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Dissolved inorganic carbon, total alkalinity, water temperature, salinity, nutrients and other parameters collected from profile and discrete sample observations during R/V Johan Hjort and other research ships time series cruises in the North Atlantic Ocean, Norwegian See from 2011-01-13 to 2017-04-02 (NCEI Accession 0282292)


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            title:  Dissolved inorganic carbon, total alkalinity, water temperature, salinity, nutrients and other parameters collected from profile and discrete sample observations during R/V Johan Hjort and other research ships time series cruises in the North Atlantic Ocean, Norwegian See from 2011-01-13 to 2017-04-02 (NCEI Accession 0282292)
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                date:  2023-09-08
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                  Anchor:  DOI 10.25921/fkj1-kn30
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/5224 Nico Lange
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1606 GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR)
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                individualName:  Melissa Chierici
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        abstract:  This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, water temperature, salinity, nutrients and other parameters collected from profile and discrete sample observations during R/V Johan Hjort and other research ships time series cruises in the North Atlantic Ocean, Norwegian See from 2011-01-13 to 2017-04-02. Marine CO2 system data (total alkalinity, and total dissolved inorganic carbon were collected from full water column on the IMR repeat section Fugløya-Bjørnøya in the Barents Sea, sometimes referred as the Barents Sea Opening (BSO). Sampling was generally performed once a year between January and May, although on some occasions sampling was performed at other times and other frequency.
        purpose:  This dataset is available to the public for a wide variety of uses including scientific research and analysis.
        credit:  Funding Information: Norwegian Environment Agency (Miljødirektoratet) project#7013502 and 17078007
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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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            keyword:  ALKALI
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            keyword:  CTDTMP
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            keyword:  SILCAT, NITRAT, NITRIT, PHSPHT
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/79f76e22-ae42-450d-8bed-d05a800f6ea0 AUTOANALYZER > AUTOANALYZER
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/7aecabfb-0047-484f-8396-efc0da16bc20 CO2 ANALYZERS > CO2 ANALYZERS
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/01cc0beb-7c9a-40ed-ad86-0661b41aee53 CTD > Conductivity, Temperature, Depth
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/b79c7e06-cd07-442f-bf12-2019cd71c201 NISKIN BOTTLES
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/ed79ec7b-a2df-4948-9877-b75e1fcb8782 SALINOMETERS
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/aa953a14-4581-47f8-a5b3-c8dd50904ee0 TEMPERATURE SENSORS > TEMPERATURE SENSORS
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/a4202721-0cba-4fa1-853f-890f146b04f9 OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/91dd3935-a1ae-48ca-b263-9b10ac732372 OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > NORWEGIAN SEA
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            keyword:  North Atlantic Ocean
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            otherConstraints:  Cite as: Chierici, Melissa; Jones, Elizabeth M.; Lødemel, Helene Hodal (2023). Dissolved inorganic carbon, total alkalinity, water temperature, salinity, nutrients and other parameters collected from profile and discrete sample observations during R/V Johan Hjort and other research ships time series cruises in the North Atlantic Ocean, Norwegian See from 2011-01-13 to 2017-04-02 (NCEI Accession 0282292). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/fkj1-kn30. Accessed [date].
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                title:  Melissa Chierici, Elizabeth Jones, Helene Hodal Lødemel (2019) Interannual variability of the marine CO2 system and nutrients in the Barents Sea from 2011 to 2017 https://doi.org/10.21335/NMDC-1738969988
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                description:  NCEI Accession 0282292 v1.1 was published.
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                description:  Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: TCARBN; Unit: UMOL/KG; Observation type: Discrete, profile, bottle; Measured or calculated: Measured; Sampling instrument: Niskin Bottles; Detailed sampling and analyzing information: Marine CO2 system data (total alkalinity, and total dissolved inorganic carbon were collected from full water column on the IMR repeat sections in the Norwegian Sea; Svinøy and Gimsøy. Sampling was generally performed in spring between January and April, although on some occasions sampling was performed later and earlier. The seawater samples were collected from a CTD-Rosette (12-Niskin bottle) following standard procedures and analyzed at Institute of Marine Research, Tromsø, Norway after the cruises following the method described in Dickson et al. (2007). DIC was determined using gas extraction of acidified samples followed by coulometric titration and photometric detection using a Versatile Instrument for the Determination of Titration carbonate (VINDTA 3D, Marianda, Germany). determined by potentiometric titration with 0.1 N hydrochloric acid using a Versatile Instrument for the Determination of Titration Alkalinity (VINDTA 3S, Marianda, Germany). Routine analyses of Certified Reference Materials (CRM, provided by A. G. Dickson, Scripps Institution of Oceanography, United States) ensured the accuracy of the measurements, which was better than ±1 and ±2 mmol kg-1 for DIC and AT, respectively. Description of the analytical methods can be found as a summary in the data file, as well as in the annual reports by Chierici et al., 2012:2017, and Jones et al., 2018. Water samples for analysis of nutrients [NO2, NO-, Si(OH)4, PO4] were preserved with 250 µL chloroform until post-cruise analysis following standard methods (Grasshoff et al., 2009) at the chemical laboratory at IMR, Bergen. Three replicates were analyzed for each sample. This study is a contribution to the project Monitoring ocean acidification in Norwegian waters/Havforsuringsovervåking i norske farvann” funded by the Norwegian Environment Agency (Miljødirektoratet) project#7013502 and 17078007..
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                description:  Parameter or Variable: Total alkalinity; Abbreviation: ALKALI; Unit: UMOL/KG; Observation type: Discrete, bottle; Measured or calculated: Measured; Sampling instrument: Niskin Bottles; Type of titration: Gran titration; Cell type (open or closed): open; Detailed sampling and analyzing information: Marine CO2 system data (total alkalinity, and total dissolved inorganic carbon were collected from full water column on the IMR repeat sections in the Norwegian Sea; Svinøy and Gimsøy. Sampling was generally performed in spring between January and April, although on some occasions sampling was performed later and earlier. The seawater samples were collected from a CTD-Rosette (12-Niskin bottle) following standard procedures and analyzed at Institute of Marine Research, Tromsø, Norway after the cruises following the method described in Dickson et al. (2007). DIC was determined using gas extraction of acidified samples followed by coulometric titration and photometric detection using a Versatile Instrument for the Determination of Titration carbonate (VINDTA 3D, Marianda, Germany). determined by potentiometric titration with 0.1 N hydrochloric acid using a Versatile Instrument for the Determination of Titration Alkalinity (VINDTA 3S, Marianda, Germany). Routine analyses of Certified Reference Materials (CRM, provided by A. G. Dickson, Scripps Institution of Oceanography, United States) ensured the accuracy of the measurements, which was better than ±1 and ±2 mmol kg-1 for DIC and AT, respectively. Description of the analytical methods can be found as a summary in the data file, as well as in the annual reports by Chierici et al., 2012:2017, and Jones et al., 2018. Water samples for analysis of nutrients [NO2, NO-, Si(OH)4, PO4] were preserved with 250 µL chloroform until post-cruise analysis following standard methods (Grasshoff et al., 2009) at the chemical laboratory at IMR, Bergen. Three replicates were analyzed for each sample. This study is a contribution to the project Monitoring ocean acidification in Norwegian waters/Havforsuringsovervåking i norske farvann” funded by the Norwegian Environment Agency (Miljødirektoratet) project#7013502 and 17078007.; Method reference:.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PH on total scale; Abbreviation: PH_TOT; Controlled vocabulary name: PH; Observation type: Discrete, bottle; Sampling instrument: Niskin bottles; Detailed sampling and analyzing information: Marine CO2 system data (total alkalinity, and total dissolved inorganic carbon were collected from full water column on the IMR repeat sections in the Norwegian Sea; Svinøy and Gimsøy. Sampling was generally performed in spring between January and April, although on some occasions sampling was performed later and earlier. The seawater samples were collected from a CTD-Rosette (12-Niskin bottle) following standard procedures and analyzed at Institute of Marine Research, Tromsø, Norway after the cruises following the method described in Dickson et al. (2007). DIC was determined using gas extraction of acidified samples followed by coulometric titration and photometric detection using a Versatile Instrument for the Determination of Titration carbonate (VINDTA 3D, Marianda, Germany). determined by potentiometric titration with 0.1 N hydrochloric acid using a Versatile Instrument for the Determination of Titration Alkalinity (VINDTA 3S, Marianda, Germany). Routine analyses of Certified Reference Materials (CRM, provided by A. G. Dickson, Scripps Institution of Oceanography, United States) ensured the accuracy of the measurements, which was better than ±1 and ±2 mmol kg-1 for DIC and AT, respectively. Description of the analytical methods can be found as a summary in the data file, as well as in the annual reports by Chierici et al., 2012:2017, and Jones et al., 2018. Water samples for analysis of nutrients [NO2, NO-, Si(OH)4, PO4] were preserved with 250 µL chloroform until post-cruise analysis following standard methods (Grasshoff et al., 2009) at the chemical laboratory at IMR, Bergen. Three replicates were analyzed for each sample. This study is a contribution to the project Monitoring ocean acidification in Norwegian waters/Havforsuringsovervåking i norske farvann” funded by the Norwegian Environment Agency (Miljødirektoratet) project#7013502 and 17078007..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTD Temperature; Abbreviation: CTDTMP; Unit: degrees celcius; Observation type: CTD sensor; Sampling instrument: CTD; Analyzing instrument: CTD Sensor.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTD Salinity; Abbreviation: CTDSAL; Observation type: CTD sensor; Sampling instrument: CTD; Analyzing instrument: CTD sensor.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Nutrients; Abbreviation: SILCAT, NITRAT, NITRIT, PHSPHT; Unit: UMOL/KG; Observation type: Discrete, bottle; Sampling instrument: CTD, Niskin Bottles; Analyzing instrument: Autoanalyser QUASIMEME calibration program .
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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:  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:  CTD
            type:  CTD
            description:  Conductivity-Temperature-Depth probe
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  Niskin bottle
            type:  Niskin bottle
            description:  Device for obtaining samples of seawater at a specific depth Why special entry for Niskin bottle but no entry for Nansen bottle?
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  nutrient autoanalyzer
            type:  nutrient autoanalyzer
            description:  Laboratory Instrument Nutrient Autoanalyzer is a generic term describing an automated flow-thru system used to conduct analyses of several different nutrients (nitrate, ammonium, orthophosphate, and silicate) simultaneously from a seawater sample. For example: SEAL AutoAnalyzer 3 HR Continuous Segmented Flow Analyzer
        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:  JOHAN HJORT
            description:  1922 - 1931 1932 - 1956 (renamed Oscar Sund) 1958 - 1982 1991 - active
            instrument: (missing)