: µatm; Controlled vocabulary name: Partial pressure (or fugacity) of carbon dioxide - atmosphere; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ observation; Sampling instrument: SUPER-CO2 internal air pump with supply source located outside the vessel gangway; Analyzing instrument: LiCOR LI-840A Parameter or Variable: SEA SURFACE TEMPERATURE; Abbreviation: SUPER17SST; Unit: DEG_C; Controlled vocabulary name: SEA SURFACE TEMPERATURE; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ observation; Sampling instrument: water collection with pump; Analyzing instrument: Seabird sensors Parameter or Variable: Sea Surface Salinity; Abbreviation: SUPER17salinity; Unit: Sea surface salinity; Controlled vocabulary name: SALINITY; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ observation; Sampling instrument: water collection with pump; Analyzing instrument: Seabird sensors asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian 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. CCGS Louis S. St-Laurent Updated information from ICES for the vessel LOUIS S. ST-LAURENT from CANADA. NOTE: Use 18SN for all data from CANADA platform CCGS LOUIS S. ST-LAURENT. Do not use 32SL for any data from non-existent UNITED STATES platform LOUIS S. ST.LAURENT. Some data were incorrectly encoded with platform code 32SL. Name : LOUIS S. ST-LAURENT Flag : CANADA - CA (ISO Country Code) Call Sign : CGBN Title : CCGS Platform Class : 30 Ship IMO : 6705937 Commissioned Date : 1969 Current Length : 119.6 Built : 1969 Notes : Canadian coastguard heavy icebreaker (Arctic class 4). Additional Information Sources: - http://www.ccg-gcc.gc.ca/Fleet/Vessel?vessel_id=81 - http://www.marinetraffic.com/ais/dk/shipdetails.aspx?MMSI=316165000&language=_GR - http://www.shipspotting.com/gallery/search.php?search_imo=6705937&page_limit=12&viewtype=1 - http://en.wikipedia.org/wiki/CCGS_Louis_S._St-Laurent - http://www.ccg-gcc.gc.ca/folios/00790/images/dfo-photo-622-multimedia-eng.jpg - www.ccg-gcc.gc.ca/folios/00019/docs/Louis-StLaurent-eng.pdf General Comments: Launch date 1966 Dec. 03 according to Miramar Official spelling corrected to LOUIS S. ST-LAURENT Confirmed on Miramar ship index