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Dissolved inorganic carbon, total alkalinity, water temperature and salinity from laboratory analyzed discrete water samples taken at the Central Gulf of Mexico Ocean Observing System buoy moored at 28.9N, 90.5W off Coastal Louisiana from 2017-07-14 to 2022-02-20 (NCEI Accession 0279824)


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            title:  Dissolved inorganic carbon, total alkalinity, water temperature and salinity from laboratory analyzed discrete water samples taken at the Central Gulf of Mexico Ocean Observing System buoy moored at 28.9N, 90.5W off Coastal Louisiana from 2017-07-14 to 2022-02-20 (NCEI Accession 0279824)
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                date:  2023-07-11
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                  Anchor:  DOI 10.25921/hk16-5q40
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                  Anchor:  NCEI Dataset ID gov.noaa.nodc:0279824
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                  Anchor:  NCEI Accession ID 0279824
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 NOAA National Centers for Environmental Information
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/4795 Stephan D. Howden
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1480 University of Southern Mississippi, Department of Marine Science
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                        electronicMailAddress:  stephan.howden@usm.edu
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1581 The University of Southern Mississippi (USM)
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                individualName:  Christopher T. Hayes
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1581 The University of Southern Mississippi (USM)
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        abstract:  This dataset consists of Dissolved inorganic carbon, total alkalinity, water temperature and salinity from laboratory analyzed discrete water samples taken at the Central Gulf of Mexico Ocean Observing System buoy moored at 28.9N, 90.5W off Coastal Louisiana from 2017-07-14 to 2022-02-20. These are validation samples for the NOAA/PMEL MAPCO2 system buoy CoastalLA_91W_30N, that includes SeaBird CTD and SAMI pH instruments (https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0209137.html).
        purpose:  Validation on measurements from moored instrumentation.
        credit:  Funding Information: NOAA (ontinued Development of the Gulf of Mexico Coastal Ocean Observing system, NA18NOS0120018)
        credit:  Funding Information: NOAA (Continued Development of the Gulf of Mexico Coastal Ocean Observing System, NA21NOS0120092)
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 NOAA National Centers for Environmental Information
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                    date:  2023-07-03
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/588 DISSOLVED INORGANIC CARBON (DIC)
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/307 SALINITY
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/5 total alkalinity
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/373 WATER TEMPERATURE
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              Anchor:  https://vocab.ices.dk/services/pox/GetCodeDetail/SHIPC/33SZ ACADIANA (call sign: WDG3928, ICES code: 33SZ, 1985)
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                title:  ICES/SeaDataNet Ship Codes
                date: (inapplicable)
        descriptiveKeywords:  (MD_Keywords)
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/75fab119-51a6-4b59-9711-f6c3cd3139db OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Location Keywords
                date:  (CI_Date)
                    date:  2023
                    dateType:  (CI_DateTypeCode) revision
                edition:  18
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)
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                        address:  (CI_Address)
                            city:  Greenbelt
                            administrativeArea:  MD
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                            linkage: https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
                            protocol:  HTTPS
                            name:  GCMD Keyword Forum Page
                            description:  Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 18. 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
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            keyword:  Gulf of Mexico
            type:  (MD_KeywordTypeCode) place
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                title:  Provider Geographic Names
                date: (inapplicable)
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            useLimitation:  accessLevel: Public
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: Hayes, Christopher T.; Howden, Stephan D. (2023). Dissolved inorganic carbon, total alkalinity, water temperature and salinity from laboratory analyzed discrete water samples taken at the Central Gulf of Mexico Ocean Observing System buoy moored at 28.9N, 90.5W off Coastal Louisiana from 2017-07-14 to 2022-02-20 (NCEI Accession 0279824). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/hk16-5q40. Accessed [date].
        resourceConstraints:  (MD_LegalConstraints)
            useLimitation:  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.
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            otherConstraints:  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.
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                title:  Coastal Louisiana Buoy (CoastalLA_91W_30N)
                date:  (CI_Date)
                    date:  2022
                    dateType:  (CI_DateTypeCode) publication
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                            linkage: https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Moorings/Coastal_LA.html
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                            name: https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Moorings/Coastal_LA.html
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 US DOC; NOAA; NESDIS; National Centers for Environmental Information (NCEI)
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                title:  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
                date:  (CI_Date)
                    date:  2022-04
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                    positionName: (unknown)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
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                            name: https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
                            description:  OCADS website
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 NOAA National Centers for Environmental Information
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 US DOC; NOAA; NESDIS; National Centers for Environmental Information (NCEI)
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                otherCitationDetails:  [accessed 2024-02-08]
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          LanguageCode:  eng; USA
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        topicCategory:  (MD_TopicCategoryCode) oceans
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                westBoundLongitude:  -90.504
                eastBoundLongitude:  -90.496
                southBoundLatitude:  28.896
                northBoundLatitude:  28.904
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                    beginPosition:  2017-07-14
                    endPosition:  2022-02-20
        supplementalInformation:  This dataset is associated with the following and cruise ID(s): N/A. This data package (Submission ID: BF6778NW1) was acquired by NCEI from the Scientific Data Integration System (SDIS) at the NOAA Pacific Marine Environmental Laboratory (PMEL) in accordance with the archival submission agreement between NCEI and PMEL.
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 NOAA National Centers for Environmental Information
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                    phone:  (CI_Telephone)
                        voice:  +1-301-713-3277
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                        electronicMailAddress:  NCEI.Info@noaa.gov
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                fees:  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.
                orderingInstructions:  Contact NCEI for other distribution options and instructions.
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                    linkage: https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0279824.html
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                    linkage: https://doi.org/10.25921/hk16-5q40
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                    name:  NCEI Dataset Landing Page
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                    linkage: https://www.ncei.noaa.gov/archive/accession/oas/279824
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                    linkage: ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0214/0279824/
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                    description:  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).
                    function:  (CI_OnLineFunctionCode) download
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                description:  NCEI Accession 0279824 v1.1 was published.
                dateTime:
                  DateTime:  2023-07-11T10:42:36Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0279824 v1.1
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                            dateType:  (CI_DateTypeCode) publication
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                            individualName: (inapplicable)
                            contactInfo:  (CI_Contact)
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                                    linkage: https://www.ncei.noaa.gov/archive/accession/0279824/1.1
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0279824 v1.1
                                    description:  published 2023-07-11T10:42:36Z
                                    function:  (CI_OnLineFunctionCode) download
                            role: (inapplicable)
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    dataQualityInfo:  (DQ_DataQuality)
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                description:  Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: DIC; Unit: micro-mole/kilogram; Observation type: profile; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: Standard Niskin; Analyzing instrument: Discrete dissolved inorganic carbon (DIC) measurement (Coulomerter); Detailed sampling and analyzing information: A glass 250 mL wide-mouth Pyrex bottle was triple rinsed with sample water and then filled smoothly and overfilled with half a sample bottle volume. Following collection, the headspace was adjusted by removing seawater so that 1% of the bottle volume was left to allow for water expansion (i.e., 2.5 mL headspace for a 250 mL bottle). The samples were amended with 50 μl of 50% saturated reagent grade HgCl2 solution, capped tight with o-ring seal, stored in a cooler for transportation and then in a refrigerator until analysis (usually within 3-5 days). Samples were analyzed for inorganic carbon using methods from Dickson et al. (2007) by acidifying 30 mL of sample with 4 mL of 2 M phosphoric acid and measuring the extracted CO2 on a UIC Coulometer. Samples were brought to 24°C using a water jacket before DIC analysis. A handheld syringe was used to extract water from the sample bottle with tygon tubing, the sample was accurately weighed for mass and then injected with a metal needle through a rubber septa into the UIC acidification unit linked to the Coulometer. In-house sodium carbonate/sodium chloride solutions were used for standard checks on daily basis (i.e., for each daily run). DIC Certified Reference Material solutions from Dickson/Scripps were used less frequently (6 months to annually depending on frequency of sample analysis) to determine/update the calibration factor for DIC concentrations. The standard deviations of multiple replicates of the CRM or daily standard were used to determine the reported uncertainty in DIC. Reported in this data report are also data from collaborating labs at the University of Delaware (Cai) and Texas A&M University-Corpus Christi (Hu). As our USM lab did not participate in a previous laboratory intercomparison, we sent replicate samples to our colleagues at these intercalibrated labs as a measure of our external reproducibility.; Replicate information: In general triplicate glass bottle samples were taken from the same Niskin bottle. The reported value is the average of triplicate analyses. In cases where we sent replicates to another lab for intercomparison, triplicate samples were also provided to the other lab.; Standardization description: The UIC Coulometer produces an absolute value of carbon analyzed, not requiring a standard curve. We used the apparent value measured on the Dickson CRM to calculate the "calibration factor", described by Dickson et al. (2007), to correct measured DIC values.; Standardization frequency: Daily; CRM manufacturer: Dickson/Scripps; CRM batch number: 183; Preservation method: HgCl2; Preservative volume: 50 μl of 50% saturated reagent grade HgCl2 solution added to 250 mL sample; Preservative correction: No preservative correction was made.; Uncertainty: 0.6%; Method reference: Dickson et al. 2007; Researcher name: Christopher Hayes; Researcher institution: University of Southern Mississippi.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Total alkalinity; Abbreviation: TA; Unit: micro-mole/kg; Observation type: profile; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: Niskin bottle; Analyzing instrument: Alkalinity titrator; Type of titration: Gran; Cell type (open or closed): open; Detailed sampling and analyzing information: A glass 250 mL wide-mouth Pyrex bottle was triple rinsed with sample water and then filled smoothly and overfilled with half a sample bottle volume. Following collection, the headspace was adjusted by removing seawater so that 1% of the bottle volume was left to allow for water expansion (i.e., 2.5 mL headspace for a 250 mL bottle). The samples were amended with 50 μl of 50% saturated reagent grade HgCl2 solution, capped tight with o-ring seal, stored in a cooler for transportation and then in a refrigerator until analysis (usually within 3-5 days). Samples were analyzed for TA by Gran Titration (Gran 1952) on an Apollo SciTech, Newark, DE, Total Alkalinity Titrator AS-ALK2 on the day following DIC analysis. In-house sodium carbonate/sodium chloride solutions were used for standard checks on daily basis (i.e., for each daily run). TA Certified Reference Material solutions from Dickson/Scripps were used less frequently (6 months to annually depending on frequency of sample analysis) to check the acid concentration of the titrating acid and/or determine the volumetric systems were properly functioning. The standard deviations of multiple replicates of the CRM or daily standard were used to determine the reported uncertainty in Alkalinity. Gran function calculations to determine alkalinity from the titration are automated by the Apollo SciTech software. Reported in this data report are also data from collaborating labs at the University of Delaware (Cai) and Texas A&M University-Corpus Christi (Hu). As our USM lab did not participate in a previous laboratory intercomparison, we sent replicate samples to our colleagues at these intercalibrated labs as a measure of our external reproducibility.; Replicate information: In general triplicate glass bottle samples were taken from the same Niskin bottle. The reported value is the average of triplicate analyses. In cases where we sent replicates to another lab for intercomparison, triplicate samples were also provided to the other lab.; Standardization description: The AS-ALK2 titrator requires precise knowledge of the acid concentration of the hydrochloric acid/sodium chloride solution used for titration. We verified the concentration of our titration acid both by checking against in-house standard and the Dickson/Scripps solution. Additionally, we purchased a CRM acid from Dickson and analyzed the Dickson standard to verify the calibrationo of the system. Additionally, the volumetric based system required converting the alkalinity per volume to akalinity per mass using the density of the seawater sample based on the measured salinity and the 24 degree C temperature of the measured sample set by water jacket during measurement. The pH meter on the alkalintiy titrator was daily calibrated using standard Fisher buffer solutions.; Standardization frequency: Daily; CRM manufacturer: Dickson/Scripps; CRM batch number: 183; Preservation method: HgCl2; Preservative volume: 50 microliters of 50% saturated HgCl2 solution; Preservative correction: No preservative correction; TA blank correction: No blank correction; Uncertainty: 0.1%; Method reference: Gran (1952); Researcher name: Christopher Hayes; Researcher institution: University of Southern Mississippi.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Sea Surface Temperature; Abbreviation: SST; Unit: Deg. Cesius; Controlled vocabulary name: Sea Surface Temperature; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: water collection with pump; Analyzing instrument: Seabird sensors.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Sea Surface Salinity; Abbreviation: Salinity; Controlled vocabulary name: Sea Surface Salinity; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: water collection with pump; Analyzing instrument: Seabird sensors .
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        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
        contact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            role:  (CI_RoleCode) custodian
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  bottle
            type:  bottle
            description:  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.
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  carbon dioxide (CO2) gas analyzer
            type:  carbon dioxide (CO2) gas analyzer
            description:  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.
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  salinometer
            type:  salinometer
            description:  generic salinometer use salinometer when the instrument type used is unclear but the data include salinity measurements
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  temperature sensor
            type:  temperature sensor
            description:  A sensor used to measure temperature.
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  titrator
            type:  titrator
            description:  titrator
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  R/V Acadiana
            description:  Updated information from ICES for the vessel ACADIANA from UNITED STATES. Name : ACADIANA Flag : UNITED STATES - US (ISO Country Code) Title : R/V Platform Class : 31 Research vessel Commissioned Date : 1987 Current Length : 17.7 Notes : WOD code 10013. The vessel is outfitted to support research and educational activities in Louisiana coastal bays and nearshore waters. Vessel active at least since 1987. Additional Information Sources: - http://lumconvessels.com/rv-acadiana - http://pubs.usgs.gov/circ/circ1133/big-sample.html General Comments: Commissioned date is at least from 1987 according to http://pubs.usgs.gov/circ/circ1133/big-sample.html The R/V Acadiana was designed and built by Breaux's Bay craft, Inc. in Loreauville, LA with funding for her construction provided by the Louisiana Universities Marine Consortium. Home port is at the Defelice Marine Center in Cocodrie, LA. The vessel is outfitted to support research and educational activities in Louisiana coastal bays and nearshore waters. Submitted to ICES on 2014-09-25. Confirmed by NOAA on 2015-01-09.
            instrument: (missing)