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Dissolved inorganic carbon (DIC), total alkalinity (TA), partial pressure of CO2 (pCO2), methane, dissolved oxygen, water temperature, salinity and other measurements collected from discrete samples and profile observations during the ArcticNet CCGS Amundsen cruises AMU2016-02, AMU2017-02, and AMD1802 (EXPOCODEs 18DL20160716, 18DL20170714, 18DL20180725) as part of the HiBio project in Baffin Bay and Davis Strait from 2016-07-16 to 2018-08-13 (NCEI Accession 0240704)


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            title:  Dissolved inorganic carbon (DIC), total alkalinity (TA), partial pressure of CO2 (pCO2), methane, dissolved oxygen, water temperature, salinity and other measurements collected from discrete samples and profile observations during the ArcticNet CCGS Amundsen cruises AMU2016-02, AMU2017-02, and AMD1802 (EXPOCODEs 18DL20160716, 18DL20170714, 18DL20180725) as part of the HiBio project in Baffin Bay and Davis Strait from 2016-07-16 to 2018-08-13 (NCEI Accession 0240704)
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/5475 Reid Steele
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/953 Department of Fisheries and Oceans Canada; Marine Environmental Data Section (MEDS)
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        abstract:  This dataset includes discrete sample and profile data collected during the ArcticNet CCGS Amundsen cruises AMU2016-02, AMU2017-02, and AMD1802 (EXPOCODEs 18DL20160716, 18DL20170714, 18DL20180725) as part of the HiBio project in Baffin Bay and Davis Strait from 2016-07-16 to 2018-08-13. These data include dissolved inorganic carbon (DIC), total alkalinity (TA), partial pressure of CO2 (pCO2), methane, dissolved oxygen, water temperature, salinity and other measurements. As a part of the ArcticNet program; the "HiBio" project investigated the distribution of benthic organisms; particularly cold water corals and sponges. State of the ocean acidification was studied to understand the environment for these habitats in Davis Strait and Baffin Bay region.
        purpose:  To investigate the influence of ocean acidification on the distribution of benthic communities.
        credit:  Funding Information: Government of Canada: Fisheries and Oceans Canada (Aquatic Climate Change Adaptation Services Program (ACCASP), 881-15K-96036)
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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:  CTDSAL
            keyword:  CTDTMP
            keyword:  TCARBN
            keyword:  pCO2
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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/b79c7e06-cd07-442f-bf12-2019cd71c201 NISKIN BOTTLES
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              Anchor:  https://vocab.ices.dk/services/pox/GetCodeDetail/SHIPC/18DL Amundsen (call sign: CGDT, ICES code: 18DL, 2003)
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/1ed45273-3e2b-4586-b852-05578c04041b OCEAN > ARCTIC OCEAN
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/29e79a9c-f1a9-4832-8813-e3a12dfddec6 OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > DAVIS STRAIT
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            keyword:  Baffin Bay
            keyword:  Davis Strait
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            otherConstraints:  Cite as: Azetsu-Scott, Kumiko; Edinger, Evan (2021). Dissolved inorganic carbon (DIC), total alkalinity (TA), partial pressure of CO2 (pCO2), methane, dissolved oxygen, water temperature, salinity and other measurements collected from discrete samples and profile observations during the ArcticNet CCGS Amundsen cruises AMU2016-02, AMU2017-02, and AMD1802 (EXPOCODEs 18DL20160716, 18DL20170714, 18DL20180725) as part of the HiBio project in Baffin Bay and Davis Strait from 2016-07-16 to 2018-08-13 (NCEI Accession 0240704). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/e96y-6340. Accessed [date].
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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
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                description:  NCEI Accession 0240704 v1.1 was published.
                dateTime:
                  DateTime:  2021-09-01T23:26:22Z
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                        title:  NCEI Accession 0240704 v1.1
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                                    name:  NCEI Accession 0240704 v1.1
                                    description:  published 2021-09-01T23:26:22Z
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                description:  Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: TCARBN; Unit: umol / kg; Observation type: discrete; Measured or calculated: measured; Sampling instrument: CTD and rosette bottle sampler: Niskin bottle; 10 L; Analyzing instrument: SOMMA with UIC 5011 coulometer; Detailed sampling and analyzing information: Seawater samples were collected from standard depths in 500 mL borosilicate glass reagent bottles. Five mL of water was removed to allow room for thermal expansion and the sample was preserved within 30 minutes of collection with 0.1 mL of a mercuric chloride saturated solution; then sealed with Apiezon M grease and the ground glass stoppers secured in place with rubber bands. The samples were stored at room temperature until on-shore laboratory analysis. The samples were analysed for DIC using a SOMMA sample handling system in conjunction with a coulometer (UIC Inc.) to quantify total CO2 purged from the acidified sample. Measurements of a Certified reference material seawater (CRMs; Scripps Oceanographic Institution) were used for calibrating DIC with each batch of 20 samples being bracketed by duplicate CRM measurements.; Replicate information: Referenced to duplicate measurement of CRM prior to; and following; each daily batch of DIC samples; Standardization description: Referenced to duplicate measurement of CRM prior to; and following; each daily batch of DIC samples; Standardization frequency: To bracket each batch of 20 samples; CRM manufacturer: Andrew Dickson's Lab at Scripps Institute of Oceanography (co2crms@ucsd.edu); CRM batch number: 183; Preservation method: Mercuric chloride saturated solution; Preservative volume: 100 uL per 500 ml sample bottle = 0.02%; Preservative correction: None; Uncertainty: 0.0015 umol.kg; Quality flag convention: 1 = Sample drawn from bottle but analysis not recieved; 2 = QC Performed: Acceptable Measurement; 3 = QC Performed: Questionable Measurement; 4 = QC Performed: Bad Measurement; 5 = QC Performed: Not Reported; 6 = Mean of replicate measurements; 7 = Manual chromatographic peak measurement; 8 = Irregular digital chromatographic peak integration; 9 = Not sampled; Method reference: Dickson; A.G.; Sabine; C.L. and Christian; J.R. (Eds.) 2007. Guide to Best Practices for Ocean CO2 Measurements. PICES Special Publication 3; 191 pp.; https://cdiac.ess-dive.lbl.gov/ftp/oceans/Handbook_2007/Guide_all_in_one.pdf; Researcher name: Kumiko Azetsu-Scott; Researcher institution: Bedford Institute of Oceanography.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Total alkalinity; Abbreviation: ALKALI; Unit: umol / kg; Observation type: discrete; Measured or calculated: measured; Calculation method and parameters: Concentration (umol / kg) = concentration (umoles/litre) / density (10 C;S); Sampling instrument: CTD and rosette bottle sampler: Niskin bottle; 10 L; Analyzing instrument: In-house automated sampler with Metrohm Titrando dosimat and Tiamo software; Type of titration: Potentiometric multi point titration; Cell type (open or closed): Open; Curve fitting method: Gran point; Detailed sampling and analyzing information: Seawater samples were collected from standard depths in 500 mL borosilicate glass reagent bottles. Five mL of water was removed to allow room for thermal expansion and the sample was preserved within 30 minutes of collection with 0.1 mL of a mercuric chloride saturated solution; then sealed with Apiezon M grease and the ground glass stoppers secured in place with rubber bands. The samples were stored at room temperature until on-shore laboratory analysis. TA in the sample was determined using an open cell automated potentiometric titration with a Metrohm Titrando dosing unit controlled by Metrohm Tiamo software. The multi-point titration; using 0.1N HCl titrant containing 35 g of sodium chloride per litre of acid; was performed in a temperature controlled flask held at 25 ¬∞C with Gran endpoint determination. Measurements of a Certified reference material seawater (CRMs; Scripps Oceanographic Institution) were used for calibrating TA with each batch of 20 samples being bracketed by duplicate CRM measurements.; Replicate information: Monoplicate sample / monoplicate measurement; Standardization description: Referenced to duplicate measurement of CRM prior to each daily batch of samples; Standardization frequency: Each batch of 20 samples; CRM manufacturer: Andrew Dickson's Lab at Scripps Institute of Oceanography; CRM batch number: 183; Preservation method: Mercuric chloride saturated solution; Preservative volume: 100 uL per 500 ml sample bottle = 0.02%; Preservative correction: none; TA blank correction: Averages between 10-40 umol / kg; Uncertainty: 0.0025; Quality flag convention: 1 = Sample drawn from bottle but analysis not recieved; 2 = QC Performed: Acceptable Measurement; 3 = QC Performed: Questionable Measurement; 4 = QC Performed: Bad Measurement; 5 = QC Performed: Not Reported; 6 = Mean of replicate measurements; 7 = Manual chromatographic peak measurement; 8 = Irregular digital chromatographic peak integration; 9 = Not sampled; Method reference: This is method described in SOP 3a of Dickson; A.G.; Sabine; C.L. and Christian; J.R. (Eds.) 2007. Guide to Best Practices for Ocean CO2 Measurements. PICES Special Publication 3; 191 pp; Researcher name: Kumiko Azetsu-Scott; Researcher institution: Bedford Institute of Oceanography.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Partial Pressure of CO2; Abbreviation: pCO2; Unit: uatm; Observation type: discrete; Sampling instrument: Niskin bottle; 10 L; Analyzing instrument: SRI 8610C gas chromatograph with flame ionization detector and methanizer; Detailed sampling and analyzing information: Seawater samples were collected in 160 mL volume crimp seal serum bottles; allowing the bottle to overflow by 3 volumes. The sample was immediately stabilised by the addition of 50 mL of saturated mercuric chloride solution; crimp sealed with a butyl rubber septum then stored in a refrigerator. Before analysis; a 11 mL headspace of 400 ppm CO2 in zero air was introduced into the bottle which was then thermally equilibrated at 22 ¬∞C for one hour. The bottle was then shaken vigorously for 8 minutes and the headspace displaced by a brine solution; flushing the sample loop of an SRI gas chromatograph equipped with a methaniser and flame ionisation detector. CO2 peaks were calibrated by injections of primary standard gas mixtures (Air Liquide) having CO2 mixing ratios of 397.3; 797.2; 1201 and 2017 ppm.; Uncertainty: 1 uatm; Quality flag convention: 1 = Sample drawn from bottle but analysis not recieved; 2 = QC Performed: Acceptable Measurement; 3 = QC Performed: Questionable Measurement; 4 = QC Performed: Bad Measurement; 5 = QC Performed: Not Reported; 6 = Mean of replicate measurements; 7 = Manual chromatographic peak measurement; 8 = Irregular digital chromatographic peak integration; 9 = Not sampled; Method reference: Dickson; A.G.; Sabine; C.L. and Christian; J.R. (Eds.) 2007. Guide to Best Practices for Ocean CO2 Measurements. PICES Special Publication 3; 191 pp.; https://cdiac.ess-dive.lbl.gov/ftp/oceans/Handbook_2007/Guide_all_in_one.pdf; Researcher name: Kumiko Azetsu-Scott; Researcher institution: Bedford Institute of Oceanography.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTD Temperature; Abbreviation: CTDTMP; Unit: degrees celcius; Observation type: CTD sensor; Sampling instrument: CTD; Analyzing instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTD Salinity; Abbreviation: CTDSAL; Observation type: CTD sensor; Sampling instrument: CTD; Analyzing instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CTD Oxygen; Abbreviation: CTDOXY; Unit: umol/kg; Observation type: CTD sensor; Sampling instrument: CTD; Analyzing instrument: CTD; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: methane; Abbreviation: CH4; Unit: NMOL/KG; Observation type: Bottle, discrete; Sampling instrument: Niskin bottles; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value .
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            organisationName:  NOAA National Centers for Environmental Information
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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:  titrator
            type:  titrator
            description:  titrator
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  CCGS Amundsen
            description:  ICES request for the vessel Amundsen from CANADA. NOTE: Canada platform SIR JOHN FRANKLIN (NODC Code=18SZ) is a previous name for this platform and had the same call sign. Name : Amundsen Flag : CANADA - CA (ISO Country Code) Call Sign : CGDT Title : CCGS Platform Class : 31 Research vessel IMO : 7510846 Commissioned Date : 2003 Current Length : 98.33 Built : 1979 Previous Name (Notes): SIR JOHN FRANKLIN Notes : Converted to coast guard icebreaker/research vessel in 2003 Additional Information Sources: - http://www.amundsen.ulaval.ca/index.php?url=11210 Same Vessels Info: 18SZ - SIR JOHN FRANKLIN Confirmed by NOAA on 2013-04-15.
            instrument: (missing)