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Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from the Celtic Explorer in the North Atlantic Ocean from 2009-02-06 to 2012/01/10 (NCEI Accession 0112886)


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            title:  Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from the Celtic Explorer in the North Atlantic Ocean from 2009-02-06 to 2012/01/10 (NCEI Accession 0112886)
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                date:  2013-09-12
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                date:  2014-04-22
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                  Anchor:  DOI 10.3334/cdiac/otg.rockall_trough_2012
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                  Anchor:  NCEI Accession ID 0112886
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/179 Carbon Dioxide Information Analysis Center (CDIAC)
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                individualName:  Triona McGrath
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1519 National University of Ireland - Galway
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                individualName:  Rachel R. Cave
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1519 National University of Ireland - Galway
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                individualName:  Caroline Kivimäe
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        abstract:  This dataset includes chemical, discrete sample, physical and profile data collected from Celtic Explorer in the North Atlantic Ocean from 2009-02-06 to 2012/01/10. These data include DISSOLVED INORGANIC CARBON (DIC), DISSOLVED OXYGEN, HYDROSTATIC PRESSURE, NITRATE, NITRATE + NITRITE CONTENT (CONCENTRATION), NITRITE, PHOSPHATE, SALINITY, SILICATE, TOTAL ALKALINITY (TA) and WATER TEMPERATURE. The instruments used to collect these data include Alkalinity titrator, CTD, Coulometer for DIC measurement and bottle. These data were collected by Triona McGrath, Caroline Kivimae, Rachel R. Cave, Evin McGovern, Triona Dr. McGrath, Evin Dr. McGovern and Rachel R. Dr. Cave of National University of Ireland - Galway as part of the COASTAL_Rockall_Trough_2009_2010 and COASTAL_Rockall_Trough_2011_2012 data set. CDIAC assigned the following cruise ID(s) to this data set: CE11001, CE12001 and COASTAL_Rockall_Trough. The Global Coastal Carbon Data Project data includes the bottle (discrete) and surface (underway) carbon-related measurements from coastal research cruises, the data from time series cruises and coastal moorings. The coastal regions data are very important for the understanding of carbon cycle on the continental margins. The World Ocean Circulation Experiment (WOCE) was a major component of the World Climate Research Program with the overall goal of better understanding the ocean's role in climate and climatic changes resulting from both natural and anthropogenic causes. The CO2 survey took advantage of the sampling opportunities provided by the WOCE Hydrographic Program (WHP) cruises during this period between 1990 and 1998. The final collection covers approximately 23,000 stations from 94 WOCE cruises.
        purpose:  This dataset is available to the public for a wide variety of uses including scientific research and analysis.
        credit:  Funding Information: National Development Plan 2007-2013
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                    date:  2014-04-22
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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/116 DISSOLVED OXYGEN
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/589 HYDROSTATIC PRESSURE
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/223 NITRATE
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/224 nitrate + nitrite content (concentration)
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/226 NITRITE
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              Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/263 phosphate
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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/333 silicate
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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://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/insttype/details/198 coulometer for DIC measurement
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                title:  McGrath, T., Kivimae, C., Tanhua, T., Cave, R.R. and McGovern, E., 2012a. Inorganic carbon and pH levels in the Rockall Trough 1991-2010. Deep Sea Research Part I: Oceanographic Research Papers, 68(0): 79-91.
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        characterSet:  (MD_CharacterSetCode) utf8
        topicCategory:  (MD_TopicCategoryCode) environment
        topicCategory:  (MD_TopicCategoryCode) oceans
        extent:  (EX_Extent)
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                westBoundLongitude:  -18.2505
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                    beginPosition:  2009-02-06
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        supplementalInformation:  These data were acquired by NODC from the Carbon Dioxide Information Analysis Center (CDIAC) in accordance with an archival submission agreement between CDIAC and NODC. NODC cannot verify the accuracy or availability of the data provider's citation information, which is maintained by CDIAC. In this accession, NCEI has archived multiple versions of these data. The latest (and best) version of these data has the largest version number.
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                transferSize:
                  Real:  0.968
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0112886.html
                    protocol:  HTTPS
                    applicationProfile:  Web browser
                    name:  Project Metadata
                    description:  Navigate directly to the URL for a descriptive web page with download links.
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: https://doi.org/10.3334/cdiac/otg.rockall_trough_2012
                    protocol:  HTTPS
                    applicationProfile:  Web browser
                    name:  NCEI Dataset Landing Page
                    description:  Navigate directly to the URL for a descriptive web page with download links.
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ncei.noaa.gov/archive/accession/oas/112886
                    protocol:  HTTPS
                    applicationProfile:  Web browser
                    name:  Descriptive Information
                    description:  Navigate directly to the URL for a descriptive web page with download links.
                    function:  (CI_OnLineFunctionCode) information
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ncei.noaa.gov/archive/accession/download/112886
                    protocol:  HTTPS
                    applicationProfile:  Web browser
                    name:  HTTPS
                    description:  Navigate directly to the URL for data access and direct download.
                    function:  (CI_OnLineFunctionCode) download
                onLine:  (CI_OnlineResource)
                    linkage: ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0061/0112886/
                    protocol:  FTP
                    applicationProfile:  Any FTP client
                    name:  FTP
                    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 0112886 v1.1 was published.
                dateTime:
                  DateTime:  2013-09-12T11:02:22Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0112886 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/0112886/1.1
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0112886 v1.1
                                    description:  published 2013-09-12T11:02:22Z
                                    function:  (CI_OnLineFunctionCode) download
                            role: (inapplicable)
            processStep:  (LE_ProcessStep)
                description:  NCEI Accession 0112886 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:  2014-04-22T15:24:09Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0112886 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/0112886/2.2
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0112886 v2.2
                                    description:  published 2014-04-22T15:24:09Z
                                    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: 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: TCO2 is measured by acidification of the sample with phosphoric acid followed by coulometric titration on a VINDTA-3C (Versatile Instrument for the Determination of Titration Alkalinity) system with UIC coulometer.; Standardization description: A known volume of sample is acidified with phosphoric acid in order to transfer all dissolved inorganic carbon to CO2. The resulting CO2 is forced out of the sample by a continuous flow of pure nitrogen through the sample and the extracted CO2 is passed into a titration cell in the coulometer. The CO2 is titrated coulometrically with a dimethyl sulfoxide (DMSO) based absorbent containing ethanolamine. The CO2 reacts quantitatively with the ethanolamine to produce hydroxyethylcarbanic acid. The pH of the titration is monitored by measuring the transmittance of the thymolphthalein indicator which shows when the titration is finished. The thymol blue indicator fades to the original colour due to generation of hydroxide ions at the cathode to maintain the transmittance of the solution at a constant value. The change in colour is monitored by the photodetector as a percentage of transmittance (%T). The amount of CO2 extracted from the sample is determined by the time integrated current of the hydroxide ions generated. Once the endpoint is reached, the current stops and the VINDTA LabVIEWTM software calculates the TCO2 concentrations.; CRM batch number: 97, 99, 102.
            processStep:  (LE_ProcessStep)
                description:  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: potentiometric; Cell type (open or closed): open; Curve fitting method: based on Gran function; TA blank correction: 30; Uncertainty: CE0903: Accuracy is estimated as 1.0u mol/kg, which is the mean of the absolute difference between the 64 duplicate samples analyzed. Precision is estimated as 1.3u mol/kg, which is the standard deviation of the absolute difference between the 64 duplicate samples analyzed. CE10002:Accuracy of the analysis was estimated as 1.3 μmol/kg by calculating the mean of the absolute difference between duplicate samples. Precision of the analysis was estimated as 1.4u mol/kg by calculating the standard deviation of the absolute difference between duplicate samples.; Method reference: Dickson, A.G., Sabine, C.L., Christian, J.R., 2007. Guide to best practices for ocean CO2 measurements. PICES Special Publication 3, 1-191. Mintrop, L., Pérez, F.F., González-Dávila, M., Körtzinger, A., Ríos, A.F., Santana-Casiano., J.M., 1999. Regional Studies: the carbon dioxide system in the Canary Islands region. Proceedings of the 2nd International Symposium CO2 in the Oceans, Tsukuba, Enero 1999. CGE-1037-99, Center for Global Environmental Research/National Institute for Environmental Studies, Japan pp. 521-524..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTDTMP; Abbreviation: CTDTMP; Unit: DEG_C; Controlled vocabulary name: WATER TEMPERATURE; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTDSAL; Abbreviation: CTDSAL; Controlled vocabulary name: SALINITY; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTDOXY; Abbreviation: CTDOXY; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED OXYGEN; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: SALNTY; Abbreviation: SALNTY; Controlled vocabulary name: SALINITY; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: NO2+NO3; Abbreviation: NO2+NO3; Unit: UMOL/KG; Controlled vocabulary name: nitrate + nitrite content (concentration); In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: NITRIT; Abbreviation: NITRIT; Unit: UMOL/KG; Controlled vocabulary name: NITRITE; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: SILCAT; Abbreviation: SILCAT; Unit: UMOL/KG; Controlled vocabulary name: silicate; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PHSPHT; Abbreviation: PHSPHT; Unit: UMOL/KG; Controlled vocabulary name: phosphate; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: TCARBN; Abbreviation: TCARBN; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED INORGANIC CARBON (DIC); In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: ALKALI; Abbreviation: ALKALI; Unit: UMOL/KG; Controlled vocabulary name: total alkalinity; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: TALK; Abbreviation: TALK; Unit: UMOL/KG; Controlled vocabulary name: total alkalinity; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: NITRAT; Abbreviation: NITRAT; Unit: UMOL/KG; Controlled vocabulary name: NITRATE; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: OXYGEN; Abbreviation: OXYGEN; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED OXYGEN; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTD_TMP; Abbreviation: CTD_TMP; Unit: DEG_C; Controlled vocabulary name: WATER TEMPERATURE; In-situ / Manipulation / Response variable: in-situ.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTD_OXY; Abbreviation: CTD_OXY; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED OXYGEN; In-situ / Manipulation / Response variable: in-situ .
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) repository
            levelDescription:  (MD_ScopeDescription)
                other:  NOAA National Centers for Environmental Information
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  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.
                dateTime:
                  DateTime:  2015-04-22T00:00:00
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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 0112886 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:  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:  coulometer for DIC measurement
            type:  coulometer for DIC measurement
            description:  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 .
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  CTD
            type:  CTD
            description:  Conductivity-Temperature-Depth probe
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  titrator
            type:  titrator
            description:  titrator
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  Celtic Explorer
            description:  Updated information from ICES for the vessel Celtic Explorer from IRELAND(IE). Code : 45CE Name : Celtic Explorer Country(s) : IRELAND(IE) (ISO Country Code) Platform Class : 31 Research vessel Call Sign : EIGB MMSI: 250487000 IMO : 9244439 Commissioned Date : 2003 Current Length : 65.5 Built : 2002 WOD Code: 9215 Notes : Marine Institute Galway research vessel Information Sources: - http://www.marine.ie/Home/site-area/infrastructure-facilities/research-vessels/celtic-explorer - http://www.lloydsmiu.com/lmiu/vessels/overview.htm?vesselID=322212 - http://www.marinetraffic.com/ais/details/ships/shipid:291593/mmsi:250487000/imo:9244439/vessel:CELTIC_EXPLORER
            instrument: (missing)