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National Coral Reef Monitoring Program: Dissolved inorganic carbon, total alkalinity, pH and other variables collected from surface discrete measurements using Coulometer, alkalinity titrator and other instruments from the Florida Keys, Southeast Florida, from 2020-01-06 to 2021-01-14 (NCEI Accession 0244931, superseded by NCEI Accession 0290602)

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This accession has been superseded by NCEI Accession 0290602. Please use and refer to NCEI Accession 0290602 instead of this accession. Users should only use this accession for special cases, such as reproducing previous studies that used this accession. Refer to the documentation for more information.

Dataset Citation

Cite as: Enochs, Ian C.; Besemer, Nicole; Boyd, Albert (2022). National Coral Reef Monitoring Program: Dissolved inorganic carbon, total alkalinity, pH and other variables collected from surface discrete measurements using Coulometer, alkalinity titrator and other instruments from the Florida Keys, Southeast Florida, from 2020-01-06 to 2021-01-14 (NCEI Accession 0244931). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0244931. Accessed [date].

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gov.noaa.nodc:0244931

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Download Data	HTTPS (download) Navigate directly to the URL for data access and direct download. FTP (download) 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).
Distribution Formats	Originator data format
Ordering Instructions	Contact NCEI for other distribution options and instructions.
Distributor	NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov
Dataset Point of Contact	NOAA National Centers for Environmental Information ncei.info@noaa.gov

Time Period	2020-01-06 to 2021-01-14
Spatial Bounding Box Coordinates	West: -81.831501 East: -80.03236 South: 24.396144 North: 26.52592
Spatial Coverage Map

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Associated Resources

NCEI Accession 0290602
- https://www.ncei.noaa.gov/archive/accession/0290602
  NCEI accession 0244931 has been superseded by accession 0290602. Please use and refer to accession 0290602 instead of NCEI accession 0244931.
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
- https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
  OCADS website

Publication Dates	publication: 2022-01-10
Data Presentation Form	Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status	Superseded - replaced by new Historical archive - data has been stored in an offline storage facility
Data Update Frequency	As needed
Supplemental Information	This data package (Submission ID: BFTP9A0CW) was acquired by NCEI from the Scientific Data Integration System (SDIS) at the NOAA Pacific Marine Environmental Laboratory (PMEL) in accordance with the archival submission agreement between NCEI and PMEL.
Purpose	Provide high-quality carbonate chemistry data (dissolved inorganic carbon and total alkalinity) for US coral reef areas at a several spatial and temporal scales, in close partnership with the larger CRCP NCRMP and OAP/PMEL NOA-ON efforts.
Use Limitations	accessLevel: Public This accession has been superseded by NCEI accession 0290602. Please use and refer to NCEI accession 0290602 instead of this accession. Users should only use this accession for special cases, such as reproducing previous studies that used this accession. Refer to the documentation for more information. 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.

Dataset Citation	Cite as: Enochs, Ian C.; Besemer, Nicole; Boyd, Albert (2022). National Coral Reef Monitoring Program: Dissolved inorganic carbon, total alkalinity, pH and other variables collected from surface discrete measurements using Coulometer, alkalinity titrator and other instruments from the Florida Keys, Southeast Florida, from 2020-01-06 to 2021-01-14 (NCEI Accession 0244931). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0244931. Accessed [date].
Cited Authors	Enochs, Ian C. NOAA Atlantic Oceanographic and Meteorological Laboratory (AOML) Besemer, Nicole NOAA Research Boyd, Albert
Principal Investigators	Ian C. Enochs US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory (AOML) Christopher R. Kelble US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory (AOML) Nicole Besemer US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory (AOML)
Contributors	US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory (AOML)
Resource Providers	Nicole Besemer US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory (AOML) US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory (AOML)
Publishers	NOAA National Centers for Environmental Information
Acknowledgments	Funding Information: NOAA Ocean Acidification Program (MApCO2 buoys at NCRMP Class III sites in US coral reefs (Towle CRCP), 17921) Funding Information: NOAA Ocean Acidification Program (NCRMP OA Enterprise: National Coral Reef Monitoring Program – Ocean Acidification Atlantic (Manzello, AOML), OAP1807-1019) Funding Information: NOAA Ocean Acidification Program (NCRMP OA Enterprise: National Coral Reef Monitoring Program – Ocean Acidification Atlantic (Manzello, AOML), 20680) Funding Information: NOAA's Ocean Acidification Program (National Coral Reef Monitoring Program - Ocean Acidification Enterprise)

Theme keywords	NODC DATA TYPES THESAURUS ARAGONITE SATURATION STATE DEPTH - OBSERVATION DISSOLVED INORGANIC CARBON (DIC) partial pressure of carbon dioxide - water pH SALINITY total alkalinity WATER TEMPERATURE NODC OBSERVATION TYPES THESAURUS chemical discrete sample in situ physical surface underway survey - coral reef WMO_CategoryCode oceanography Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBONATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY OCADS Study Type Discrete measurement Surface underway Provider Variable Abbreviations Aragonite_Sat_W DIC_umol/kg Salinity_Bottle Sample_Depth_m TA_umol/kg Temperature_C pCO2_uatm pH_calculated pH_measured
Data Center keywords	NODC COLLECTING INSTITUTION NAMES THESAURUS US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory NODC SUBMITTING INSTITUTION NAMES THESAURUS US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory Global Change Master Directory (GCMD) Data Center Keywords DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce
Instrument keywords	NODC INSTRUMENT TYPES THESAURUS bottle coulometer for DIC measurement multi-parameter water quality sensor Niskin bottle titrator Global Change Master Directory (GCMD) Instrument Keywords COULOMETERS NISKIN BOTTLES
Place keywords	NODC SEA AREA NAMES THESAURUS Coastal Waters of Florida Florida Keys National Marine Sanctuary Gulf of Mexico North Atlantic Ocean Global Change Master Directory (GCMD) Location Keywords OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO Provider Geographic Names Florida Keys Southeast Florida
Project keywords	NODC PROJECT NAMES THESAURUS CORAL REEF STUDIES National Coral Reef Monitoring Program (NCRMP) Ocean Carbon and Acidification Data System (OCADS) Ocean Acidification Search Keywords Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project
Keywords	NCEI ACCESSION NUMBER 0244931

Use Constraints	Cite as: Enochs, Ian C.; Besemer, Nicole; Boyd, Albert (2022). National Coral Reef Monitoring Program: Dissolved inorganic carbon, total alkalinity, pH and other variables collected from surface discrete measurements using Coulometer, alkalinity titrator and other instruments from the Florida Keys, Southeast Florida, from 2020-01-06 to 2021-01-14 (NCEI Accession 0244931). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0244931. Accessed [date].
Access Constraints	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.
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.

Lineage information for: dataset
Processing Steps	2022-01-10T22:46:11Z - NCEI Accession 0244931 v1.1 was published.
Output Datasets	NCEI Accession 0244931 v1.1 NCEI Accession 0244931 v1.1 (download) published 2022-01-10T22:46:11Z

Lineage information for: dataset
Processing Steps	2024-07-16T23:56:25Z - This accession was superseded by NCEI accession 0290602. Rationale: This accession has been superseded by NCEI accession 0290602. Please use and refer to NCEI accession 0290602 instead of this accession.
Output Datasets	NCEI Accession 0290602 NCEI Accession 0290602 published 2024-07-16T23:56:25Z

Lineage information for: dataset
Processing Steps	Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: DIC_umol/kg; Unit: umol/kg; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Apollo Sci-tech DIC Analyzer, model no. AS-C3; Detailed sampling and analyzing information: Measurements drawn according to procedures in the Guide to best practices for ocean CO2 measurements (Dickson et al., 2007). Borosilicate bottle were rinsed and filled from bottom, leaving a minimal amount of headspace while making sure no bubbles were introduced. Then 200uL of saturated HgCl2 solution was added, bottles were sealed with glass stoppers lightly covered with Apiezon-L grease, and were stored at room temperature to be sent back to the lab for analysis on the Apollo Sci-tech DIC Analyzer.; Replicate information: duplicate samples analyzed; Standardization description: Duplicate samples are run in addition to Certified Reference Material (CRM), supplied by Dr. A. Dickson of UCSD; Standardization frequency: Along with duplicate samples being run throughout, CRMs are run at the beginning to generate offset value and at the end to assess drift; CRM manufacturer: Andrew Dickson's lab at Scripps Institute of Oceanography; CRM batch number: CRM 140, 150, 157, 164; Preservation method: saturated Mercury (II) Chloride (HgCl2); Preservative volume: 200uL; Uncertainty: ±2 umol/kg; 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.; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: Total alkalinity; Abbreviation: TA_umol/kg; Unit: umol/kg; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Apollo Sci-tech Alkalinity Titrator, model no. AS-ALK2; Type of titration: Gran titration; Cell type (open or closed): open; Detailed sampling and analyzing information: Samples run using remaining water from the same sample bottles used for DIC. Refer to DIC for more information on sampling and conservation of samples. Water samples were titrated with 0.11M HCl solution.; Replicate information: 500-ml sets of duplicate samples; Standardization description: Duplicate samples are run in addition to Certified Reference Material (CRM), supplied by Dr. A. Dickson of UCSD; Standardization frequency: Along with duplicate samples being run throughout, CRMs are run at the beginning to generate offset value; CRM manufacturer: Andrew Dickson's lab at Scripps Institute of Oceanography; CRM batch number: CRM 140, 150, 157, 164; Preservation method: saturated Mercury (II) Chloride (HgCl2); Preservative volume: 200uL; Uncertainty: ±1-2 umol/kg; 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.; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: pH; Abbreviation: pH_calculated; pH scale: Total; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Detailed sampling and analyzing information: Same sample bottle for pH, DIC and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Replicate information: 500-ml sets of duplicate samples; At what temperature was pH reported: temperature during analysis (25C); Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: pCO2 (fCO2) discrete; Abbreviation: pCO2_uatm; Unit: uatm; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Storage method: Borosilicate bottle; Seawater volume: 500; Headspace volume: 5 mL; Detailed sampling and analyzing information: Same sample bottle for pCO2, pH, DIC, and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Sample replicate information: 500-ml sets of duplicate samples; Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: Temperature measured during sample collection in degrees Celsius; Abbreviation: Temperature_C; Unit: degC; Observation type: surface measurement; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: measured; Sampling instrument: Borosilicate bottle; Analyzing instrument: YSI EcoSense EC300A portable conductivity, salinity, and temperature instrument; Duration: one-time measurement; Detailed sampling and analyzing information: Model EC300A; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: Salinity calculated from denisty measurement; Abbreviation: Salinity_Bottle; Unit: psu; Observation type: surface measurement; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Densitometer, Anton Paar DMA XXX; Duration: one-time measurement; Detailed sampling and analyzing information: 1mL of original seawater sample used for density analysis. Salinity then calculated using density and temperature of sample at time of density measurement through use of the UNESCO Equation of State of Seawater; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: Depth in meters; Abbreviation: Sample_Depth_m; Unit: m; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: measured; Sampling instrument: depth gauge; Duration: one-time measurement; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: Aragonite saturation state; Abbreviation: Aragonite_Sat_W; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Duration: one-time measurement; Detailed sampling and analyzing information: Same sample bottle for pCO2, pH, DIC, and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Replicate information: 500-ml sets of duplicate samples; Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration. Parameter or Variable: Spectrophotometric pH; Abbreviation: pH_measured; Unit: Total Scale pH units; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: measured; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Agilent Cary 8454 UV-Vis Spectrophotometer; Duration: one-time measurement; Detailed sampling and analyzing information: Same sample bottle for pCO2, pH, DIC, and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Replicate information: 500-ml sets of duplicate samples; Uncertainty: ±0.005 pH units; Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration .

Lineage information for: dataset

Processing Steps

Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: DIC_umol/kg; Unit: umol/kg; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Apollo Sci-tech DIC Analyzer, model no. AS-C3; Detailed sampling and analyzing information: Measurements drawn according to procedures in the Guide to best practices for ocean CO2 measurements (Dickson et al., 2007). Borosilicate bottle were rinsed and filled from bottom, leaving a minimal amount of headspace while making sure no bubbles were introduced. Then 200uL of saturated HgCl2 solution was added, bottles were sealed with glass stoppers lightly covered with Apiezon-L grease, and were stored at room temperature to be sent back to the lab for analysis on the Apollo Sci-tech DIC Analyzer.; Replicate information: duplicate samples analyzed; Standardization description: Duplicate samples are run in addition to Certified Reference Material (CRM), supplied by Dr. A. Dickson of UCSD; Standardization frequency: Along with duplicate samples being run throughout, CRMs are run at the beginning to generate offset value and at the end to assess drift; CRM manufacturer: Andrew Dickson's lab at Scripps Institute of Oceanography; CRM batch number: CRM 140, 150, 157, 164; Preservation method: saturated Mercury (II) Chloride (HgCl2); Preservative volume: 200uL; Uncertainty: ±2 umol/kg; 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.; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: Total alkalinity; Abbreviation: TA_umol/kg; Unit: umol/kg; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Apollo Sci-tech Alkalinity Titrator, model no. AS-ALK2; Type of titration: Gran titration; Cell type (open or closed): open; Detailed sampling and analyzing information: Samples run using remaining water from the same sample bottles used for DIC. Refer to DIC for more information on sampling and conservation of samples. Water samples were titrated with 0.11M HCl solution.; Replicate information: 500-ml sets of duplicate samples; Standardization description: Duplicate samples are run in addition to Certified Reference Material (CRM), supplied by Dr. A. Dickson of UCSD; Standardization frequency: Along with duplicate samples being run throughout, CRMs are run at the beginning to generate offset value; CRM manufacturer: Andrew Dickson's lab at Scripps Institute of Oceanography; CRM batch number: CRM 140, 150, 157, 164; Preservation method: saturated Mercury (II) Chloride (HgCl2); Preservative volume: 200uL; Uncertainty: ±1-2 umol/kg; 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.; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: pH; Abbreviation: pH_calculated; pH scale: Total; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Detailed sampling and analyzing information: Same sample bottle for pH, DIC and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Replicate information: 500-ml sets of duplicate samples; At what temperature was pH reported: temperature during analysis (25C); Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: pCO2 (fCO2) discrete; Abbreviation: pCO2_uatm; Unit: uatm; Observation type: discrete water sample; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Storage method: Borosilicate bottle; Seawater volume: 500; Headspace volume: 5 mL; Detailed sampling and analyzing information: Same sample bottle for pCO2, pH, DIC, and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Sample replicate information: 500-ml sets of duplicate samples; Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: Temperature measured during sample collection in degrees Celsius; Abbreviation: Temperature_C; Unit: degC; Observation type: surface measurement; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: measured; Sampling instrument: Borosilicate bottle; Analyzing instrument: YSI EcoSense EC300A portable conductivity, salinity, and temperature instrument; Duration: one-time measurement; Detailed sampling and analyzing information: Model EC300A; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: Salinity calculated from denisty measurement; Abbreviation: Salinity_Bottle; Unit: psu; Observation type: surface measurement; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Densitometer, Anton Paar DMA XXX; Duration: one-time measurement; Detailed sampling and analyzing information: 1mL of original seawater sample used for density analysis. Salinity then calculated using density and temperature of sample at time of density measurement through use of the UNESCO Equation of State of Seawater; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: Depth in meters; Abbreviation: Sample_Depth_m; Unit: m; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: measured; Sampling instrument: depth gauge; Duration: one-time measurement; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: Aragonite saturation state; Abbreviation: Aragonite_Sat_W; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: calculated; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Duration: one-time measurement; Detailed sampling and analyzing information: Same sample bottle for pCO2, pH, DIC, and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Replicate information: 500-ml sets of duplicate samples; Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration.
Parameter or Variable: Spectrophotometric pH; Abbreviation: pH_measured; Unit: Total Scale pH units; In-situ / Manipulation / Response variable: In-situ observation; Measured or calculated: measured; Sampling instrument: Niskin bottle, stored in borosilicate bottle (125mL, 600mL); Analyzing instrument: Agilent Cary 8454 UV-Vis Spectrophotometer; Duration: one-time measurement; Detailed sampling and analyzing information: Same sample bottle for pCO2, pH, DIC, and TA analyses. Refer to DIC for more information on sampling and conservation of samples.; Replicate information: 500-ml sets of duplicate samples; Uncertainty: ±0.005 pH units; Method reference: Pierrot, D. E. Lewis, and D. W. R. Wallace. 2006. MS Excel Program Developed for CO2 System Calculations. ORNL/CDIAC-105a. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee. https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a; Researcher name: Ian Enochs; Researcher institution: Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration .

Acquisition Information (collection)
Instrument	bottle coulometer for DIC measurement multi-parameter water quality sensor Niskin bottle titrator

Last Modified: 2024-07-17T00:11:04Z
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