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High-resolution coastal acidification monitoring data collected in seven estuaries along the US East Coast, US West Coast and Gulf of Mexico from 2015-04-23 to 2020-07-29 (NCEI Accession 0225225)


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            title:  High-resolution coastal acidification monitoring data collected in seven estuaries along the US East Coast, US West Coast and Gulf of Mexico from 2015-04-23 to 2020-07-29 (NCEI Accession 0225225)
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                date:  2021-01-27
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        abstract:  This dataset includes high-frequency (hourly to sub-hourly) coastal acidification time-series data collected during nine deployments in the aforementioned seven estuaries along the US East Coast, US West Coast and Gulf of Mexico from 2015-04-23 to 2020-07-29. These data include water temperature, salinity, partial pressure of carbon dioxide (pCO2) in water, dissolved oxygen (DO) in water, and pH on the total scale. The instruments used to collected these data include Sunburst SAMI-CO2, Pro-Oceanus CO2-Pro CV and a LiCOr LI-820 CO2 gas analyzers for autonomous pCO2 measurements, Sea-Bird SeapHOx and SeaFET instruments for pH measurements, Sea-Bird SeapHOx and Aanderaa Oxygen Optode instruments for DO measurements, and YSI water sensing instrument packages for measurements of conductivity (salinity), temperature and depth. Beginning in 2015, the U.S. Environmental Protection Agency’s (EPA) National Estuary Program (NEP) started a collaboration with partners in seven estuaries along the East Coast (Barnegat Bay; Casco Bay), West Coast (Santa Monica Bay; San Francisco Bay; Tillamook Bay), and the Gulf of Mexico (GOM) Coast (Tampa Bay; Mission-Aransas Estuary) of the United States to expand the use of autonomous monitoring partial pressure of carbon dioxide (pCO2) and pH sensors to evaluate carbonate chemistry in the estuarine environment.
        purpose:  This dataset is available to the public for a wide variety of uses including scientific research and analysis.
        credit:  Funding Information: U.S. Environmental Protection Agency’s (EPA) (National Estuary Program (NEP), Ocean and Coastal Acidification Monitoring)
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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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                    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 0225225 v1.1 was published.
                dateTime:
                  DateTime:  2021-01-27T02:42:41Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0225225 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/0225225/1.1
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0225225 v1.1
                                    description:  published 2021-01-27T02:42:41Z
                                    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: Partial Pressure of Carbon Dioxide; Abbreviation: pCO2_WATER; Unit: µatm; Observation type: discrete; Analyzing instrument: Pro-Oceanus CO2-Pro CV; Detailed sampling and analyzing information: A numeric value for the concentration of CO2 in microatmospheres; Uncertainty: 0.01 ppm (instrument spec); Quality flag convention: Flag 1 = QC has been performed and element appears to be correct, Flag 2 = QC has been performed and element appears to be probably good with other elements, Flag 3 = QC has been performed and element appears to be probably bad, Flag 4 = QC has been performed and element appears to be bad, Flag 5 = the value has been modified as a result of QC, Flag 9 = The value of the element is missing..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: pH on Total Scale; Abbreviation: pH; Observation type: discrete; Analyzing instrument: Sea-Bird SeapHOx; Detailed sampling and analyzing information: A numeric value for pH using the total scale.; Uncertainty: 0.004 (instrument spec); Quality flag convention: Flag 1 = QC has been performed and element appears to be correct, Flag 2 = QC has been performed and element appears to be probably good with other elements, Flag 3 = QC has been performed and element appears to be probably bad, Flag 4 = QC has been performed and element appears to be bad, Flag 5 = the value has been modified as a result of QC, Flag 9 = The value of the element is missing..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Sea Surface Temperature; Abbreviation: TEMPERATURE; Unit: degrees celcius; Observation type: discrete; Analyzing instrument: Sea-Bird SeapHOx; Uncertainty: 0.0001 deg C (instrument spec); Quality flag convention: Flag 1 = QC has been performed and element appears to be correct, Flag 2 = QC has been performed and element appears to be probably good with other elements, Flag 3 = QC has been performed and element appears to be probably bad, Flag 4 = QC has been performed and element appears to be bad, Flag 5 = the value has been modified as a result of QC, Flag 9 = The value of the element is missing..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Sea Surface Salinity; Abbreviation: SALINITY; Observation type: doscrete; Analyzing instrument: Sea-Bird SeapHOx; Detailed sampling and analyzing information: Traceable to SeaBird calibration for pressure, temperature and salinity (Feb 2020); Uncertainty: 0.00001 siemens (instrument spec); Quality flag convention: Flag 1 = QC has been performed and element appears to be correct, Flag 2 = QC has been performed and element appears to be probably good with other elements, Flag 3 = QC has been performed and element appears to be probably bad, Flag 4 = QC has been performed and element appears to be bad, Flag 5 = the value has been modified as a result of QC, Flag 9 = The value of the element is missing..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Dissolved Oxygen Concentration; Abbreviation: DISSOLVED_OXYGEN; Unit: mg/l; Observation type: doscrete; Analyzing instrument: Sea-Bird SeapHOx; Detailed sampling and analyzing information: Traceable to SeaBird calibration for pressure, temperature and salinity (Feb 2020); Uncertainty: 0.001 mg/L (instrument spec); Quality flag convention: Flag 1 = QC has been performed and element appears to be correct, Flag 2 = QC has been performed and element appears to be probably good with other elements, Flag 3 = QC has been performed and element appears to be probably bad, Flag 4 = QC has been performed and element appears to be bad, Flag 5 = the value has been modified as a result of QC, Flag 9 = The value of the element is missing. .
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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:  oxygen sensor
            type:  oxygen sensor
            description:  Any instrument that measures oxygen content in a compound.
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  pH sensor
            type:  pH sensor
            description:  generic meter used to measure pH Any of a class of instruments used to quantify pH in a water or other type of sample.
        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.
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  moorings
            description:  entry created as MOORINGS OF UNITED STATES, but has been used as a generic MOORINGS entry.
            instrument: (missing)