Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway observations using shower head equilibrator, carbon dioxide gas detector and other instruments from 4 trans-Pacific crossings onboard container ship Cap Blanche in the Pacific Ocean from 2016-10-19 to 2017-05-24 (NCEI Accession 0169600)


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            title:  Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway observations using shower head equilibrator, carbon dioxide gas detector and other instruments from 4 trans-Pacific crossings onboard container ship Cap Blanche in the Pacific Ocean from 2016-10-19 to 2017-05-24 (NCEI Accession 0169600)
            date:  (CI_Date)
                date:  2018-01-06
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                  Anchor:  DOI 10.7289/v5c24tq2
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                  Anchor:  NCEI Accession Number 0169600
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                        electronicMailAddress:  NODC.DataOfficer@noaa.gov
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                  Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/person/details/4697 Catherine E. Cosca
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                  Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/institution/details/976 US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory (PMEL)
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                        voice:  206-526-6183
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                        deliveryPoint:  7600 Sand Point Way NE
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                        electronicMailAddress:  Cathy.Cosca@noaa.gov
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                        deliveryPoint:  ERL MRRD 7600 SAND POINT WAY NE, BLDG 32
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                        postalCode:  98115-0070
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                  Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/person/details/4697 Catherine E. Cosca
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                  Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/person/details/4698 Simone R. Alin
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                        electronicMailAddress:  simone.r.alin@noaa.gov
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                  Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/person/details/970 Richard A. Feely
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                  Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/institution/details/976 US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory (PMEL)
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                individualName:  Cosca, Catherine E.
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                individualName:  Alin, Simone R.
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                individualName:  Feely, Richard A.
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                individualName:  Herndon, Julian
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                  Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/institution/details/976 US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory (PMEL)
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        abstract:  This archival package contains underway measurements of pCO2, salinity, sea surface temperature, and other parameters were collected during 4 trans-Pacific crossings in 2016 and 2017 on the container ship Cap Blanche. Cruise names and expocodes: CB2016_10 (AG5W20161019), CB2017_01 (AG5W20170115), CB2017_03 (AG5W20170312), CB2017_05 (AG5W20170507). All cruises were transits between the North American West Coast and New Zealand. This effort was conducted in support of NOAA's Climate Program Office (CPO), and Ocean Acidification Program (OAP).
        purpose:  The major objectives of the project were to and to continue a time series documenting the distribution of surface and atmospheric fCO2, salinity, temperature, and other parameters, and to characterize and map the key indicators of ocean acidification (OA) across the Pacific Ocean.
        credit:  Funding Information: NOAA's Climate Program Office and Ocean Acidification Program (Surface Water pCO2 Measurements from Ships; West Coast Ocean Acidification Monitoring Network: Volunteer Observing Ships)
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                            name:  GCMD Keyword Forum Page
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
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              Anchor:  https://accession.nodc.noaa.gov/0169600 0169600
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                    date:  2017-12-29
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            keyword:
              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/datatype/details/70 partial pressure of carbon dioxide - water
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/datatype/details/307 SALINITY
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/datatype/details/373 WATER TEMPERATURE
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/insttype/details/183 Carbon dioxide (CO2) gas analyzer
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/insttype/details/184 Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/obstype/details/27 surface underway
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/obstype/details/31 water chemistry
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/platform/details/12595 Cap Blanche
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/project/details/653 NODC Ocean Acidification Scientific Data Stewardship (OADS)
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/project/details/675 US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP)
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/seaname/details/187 Equatorial Pacific Ocean
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/seaname/details/93 North Pacific Ocean
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              Anchor:  https://www.nodc.noaa.gov/cgi-bin/OAS/prd/seaname/details/107 South Pacific Ocean
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            keyword:  CB2016_10
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            keyword:  AG5W20161019
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            keyword:  EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE
            keyword:  EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE
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            keyword:  SAL(TSG)_PERMIL
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            keyword:  fCO2W@SST
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            keyword:  CO2 ANALYZERS
            keyword:  EQUILIBRATORS
            keyword:  THERMOSALINOGRAPHS
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                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
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            keyword:  SHIPS
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                title:  Global Change Master Directory (GCMD) Platform Keywords
                date:  (CI_Date)
                    date:  2019-11-12
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                edition:  9.0
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                    organisationName:  Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA)
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                            name:  GCMD Keyword Forum Page
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
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              Anchor:  http://vocab.nerc.ac.uk/collection/C17/current/AG5W/ AG5W
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                title:  SeaDataNet Ship and Platform Codes
                date: (inapplicable)
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            keyword:  OCEAN > PACIFIC OCEAN
            keyword:  OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN
            keyword:  OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN
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                title:  Global Change Master Directory (GCMD) Location Keywords
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                    date:  2019-11-12
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                            protocol:  HTTPS
                            name:  GCMD Keyword Forum Page
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
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            keyword:  Equatorial Pacific
            keyword:  Pacific Ocean
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  Provider Geographic Names
                date: (inapplicable)
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            otherConstraints:  Cite as: Cosca, Catherine E.; Alin, Simone R.; Feely, Richard A.; Herndon, Julian (2018). Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway observations using shower head equilibrator, carbon dioxide gas detector and other instruments from 4 trans-Pacific crossings onboard container ship Cap Blanche in the Pacific Ocean from 2016-10-19 to 2017-05-24 (NCEI Accession 0169600). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.7289/v5c24tq2. Accessed [date].
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            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:  Pierrot, D.; Neill, C.; Sullivan, K.; Castle, R.; Wanninkhof, R.; Luger, H.; Johannessen, T.; Olsen, A.; Feely, R.A.; and Cosca, C.E. (2009). Recommendations for autonomous underway pCO2 measuring systems and data-reduction routines. Deep-Sea Res., II, v. 56, pp. 512-522.
                date:  (CI_Date)
                    date:  2009
                    dateType:  (CI_DateTypeCode) publication
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                title:  Feely, R.A., R. Wanninkhof, H.B. Milburn, C.E. Cosca, M. Stapp, and P.P. Murphy, A new automated underway system for making high precision pCO2 measurements onboard research ships, Analytica Chim. Acta, 377, 185-191, 1998.
                date:  (CI_Date)
                    date:  1998
                    dateType:  (CI_DateTypeCode) publication
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            initiativeType:  (DS_InitiativeTypeCode) sciencePaper
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            aggregateDataSetName:  (CI_Citation)
                title:  Wanninkhof and Thoning, Measurement of fugacity of Carbon Dioxide in surface water and air using continuous sampling methods, Marine Chemistry, 44, 189-205, 1993.
                date:  (CI_Date)
                    date:  1993
                    dateType:  (CI_DateTypeCode) publication
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        topicCategory:  (MD_TopicCategoryCode) oceans
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                westBoundLongitude:  174.9563
                eastBoundLongitude:  -124.6551
                southBoundLatitude:  -36.422
                northBoundLatitude:  47.9145
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                    beginPosition:  2016-10-19
                    endPosition:  2017-05-24
        supplementalInformation:  EXPOCODE: AG5W20161019; AG5W20170115; AG5W20170312; AG5W20170507; CRUISE ID: CB2016_10; CB2017_01; CB2017_03; CB2017_05; INVESTIGATOR(S): Catherine E. Cosca {NOAA Pacific Marine Environmental Laboratory, 7600 Sand Point Way NE, Seattle, WA, 98115, USA} Simone R. Alin {NOAA Pacific Marine Environmental Laboratory, 7600 Sand Point Way NE, Seattle, WA, 98115, USA} Richard A. Feely {NOAA Pacific Marine Environmental Laboratory, 7600 Sand Point Way NE, Seattle, WA, 98115, USA}
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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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                description:  NCEI Accession 0169600 v1.1 was published.
                dateTime:
                  DateTime:  2018-01-06T02:27:07Z
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                        title:  NCEI Accession 0169600 v1.1
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                                    name:  NCEI Accession 0169600 v1.1
                                    description:  published 2018-01-06T02:27:07Z
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    dataQualityInfo:  (DQ_DataQuality)
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                description:  Parameter or Variable: pCO2 (fCO2) autonomous; Abbreviation: fCO2W@SST; Unit: uatm; Observation type: Surface underway; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: Measured; Sampling instrument: Seawater pump; Location of seawater intake: Bow; Analyzing instrument: General Oceanics 8050. PMEL system ID: GO7; Detailed sampling and analyzing information: The sampling and analyzing methods of the Neill/General Oceanics Underway pCO2 systems are described in detail in: Pierrot, D.; Neill, C.; Sullivan, K.; Castle, R.; Wanninkhof, R.; Luger, H.; Johannessen, T.; Olsen, A.; Feely, R.A.; and Cosca, C.E. (2009). Recommendations for autonomous underway pCO2 measuring systems and data-reduction routines. Deep-Sea Res., II, v. 56, pp. 512-522.; Equilibrator type: Shower head; Equilibrator volume: ~0.5 L; Is the equilibrator vented or not: Vented; Water flow rate: 3 L/min; Gas flow rate: ~0.8 L/m; How was temperature inside the equilibrator measured: Hart Scientific model 1521 digital thermometer, serial number A77488, with an NIST traceable model 5610 thermistor probe, serial number A690613. Accurate to plus/minus 0.01 degrees Celsius.; How was pressure inside the equilibrator measured: Setra 239 differential pressure transducer, accurate to plus/minus 0.15 hPa. The equilibrator was passively vented to a secondary equilibrator, and the Licor sample output was vented to the laboratory when CO2 measurements were made, thus equilibrator headspace pressure was assumed to be laboratory pressure. Pressure in the laboratory was measured with a GE Druck barometer, serial number 3013024, with an accuracy of plus/minus 0.01%.; Drying method for gas: From Pierrot, et al.: Sample air is dried in a condenser that is cooled to 4-5 oC by a Peltier thermoelectric device. This partially dried air flushes a chamber that is vented and remains at ambient pressure. The dried air inside the chamber is used as the counter flow in the Nafion tubing. A vacuum pump pulls the dried air from the chamber first through a fixed restrictor and then through the Nafion tubes, thus creating an absolute pressure and corresponding partial pressure gradient for water vapor across the membrane. When atmospheric air is measured, some of the partially dried air (80- 100 ml/min) is pushed through a Nafion tube, the analyzer and out a vent instead of flushing the chamber. The headspace gas, when being measured, is circulated in a closed loop through the analyzer at a rate similar to that of the atmospheric air (80-100 ml/min). It is dried first in the condenser, then in a Nafion tube prior to entering the analyzer and being returned to the equilibrator. Typically, the water mole fraction (xH2O) in the dried gas is about 2 parts per thousand (ppt), which corresponds to a dew point temperature of about -20 degrees Celsius. The liquid water condensed out of the sample air streams is removed by peristaltic pumps into the vent equilibrator at intervals determined by the user.; SEA CO2 gas detector manufacturer: Licor, Inc; SEA CO2 gas detector model: Licor 7000,; SEA CO2 gas detector resolution: 0.2 uatm; SEA CO2 gas detector uncertainty: 0.3 uatm for equilibrator measurements; ATM CO2 gas detector manufacturer: Licor, Inc; ATM CO2 gas detector model: IRG4-0560; ATM CO2 gas detector resolution: 0.2 uatm; ATM CO2 gas detector uncertainty: 0.2 uatm for atmospheric measurements; 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's Earth System Research Laboratory, Global Monitoring Division, in Boulder, CO, and are directly traceable to the WMO scale.; Standard gas concentration: LL83535, 246.77 ppm; LL108050, 399.22 ppm; LL108059, 496.103 ppm; LL154371, 628.59 ppm; 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; 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.; Luger, H.; Johannessen, T.; Olsen, A.; Feely, R.A.; and Cosca, C.E. (2009). Recommendations for autonomous underway pCO2 measuring systems and data-reduction routines. Deep-Sea Res., II, v. 56, pp. 512-522.; Researcher name: Catherine E. Cosca; Researcher institution: Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Sea Surface Temperature; Abbreviation: SST(TSG)_C; Unit: Degree Celcius; Observation type: Surface Underway; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: Measured; Sampling instrument: Seabird 38, serial number 3848581-0383; Uncertainty: 0.0025 degrees Celsius.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Salinity; Abbreviation: SAL(TSG)_PERMIL; Unit: permil; Observation type: Surface Underway; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: Measured; Sampling instrument: Seabird 45, serial number 4539646-0143; Uncertainty: 0.005 PSU.
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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.
        contact:  (CI_ResponsibleParty)
            organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
            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:  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:  Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement
            type:  Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement
            description:  A carbon dioxide equilibrator is usually in the shape of a vertical tube, with a shower head on the top, some head space, 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.
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  thermosalinographs
            type:  thermosalinographs
            description:  The SBE 45 MicroTSG Thermosalinograph is an externally powered, high-accuracy instrument, designed for shipboard determination of sea surface (pumped-water) conductivity and temperature. Salinity and sound velocity can also be computed. The MicroTSG is constructed of plastic and titanium to ensure long life with minimum maintenance.
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  Cap Blanche
            description:  ICES request for the vessel Cap Blanche from ANTIGUA AND BARBUDA(AG). Name : Cap Blanche Country(s) : ANTIGUA AND BARBUDA(AG) (ISO Country Code) Platform Class : 32 Vessel of opportunity Call Sign : V2DV5 MMSI: 305347000 IMO : 9311775 Commissioned Date : 2006-07-20 Current Length : 222 Built : 2006-07-20 Previous Name (Notes): Fesco Baykal Notes : Container ship Information Sources: - http://www.marinetraffic.com/ais/details/ships/shipid:364284/mmsi:305347000/imo:9311775/vessel:CAP_BLANCHE - http://www.shipspotting.com/gallery/photo.php?lid=1677981 Confirmed by NOAA on 2015-09-28.
            instrument: (missing)