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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, Puerto Rico, St. Thomas, St. John, and St. Croix USVI, from 2024-01-02 to 2024-12-26 (NCEI Accession 0308300)

    Metadata Updated: October 2, 2025

    This dataset contains carbonate chemistry data collected at both random locations and existing long-term sites in the Florida Keys, Dry Tortugas, Flower Garden Banks and Southeast Florida as part of the NOAA National Coral Reef Monitoring Program (NCRMP). These data are collected and analyzed to assess spatial and temporal variation in the seawater carbonate systems of coral reef ecosystems and include two types of sampling methods. The first method is collected by hand or niskin at the surface, either from the boat or by SCUBA divers. The second method uses subsurface autosamplers where water samples provided in this dataset were collected at a depth of approximately 15m. Samples are either collected singularly or as part of a diurnal set. The samples are processed by the Atlantic Oceanographic Meteorological Laboratory (AOML) where they are analyzed for total alkalinity (TA), dissolved inorganic carbon (DIC) and Spectrophotometric pH. Using the analyzed TA and DIC, alongside temperature, salinity and depth data, AOML staff calculated other important carbonate chemistry system parameters such as pH, pCO2, and aragonite saturation and reported the results in this dataset.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Date 2025-09-26T16:10:18Z
    Metadata Created Date October 2, 2025
    Metadata Updated Date October 2, 2025
    Reference Date(s) September 26, 2025 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from NOAA/NESDIS/ncei/accessions

    Other Data Resources

    Graphic Preview

    Graphic not available.

    Additional Metadata

    Resource Type Dataset
    Metadata Date 2025-09-26T16:10:18Z
    Metadata Created Date October 2, 2025
    Metadata Updated Date October 2, 2025
    Reference Date(s) September 26, 2025 (publication)
    Responsible Party (Point of Contact)
    Contact Email
    Guid gov.noaa.nodc:0308300
    Access Constraints Cite as: Besemer, Nicole; NOAA Atlantic Oceanographic and Meteorological Laboratory (AOML) (2025). 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, Puerto Rico, St. Thomas, St. John, and St. Croix USVI, from 2024-01-02 to 2024-12-26 (NCEI Accession 0308300). [indicate subset used]. NOAA National Centers for Environmental Information. Unpublished Dataset. https://www.ncei.noaa.gov/archive/accession/0308300. Accessed [date]., 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.
    Bbox East Long -79.996114
    Bbox North Lat 27.9218
    Bbox South Lat 24.33917
    Bbox West Long -93.821567
    Coupled Resource
    Frequency Of Update asNeeded
    Graphic Preview Description Graphic not available.
    Graphic Preview File https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0308300
    Graphic Preview Type PNG
    Harvest Object Id 6de30e4a-ad98-4cb1-8e55-7a20c8f86e69
    Harvest Source Id c084a438-6f6b-470d-93e0-16aeddb9f513
    Harvest Source Title NOAA/NESDIS/ncei/accessions
    Licence Data in this archival information package are not currently available for public download from NCEI. Please contact NCEI directly for access to these data., accessLevel: Public
    Lineage
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-93.821567, 24.33917], [-79.996114, 24.33917], [-79.996114, 27.9218], [-93.821567, 27.9218], [-93.821567, 24.33917]]]}
    Progress pending
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2024-01-02
    Temporal Extent End 2024-12-26

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