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Surface underway measurements of partial pressure of CO2 (pCO2) and other parameters aboard NOAA Ship Ronald H. Brown during the Atlantic, Pacific and Indian Oceans cruises in 2018 (NCEI Accession 0175723)


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            title:  Surface underway measurements of partial pressure of CO2 (pCO2) and other parameters aboard NOAA Ship Ronald H. Brown during the Atlantic, Pacific and Indian Oceans cruises in 2018 (NCEI Accession 0175723)
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                date:  2018-09-11
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/4918 Kevin F. Sullivan
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/2530 Rik Wanninkhof
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/5036 Denis Pierrot
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/268 US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory (AOML)
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        abstract:  This dataset includes surface underway, chemical, meteorological and physical data collected from NOAA Ship Ronald H. Brown in the Atlantic, Pacific and Indian Oceans in 2018. These data include air-sea difference of partial pressure of carbon dioxide (pCO2), barometric pressure, pCO2 in atmosphere, pCO2 in water, salinity and sea surface temperature. The instruments used to collect these data include CO2 gas analyzer and shower head chamber equilibrator for autonomous CO2 measurement. These data were collected by Rik Wanninkhof, Denis Pierrot and Kevin Sullivan of NOAA Atlantic Oceanographic and Meteorological Laboratory as part of the SOOP (Ship of Opportunity Program) NOAA Ship Ronald H. Brown 2018 cruises data set.
        purpose:  The major objectives of this cruise is to provide a high quality measurements of atmospheric and sea surface pCO2, sea surface salinity, temperature, and other parameters, in the Oceans.
        credit:  Funding Information: NOAA Climate Program Office Program (Surface Water pCO2 Measurements from Ships of Opportunity (SOOP))
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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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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  NCEI Accession 0175723 v1.1 was published.
                dateTime:
                  DateTime:  2018-09-11T19:48:14Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0175723 v1.1
                        date:  (CI_Date)
                            date: (inapplicable)
                            dateType:  (CI_DateTypeCode) publication
                        citedResponsibleParty:  (CI_ResponsibleParty)
                            individualName: (inapplicable)
                            contactInfo:  (CI_Contact)
                                onlineResource:  (CI_OnlineResource)
                                    linkage: https://www.ncei.noaa.gov/archive/accession/0175723/1.1
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0175723 v1.1
                                    description:  published 2018-09-11T19:48:14Z
                                    function:  (CI_OnLineFunctionCode) download
                            role: (inapplicable)
            processStep:  (LE_ProcessStep)
                description:  NCEI Accession 0175723 was revised and v2.2 was published.
                rationale:  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.
                dateTime:
                  DateTime:  2019-03-22T17:43:15Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0175723 v2.2
                        date:  (CI_Date)
                            date: (inapplicable)
                            dateType:  (CI_DateTypeCode) publication
                        citedResponsibleParty:  (CI_ResponsibleParty)
                            individualName: (inapplicable)
                            contactInfo:  (CI_Contact)
                                onlineResource:  (CI_OnlineResource)
                                    linkage: https://www.ncei.noaa.gov/archive/accession/0175723/2.2
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0175723 v2.2
                                    description:  published 2019-03-22T17:43:15Z
                                    function:  (CI_OnLineFunctionCode) download
                            role: (inapplicable)
            processStep:  (LE_ProcessStep)
                description:  NCEI Accession 0175723 was revised and v3.3 was published.
                rationale:  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.
                dateTime:
                  DateTime:  2019-08-22T21:53:53Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0175723 v3.3
                        date:  (CI_Date)
                            date: (inapplicable)
                            dateType:  (CI_DateTypeCode) publication
                        citedResponsibleParty:  (CI_ResponsibleParty)
                            individualName: (inapplicable)
                            contactInfo:  (CI_Contact)
                                onlineResource:  (CI_OnlineResource)
                                    linkage: https://www.ncei.noaa.gov/archive/accession/0175723/3.3
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0175723 v3.3
                                    description:  published 2019-08-22T21:53:53Z
                                    function:  (CI_OnLineFunctionCode) download
                            role: (inapplicable)
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: pCO2 (fCO2) autonomous; Abbreviation: fCO2_SW@SST; Unit: uatm; Observation type: Surface underway; Measured or calculated: Measured; Sampling instrument: Seawater pump; Location of seawater intake: Bow; Analyzing instrument: Infrared Analyzer: LI-COR model 6262; Detailed sampling and analyzing information: Pierrot, D., Neill, C., Sullivan, K., Castle, R., Wanninkhof, R., Lüger, H., Johannessen, T., Olsen, A., Feely, R. A., & Cosca, C. E. (2009). Recommendations for autonomous underway pCO2 measuring systems and data-reduction routines. Deep Sea Research Part II: Topical Studies in Oceanography, 56(8-10), 512-522. https://doi.org/10.1016/j.dsr2.2008.12.005; Equilibrator type: Spray head above dynamic pool, with thermal jacket; Equilibrator volume: 0.95 L (0.4 L water, 0.55 L headspace); Is the equilibrator vented or not: Vented; Water flow rate: 1.5 - 2.0 L/min; Gas flow rate: 70 - 150 ml/min; How was temperature inside the equilibrator measured: Hart Scientific model 1523 digital thermometer; How was pressure inside the equilibrator measured: External Setra 270 connected to the exit of the analyzer; Drying method for gas: Gas stream passes through a thermoelectric condenser (~5 C) and then through a Perma Pure (Nafion) dryer before reaching the analyzer (90% dry).; SEA CO2 gas detector manufacturer: Licor, Inc; SEA CO2 gas detector model: Licor 6262; SEA CO2 gas detector resolution: Accuracy: +/- 2 uatm in fCO2_SW; SEA CO2 gas detector uncertainty: Precision: +/- 0.01 uatm in fCO2_SW; Standardization technique: The system runs a full cycle in approximately 7 hours. The cycle starts with 4 standard gases, then measures three rounds of 6 atmopherice samples followed by 50 surface water samples. Each new gas is flushed through the Licor Analyzer for 2 minutes prior to a stop-flow measurement.; Standardization frequency: Every 7 hours; Standard gas manufacturer: Standard gases are supplied by NOAA Earth System Research Laboratory, Global Monitoring Division, in Boulder, CO, and are directly traceable to the WMO scale.; Standard gas concentration: The analyzer is calibrated every 3.5 hours using field standards that were calibrated with primary standards that are directly traceable to the WMO X2007 scale. Ultra-High Purity air (0.0 ppm CO2) and the high standard are used to zero and span the LI-COR analyzer. Std 1: CA04957, 282.55 ppm, owned by ESRL, used every ~5.0 hours. Std 2: CC105863, 380.22 ppm, owned by ESRL, used every ~5.0 hours. Std 3: CB09696, 453.04 ppm, owned by ESRL, used every ~5.0 hours. Std 4: CB09032, 539.38 ppm, owned by ESRL, used every ~5.0 hours. Std 5: LL100000, 0.00 ppm, owned by AOML, used every ~19.5 hours.; Standard gas uncertainty: 0.01 ppm; Water vapor correction method: Details of the data reduction are described in Pierrot, et.al. (2009).; Temperature correction method: Details of the data reduction are described in Pierrot, et.al. (2009).; At what temperature was pCO2 reported: In situ sea surface temperature; Uncertainty: 0.01C; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Method reference: Pierrot, D., Neill, C., Sullivan, K., Castle, R., Wanninkhof, R., Lüger, H., Johannessen, T., Olsen, A., Feely, R. A., & Cosca, C. E. (2009). Recommendations for autonomous underway pCO2 measuring systems and data-reduction routines. Deep Sea Research Part II: Topical Studies in Oceanography, 56(8-10), 512-522. https://doi.org/10.1016/j.dsr2.2008.12.005; Researcher name: Denis Pierrot; Researcher institution: NOAA/AOML.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Sea Surface Temperature; Abbreviation: SST_C; Unit: degrees celcius; Observation type: Surface Underway; Sampling instrument: Seabird; Analyzing instrument: SBE-45, Seabird, Inc.; Detailed sampling and analyzing information: Ship's TSG in hydro lab near the CO2 system;; Uncertainty: Accuracy: 0.002C, Precision: 0.0002C; Manufacturer's Resolution is taken as Precision; Maintained by ship.; Researcher name: Denis Pierrot; Researcher institution: NOAA/AOML.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Sea Surface Salinity; Abbreviation: SAL_permil; Observation type: Surface Underway; Sampling instrument: Seabird; Analyzing instrument: SBE 45, Seabird, Inc.; Uncertainty: Accuracy: +/- 0.005; Precision: 0.0002; Researcher name: Denis Pierrot; Researcher institution: NOAA/AOML.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Atmospheric Pressure; Abbreviation: PRES_ATM@SSP_hPa; Unit: hPa; Sampling instrument: Vaisala, PTB330; Detailed sampling and analyzing information: Location: On bulkhead exterior on the port side of the radio room aft of the bridge at ~14 m above the sea surface; Uncertainty: Accuracy: +/- 0.2 hPa; Precision: 0.08 hPa; Researcher name: Denis Pierrot; Researcher institution: NOAA/AOML .
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
        maintenanceNote:  NCEI Accession 0175723 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.
        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:  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:  showerhead equilibrator
            type:  showerhead equilibrator
            description:  extracts dissolved CO2 from water A carbon dioxide equilibrator is usually in the shape of a vertical tube, with a showerhead on the top, some headspace, a lot of beads to increase the surface exchange area between water and air, a water seal device at the bottom to allow water to overflow, but prevents air exchange between inside and outside. Carbon dioxide (CO2) equilibrator works together with carbon dioxide (CO2) gas analyzer (insttypes_id 183) 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.
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  NOAA Ship Ronald H. Brown
            description:  Updated information from ICES for UNITED STATES platform Ronald H. Brown Flag : UNITED STATES - US (ISO Country Code) Call Sign : WTEC Title : NOAA Ship Platform Class : Research vessel IMO : 9105786 Pennant : R 104 Commissioned Date : 1997-07-19 Current Length : 83.5 Built : 1997 Information Source : http://www.moc.noaa.gov/rb/index.html (URL) Lloyds URL : http://www.seasearcher.com/lmiu/vessels/overview.htm?vesselID=277516 *General Comments:* Name RESEARCHER II planned during build was never used.
            instrument: (missing)