gov.noaa.nodc:0170657 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 2026-07-27T13:03:32Z ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) Discrete profile measurements of dissolved inorganic carbon, total alkalinity and other hydrographic and chemical data during the R/V Meteor cruise M116/1 (EXPOCODE 06MT20150501) in the Tropical Atlantic Ocean from 2015-05-01 to 2015-06-03 (NCEI Accession 0170657) 2018-02-16 publication 2026-07-22 revision 2018-02-15 creation International DOI Foundation (IDF) 10.7289/v5qc01tk NOAA National Centers for Environmental Information gov.noaa.nodc:0170657 NCEI Archive Management System 0170657 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 Robert M. Key Princeton University key@princeton.edu http://www.princeton.edu HTTP Princeton University website Institution web page information resourceProvider Princeton University http://www.princeton.edu HTTP Princeton University website Institution web page information resourceProvider Martin Visbeck Leibniz Institute of Marine Sciences (IFM-GEOMAR) mvisbeck@ifm-geomar.de http://www.ifm-geomar.de/index.php?id=home&L=1 HTTP Leibniz Institute of Marine Sciences (IFM-GEOMAR) website Institution web page information principalInvestigator Toste Tanhua GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) ttanhua@ifm-geomar.de http://www.geomar.de/ HTTP GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) website Institution web page information principalInvestigator Arne Körtzinger GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) akoertzinger@geomar.de http://www.geomar.de/ HTTP GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) website Institution web page information principalInvestigator Sunke Schmidtko Leibniz Institute of Marine Sciences (IFM-GEOMAR) sschmidt@ifm-geomar.de http://www.ifm-geomar.de/index.php?id=home&L=1 HTTP Leibniz Institute of Marine Sciences (IFM-GEOMAR) website Institution web page information collaborator Visbeck, Martin Leibniz Institute of Marine Sciences http://www.ifm-geomar.de/index.php?id=home&L=1 HTTP Leibniz Institute of Marine Sciences (IFM-GEOMAR) website Institution web page information author Tanhua, Toste GEOMAR Helmholtz Centre for Ocean Research Kiel http://www.geomar.de/ HTTP GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) website Institution web page information author Körtzinger, Arne GEOMAR Helmholtz Centre for Ocean Research Kiel http://www.geomar.de/ HTTP GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) website Institution web page information author Schmidtko, Sunke Leibniz Institute of Marine Sciences http://www.ifm-geomar.de/index.php?id=home&L=1 HTTP Leibniz Institute of Marine Sciences (IFM-GEOMAR) website Institution web page information author GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) http://www.geomar.de/ HTTP GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR) website Institution web page information contributor tableDigital This dataset includes profile discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, temperature, salinity, oxygen, nutrients and CFCs obtained during the R/V Meteor cruise M116/1 (EXPOCODE 06MT20150501) in the Tropical Atlantic Ocean from 2015-05-01 to 2015-06-03. To better understand the supply of oxygen to the oxygen minimum zone (OMZ) of the Tropical Atlantic Funding Information: Deutsche Forschungsgemeinschaft (DFG) and the Bundesministerium für Bildung und Forschung (BMBF) (Oxygen in the Tropical Atlantic) 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 NCEI Accession 0170657 was revised and a new version of the archival package was published. Updates to existing archival packages may provide additional files or replace obsolete files. The latest version contains the most complete and up-to-date representation of this archival information package. All of the files received prior to this update are available in the preceding version of this accession. Please see journal.txt in the /about directory for additional details on changes made. https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0170657 Preview graphic PNG 0170657 NCEI ACCESSION NUMBER 2026-03-16 publication CHLOROFLUOROCARBON (CFC) DISSOLVED INORGANIC CARBON (DIC) NUTRIENTS OXYGEN SALINITY sulfur hexafluoride (SF6) total alkalinity WATER TEMPERATURE theme NODC DATA TYPES THESAURUS CTD Multi-parameter Inorganic Carbon Analyzer (MICA) Niskin bottle Non-dispersive infrared (NDIR) dissolved inorganic carbon (DIC) analyzer nutrient autoanalyzer instrument NODC INSTRUMENT TYPES THESAURUS chemical discrete sample physical profile theme NODC OBSERVATION TYPES THESAURUS METEOR platform NODC PLATFORM NAMES THESAURUS GEOMAR Helmholtz Centre for Ocean Research Kiel dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS Princeton University dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS The Global Ocean Ship-based Hydrographic Investigations Program (GO-SHIP) project NODC PROJECT NAMES THESAURUS North Atlantic Ocean place NODC SEA AREA NAMES THESAURUS oceanography theme WMO_CategoryCode 2012-09-15 publication DE/GEOMAR > GEOMAR - Helmholtz Centre for Ocean Research Kiel, Germany dataCentre Global Change Master Directory (GCMD) Data Center 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 M116/1 project Cruise ID 06MT20150501 project EXPOCODE Ocean Carbon and Acidification Data System (OCADS) Project project Ocean Acidification Search Keywords A06 project Reference Section ID EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > HALOCARBONS AND HALOGENS > CHLOROFLUOROCARBONS EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > DISSOLVED GASES EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > HYDROCARBONS EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NUTRIENTS EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN 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 Discrete measurement theme OCADS Study Type ALKALI CFC CTDOXY CTDSAL CTDTMP OXYGEN SALNTY SILCAT, NITRAT, NITRIT, PHSPHT TCARBN theme Provider Variable Abbreviations AUTOANALYZER > AUTOANALYZER CARBON ANALYZERS > CARBON ANALYZERS CO2NDIR > Carbon Dioxide Nondispersive Infrared Analyzer CTD > Conductivity, Temperature, Depth NISKIN BOTTLES 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 METEOR (call sign: DBBH, ICES code: 06M3, 1986-) platform ICES/SeaDataNet Ship Codes OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC 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 Atlantic Ocean place Provider Geographic Names accessLevel: public otherRestrictions Cite as: Visbeck, Martin; Tanhua, Toste; Körtzinger, Arne; Schmidtko, Sunke (2018). Discrete profile measurements of dissolved inorganic carbon, total alkalinity and other hydrographic and chemical data during the R/V Meteor cruise M116/1 (EXPOCODE 06MT20150501) in the Tropical Atlantic Ocean from 2015-05-01 to 2015-06-03 (NCEI Accession 0170657). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.7289/v5qc01tk. 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. license This dataset is licensed under the Creative Commons Attribution 4.0 International (CC BY 4.0) License. SPDX License: Creative Commons Attribution 4.0 International (CC-BY-4.0) CLIVAR Repeat Section A06 2022 publication https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/clivar_a06.html HTTPS https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/clivar_a06.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 -58.6 -17.6 3.9 15 2015-05-01 2015-06-03 In this accession, NCEI has archived multiple versions of these data. The latest (and best) version of these data has the largest version number. 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 2.12 https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0170657.html HTTPS Web browser Project Metadata Navigate directly to the URL for a descriptive web page with download links. information https://doi.org/10.7289/v5qc01tk 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/170657 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/170657 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0117/0170657/ 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 0170657 v1.1 was published. 2018-02-16T02:36:06Z NCEI Accession 0170657 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0170657/1.1 HTTPS NCEI Accession 0170657 v1.1 published 2018-02-16T02:36:06Z download NCEI Accession 0170657 was revised and v2.2 was published. Updates were received for this dataset. These updates were copied into the data/0-data/ directory of this accession. These updates may provide additional files or replace obsolete files. This version contains the most complete and up-to-date representation of this archival information package. All of the files received prior to this update are available in the preceding version of this accession. 2018-03-28T22:13:19Z NCEI Accession 0170657 v2.2 publication https://www.ncei.noaa.gov/archive/accession/0170657/2.2 HTTPS NCEI Accession 0170657 v2.2 published 2018-03-28T22:13:19Z download NCEI Accession 0170657 was revised and v3.3 was published. Updates were received for this dataset. These updates were copied into the data/0-data/ directory of this accession. These updates may provide additional files or replace obsolete files. This version contains the most complete and up-to-date representation of this archival information package. All of the files received prior to this update are available in the preceding version of this accession. 2026-07-22T19:58:34Z NCEI Accession 0170657 v3.3 publication https://www.ncei.noaa.gov/archive/accession/0170657/3.3 HTTPS NCEI Accession 0170657 v3.3 published 2026-07-22T19:58:34Z download dataset Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: TCARBN; Unit: UMOL/KG; Observation type: Discrete, bottle; Measured or calculated: Measured; Analyzing instrument: SOMMA (single operator multi-parameter metabolic analyzer) system, which is based on coulometric titration of the CO2 evolved from the seawater sample upon acidification with phosphoric acid (Johnson et al., 1993); Replicate information: DIC was determined from 1246 samples at 66 stations. A total amount of 107 duplicates (σ = 1.30 μmol/kg) and 8 triplicates (σ = 0.65 μmol/kg) were taken and 105 CRMs were measured in order to determine accuracy and precision.; CRM manufacturer: Andrew Dickson Laboratory at SIO; CRM batch number: Batch 142 and 143; Preservation method: mercuric chloride solution; Preservative volume: 100 mL; Uncertainty: precision was better than 2 micromol kg-1; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Method reference: Johnson, K.M., Wills, K.D., Butler, D.B., Johnson, W.K., and Wong, C.S. (1993). Coulometric total carbon dioxide analysis for marine studies: Maximizing the performance of an automated continuous gas extraction system and coulometric detector. Marine Chemistry, 44, pp 167-189.; Researcher name: Arne Körtzinger; Researcher institution: GEOMAR Germany Parameter or Variable: Total alkalinity; Abbreviation: ALKALI; Unit: UMOL/KG; Observation type: Discrete, bottle; Measured or calculated: Measured; Analyzing instrument: Semi-automatic analyzer called VINDTA (Versatile Instrument for the Determination of Titration Alkalinity).; Type of titration: potentiometric titration; Cell type (open or closed): open; Standardization description: TA was determined from 1246 samples at 66 stations. A total amount of 108 duplicates (σ = 2.73 μmo/kg)and 9 triplicates (σ = 2.02 μmol/kg) were taken and 122 CRM’s were measured in order to determine accuracy and precision.; CRM batch number: Batch 142 and 143; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Method reference: Dickson, Andrew G., Chris Sabine and James R. Christian, editors, "Guide to Best Practices for Ocean CO2 Measurements", Pices Special Publication 3, IOCCP Report No. 8, October 2007, SOP 3b, "Determination of total alkalinity in sea water using an open-cell titration"; Researcher name: Arne Körtzinger; Researcher institution: GEOMAR Germany Parameter or Variable: CTD Temperature; Abbreviation: CTDTMP; Unit: degrees celcius; Observation type: CTD sensor; Sampling instrument: CTD; Analyzing instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Sunke Schmidtko; Researcher institution: GEOMAR Germany Parameter or Variable: CTD Salinity; Abbreviation: CTDSAL; Observation type: CTD sensor; Sampling instrument: CTD; Analyzing instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Sunke Schmidtko; Researcher institution: GEOMAR Germany Parameter or Variable: Bottle Salinity; Abbreviation: SALNTY; Observation type: Bottle, discrete; Sampling instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Martin Visbeck; Researcher institution: GEOMAR Germany Parameter or Variable: CTD Oxygen; Abbreviation: CTDOXY; Unit: UMOL/KG; Observation type: CTD sensor; Sampling instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Sunke Schmidtko; Researcher institution: GEOMAR Germany Parameter or Variable: Bottle Oxygen; Abbreviation: OXYGEN; Unit: UMOL/KG; Observation type: Bottle, discrete; Sampling instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Toste Tanhua;; Researcher institution: GEOMAR Germany Parameter or Variable: Nutrients; Abbreviation: SILCAT, NITRAT, NITRIT, PHSPHT; Unit: UMOL/KG; Observation type: Bottle, discrete; Sampling instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Toste Tanhua;; Researcher institution: GEOMAR Germany Parameter or Variable: CFC; Abbreviation: CFC; Unit: PMOL/KG; Observation type: Bottle, discrete; Sampling instrument: CTD bottles; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Toste Tanhua;; Researcher institution: GEOMAR Germany asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian CTD CTD Conductivity-Temperature-Depth probe Multi-parameter Inorganic Carbon Analyzer (MICA) Multi-parameter Inorganic Carbon Analyzer (MICA) automated Multi-parameter Inorganic Carbon Analyzer (MICA) for autonomous measurement of pH, carbon dioxide (CO2) and dissolved inorganic carbon (DIC) The automated Multi-parameter Inorganic Carbon Analyzer (MICA) is used to simultaneously measure underway surface seawater pH, fCO2, and TCO2. Niskin bottle Niskin bottle Device for obtaining samples of seawater at a specific depth Why special entry for Niskin bottle but no entry for Nansen bottle? Non-dispersive infrared (NDIR) dissolved inorganic carbon (DIC) analyzer Non-dispersive infrared (NDIR) dissolved inorganic carbon (DIC) analyzer A known amount of seawater is dispensed into a stripping chamber where it is acidified and purged with an inert gas. The amount of CO2 in the resulting gas stream is determined with a non-dispersive infrared (NDIR) carbon dioxide analyzer. nutrient autoanalyzer nutrient autoanalyzer Laboratory Instrument Nutrient Autoanalyzer is a generic term describing an automated flow-thru system used to conduct analyses of several different nutrients (nitrate, ammonium, orthophosphate, and silicate) simultaneously from a seawater sample. For example: SEAL AutoAnalyzer 3 HR Continuous Segmented Flow Analyzer METEOR Oceanographic research vessel. Active: since 1986