gov.noaa.nodc:0108099 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 2026-04-19T19:42:27Z ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) Dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from MIRAI in the South Atlantic Ocean from 2003-11-06 to 2003-12-05 (NCEI Accession 0108099) 2013-06-05 publication 2017-02-22 revision 2013-06-05 creation International DOI Foundation (IDF) 10.25921/gjsx-gy37 NOAA National Centers for Environmental Information gov.noaa.nodc:0108099 NCEI Archive Management System 0108099 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 Alex Kozyr Cooperative Institute for Satellite Earth System Studies (CISESS) Alex.Kozyr@noaa.gov https://cisess.umd.edu/ HTTPS Cooperative Institute for Satellite Earth System Studies (CISESS) website Institution web page information resourceProvider Carbon Dioxide Information Analysis Center (CDIAC) resourceProvider Akihiko Murata Research Institute for Global Change (RIGC) akihiko.murata@jamstec.go.jp https://www.jamstec.go.jp/rigc/ HTTPS Research Institute for Global Change (RIGC) website Institution web page information principalInvestigator Shuichi Watanabe JAMSTEC, Mutsu Institute for Oceanography (MIO) swata@jamstec.go.jp http://www.jamstec.go.jp/jamstec-e/mutu/ HTTP JAMSTEC, Mutsu Institute for Oceanography (MIO) website Institution web page information principalInvestigator Masao Fukasawa Japan Agency for Marine-Earth Science and Technology (JAMSTEC) fksw@jamstec.go.jp http://www.jamstec.go.jp HTTP Japan Agency for Marine-Earth Science and Technology (JAMSTEC) website Institution web page information principalInvestigator Hiroshi Uchida Japan Agency for Marine-Earth Science and Technology (JAMSTEC) http://www.jamstec.go.jp HTTP Japan Agency for Marine-Earth Science and Technology (JAMSTEC) website Institution web page information collaborator Uchida, Hiroshi Japan Agency for Marine-Earth Science and Technology (JAMSTEC) http://www.jamstec.go.jp HTTP Japan Agency for Marine-Earth Science and Technology (JAMSTEC) website Institution web page information author Fukasawa, Masao Japan Agency for Marine-Earth Science and Technology (JAMSTEC) http://www.jamstec.go.jp HTTP Japan Agency for Marine-Earth Science and Technology (JAMSTEC) website Institution web page information author Murata, Akihiko Research Institute for Global Change (RIGC) https://www.jamstec.go.jp/rigc/ HTTPS Research Institute for Global Change (RIGC) website Institution web page information author Japan Agency for Marine-Earth Science and Technology (JAMSTEC) http://www.jamstec.go.jp HTTP Japan Agency for Marine-Earth Science and Technology (JAMSTEC) website Institution web page information contributor tableDigital This dataset includes chemical, discrete sample, physical and profile data collected from MIRAI in the South Atlantic Ocean from 2003-11-06 to 2003-12-05. These data include CHLOROFLUOROCARBON-11 (CFC-11), CHLOROFLUOROCARBON-113 (CFC-113), CHLOROFLUOROCARBON-12 (CFC-12), Cesium-137, DELTA CARBON-13, DELTA CARBON-14, DISSOLVED INORGANIC CARBON (DIC), DISSOLVED OXYGEN, HYDROSTATIC PRESSURE, NITRATE, NITRITE, Potential temperature (theta), SALINITY, SIGMA-T, TOTAL ALKALINITY (TA), Total Organic Carbon (TOC), Tritium (Hydrogen isotope), WATER TEMPERATURE, pH, phosphate and silicate. The instruments used to collect these data include Alkalinity titrator, CTD, Coulometer for DIC measurement, bottle and spectrophotometer. These data were collected by Shuichi Watanabe of JAMSTEC; Mutsu Institute for Oceanography (MIO), Masao Fukasawa of Japan Agency for Marine-Earth Science and Technology (JAMSTEC), and Akihiko Murata of Meteorological Research Institute as part of the CLIVAR_A10_2003, (BEAGLE2003) dataset. CDIAC associated the following cruise ID(s) with this dataset: BEAGLE2003 The International CLIVAR Global Ocean Carbon and Repeat Hydrography Program carries out a systematic and global re-occupation of select WOCE/JGOFS hydrographic sections to quantify changes in storage and transport of heat, fresh water, carbon dioxide (CO2), and related parameters. This dataset is available to the public for a wide variety of uses including scientific research and analysis. 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 0108099 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:0108099 Preview graphic PNG 0108099 NCEI ACCESSION NUMBER 2017-02-22 publication CARBON - TOTAL ORGANIC Cesium-137 CHLOROFLUOROCARBON-11 (CFC-11) CHLOROFLUOROCARBON-113 (CFC-113) CHLOROFLUOROCARBON-12 (CFC-12) DELTA CARBON-13 DELTA CARBON-14 DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN HYDROSTATIC PRESSURE NITRATE NITRITE pH phosphate Potential temperature (theta) SALINITY SIGMA-T silicate total alkalinity Tritium (Hydrogen isotope) WATER TEMPERATURE theme NODC DATA TYPES THESAURUS bottle coulometer for DIC measurement CTD spectrophotometer titrator instrument NODC INSTRUMENT TYPES THESAURUS chemical discrete sample physical profile theme NODC OBSERVATION TYPES THESAURUS R/V MIRAI platform NODC PLATFORM NAMES THESAURUS Japan Agency for Marine-Earth Science and Technology dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS Carbon Dioxide Information Analysis Center dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS CARbon dioxide IN the Atlantic Ocean (CARINA) Climate Variability and Predictability (CLIVAR) project NODC PROJECT NAMES THESAURUS South Atlantic Ocean place NODC SEA AREA NAMES THESAURUS oceanography theme WMO_CategoryCode 2012-09-15 publication DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce DOE/ORNL/ESD/CDIAC > Carbon Dioxide Information Analysis Center, Environmental Sciences Division, Oak Ridge National Laboratory, U. S. Department of Energy JP/JAMSTEC > Japan Agency for Marine-Earth Science and Technology, Japan 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 BEAGLE2003 project Cruise ID 49NZ03K04_4 49NZ20031106 project EXPOCODE CARINA > CARINA (CARbon dioxide IN the Atlantic Ocean) Data Synthesis Project CLIVAR > Climate Variability project Global Change Master Directory (GCMD) Project 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 Ocean Carbon and Acidification Data System (OCADS) Project project Ocean Acidification Search Keywords CLIVAR A10_2003 project Reference Section ID EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > POTENTIAL TEMPERATURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY 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 Discrete measurement Profile theme OCADS Study Type ALKALI C13ERR C14ERR CFC-11 CFC-12 CFC113 CTDOXY CTDSAL CTDTMP DELC13 DELC14 DIC NITRAT NITRIT OXYGEN PHSPHT SALNTY SILCAT TA TCARBN pH theme Provider Variable Abbreviations COULOMETERS CTD > Conductivity, Temperature, Depth OPTSPEC > Optical Spectrometer 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 MIRAI (call sign: JNSR, ICES code: 49NZ, 1996-) platform ICES/SeaDataNet Ship Codes OCEAN > ATLANTIC OCEAN > SOUTH ATLANTIC OCEAN 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 Atlantic Ocean place Provider Geographic Names accessLevel: Public otherRestrictions Cite as: Uchida, Hiroshi; Fukasawa, Masao; Murata, Akihiko (2013). Dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from MIRAI in the South Atlantic Ocean from 2003-11-06 to 2003-12-05 (NCEI Accession 0108099). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/gjsx-gy37. 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. Uchida, H., M. Fukasawa, and A. Murata. 2005. WHP P6, A10, I3/I4 REVISIT DATA BOOK Blue Earth Global Expedition 2003 (BEAGLE2003) Volume 1,2. JAMSTEC Publication. https://ndlsearch.ndl.go.jp/books/R100000002-I023590005 2005 publication https://ndlsearch.ndl.go.jp/books/R100000002-I023590005 HTTPS https://ndlsearch.ndl.go.jp/books/R100000002-I023590005 Related resource information 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 CLIVAR Repeat Section A10 2022 publication https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/clivar_a10.html HTTPS https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/clivar_a10.html Related resource information NOAA National Centers for Environmental Information (NCEI) publisher documentDigital crossReference project Data Management Support for the International Global Ocean Carbon and Repeat Hydrography ProgramM 2022 publication https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/ HTTPS https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/RepeatSections/ Related resource information NOAA National Centers for Environmental Information (NCEI) publisher documentDigital crossReference project eng; USA utf8 environment oceans -47.3898 15.0012 -30.2172 -27.7318 2003-11-06 2003-12-05 These data were acquired by NCEI from the Carbon Dioxide Information Analysis Center (CDIAC) in accordance with an archival submission agreement between CDIAC and NCEI. 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. CSV 31.428 https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0108099.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/gjsx-gy37 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/108099 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/108099 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0057/0108099/ 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 0108099 v1.1 was published. 2013-06-05T20:55:10Z NCEI Accession 0108099 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0108099/1.1 HTTPS NCEI Accession 0108099 v1.1 published 2013-06-05T20:55:10Z download NCEI Accession 0108099 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. 2017-02-22T20:05:34Z NCEI Accession 0108099 v2.2 publication https://www.ncei.noaa.gov/archive/accession/0108099/2.2 HTTPS NCEI Accession 0108099 v2.2 published 2017-02-22T20:05:34Z download dataset Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: DIC; Observation type: discrete; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Calculated; Detailed sampling and analyzing information: Coulometric, Systems A and B: Nippon ANS, Inc. and coulometer Model 5012, UIC Inc.; CRM batch number: 60=1991.24 μmol/kg Parameter or Variable: Total alkalinity; Abbreviation: TA; Observation type: discrete; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Type of titration: Gran; Cell type (open or closed): Closed; Curve fitting method: The measuring system for AT (customized by Nippon ANS, Inc.) comprises of a water dispensing unit with an auto-sampler (6 ports), an auto-burette (Metrohm) and a pH meter (Thermo Orion). Parameter or Variable: pH; Abbreviation: pH; pH scale: Total scale; Observation type: discrete; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Temperature of pH measurement: 25; Detailed sampling and analyzing information: Measurement of pH was made by a pH measuring system (Nippon ANS, Inc.), which adopts a method of the spectrophotometric determination. The measuring system comprises of a water dispensing unit with an auto-sampler and a spectrophotometer (Carry 50 Scan, Varian). Parameter or Variable: CTDTMP; Abbreviation: CTDTMP; Unit: DEG_C; Controlled vocabulary name: WATER TEMPERATURE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: CTDSAL; Abbreviation: CTDSAL; Controlled vocabulary name: SALINITY; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: SALNTY; Abbreviation: SALNTY; Controlled vocabulary name: SALINITY; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: CTDOXY; Abbreviation: CTDOXY; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED OXYGEN; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: OXYGEN; Abbreviation: OXYGEN; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED OXYGEN; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: SILCAT; Abbreviation: SILCAT; Unit: UMOL/KG; Controlled vocabulary name: silicate; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: NITRAT; Abbreviation: NITRAT; Unit: UMOL/KG; Controlled vocabulary name: NITRATE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: NITRIT; Abbreviation: NITRIT; Unit: UMOL/KG; Controlled vocabulary name: NITRITE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: PHSPHT; Abbreviation: PHSPHT; Unit: UMOL/KG; Controlled vocabulary name: phosphate; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: CFC-11; Abbreviation: CFC-11; Unit: PMOL/KG; Controlled vocabulary name: CHLOROFLUOROCARBON-11 (CFC-11); In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: CFC-12; Abbreviation: CFC-12; Unit: PMOL/KG; Controlled vocabulary name: CHLOROFLUOROCARBON-12 (CFC-12); In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: CFC113; Abbreviation: CFC113; Unit: PMOL/KG; Controlled vocabulary name: CHLOROFLUOROCARBON-113 (CFC-113); In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: TCARBN; Abbreviation: TCARBN; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED INORGANIC CARBON (DIC); In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: ALKALI; Abbreviation: ALKALI; Unit: UMOL/KG; Controlled vocabulary name: total alkalinity; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: PH; Abbreviation: PH; Unit: TOT@25C; Controlled vocabulary name: pH; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: DELC13; Abbreviation: DELC13; Unit: /MILLE; Controlled vocabulary name: DELTA CARBON-13; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: C13ERR; Abbreviation: C13ERR; Unit: /MILLE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: DELC14; Abbreviation: DELC14; Unit: /MILLE; Controlled vocabulary name: DELTA CARBON-14; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: C14ERR; Abbreviation: C14ERR; Unit: /MILLE; In-situ / Manipulation / Response variable: in-situ observation repository NOAA National Centers for Environmental Information NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015. 2015-04-22T00:00:00 asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian bottle bottle any type of water bottle sampling device Generic name for water collection device; usually used to determine temperature, salinity and provide water aliquots for measurement of a wide range of parameters; often referred to by a specific type of water sampling bottle, such as a Nansen or Niskin bottle. coulometer for DIC measurement coulometer for DIC measurement measures dissolved inorganic carbon (DIC) 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 by absorbing the CO2 in an absorbent. The pH of the solution is monitored by measuring the transmittance . CTD CTD Conductivity-Temperature-Depth probe spectrophotometer spectrophotometer spectrophotometer, optical spectrometer, spectrograph or spectroscope An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials. Butler, L. R. P.; Laqua, K. (1995). "Nomenclature, symbols, units and their usage in spectrochemical analysis-IX. Instrumentation for the spectral dispersion and isolation of optical radiation (IUPAC Recommendations 1995)". Pure Appl. Chem. IUPAC. 67 (10): 1725–1744. doi:10.1351/pac199567101725. A spectrometer is the general term for describing a combination of spectral apparatus with one or more detectors to measure the intensity of one or more spectral bands." titrator titrator titrator R/V MIRAI R/V, Japan Agency for Marine-Earth Science and Technology (JAMSTEC); built 1972 as Mutsu; renamed on 2 Dec 1996; active as Mar 2007;