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    • Dissolved inorganic carbon, total alkalinity, sensor pH, pCO2, rhodamine concentration, nutrients, and other variables obtained from a tracer study for the development of in-water monitoring, reporting, and verification (MRV) of ship-based ocean alkalinity enhancement aboard the R/V Connecticut crise (EXPOCODE 33LQ20230901) in the North Atlantic Ocean, Northeast U.S. Shelf in from 2023-09-02 to 2023-09-04 (NCEI Accession 0305856)

    Metadata Updated: September 2, 2025

    This data package contains the shipboard (CTD bottle, CTD sensor profile, and underway measurements) and drifter data collected during a tracer study for the development of in-water monitoring, reporting, and verification (MRV) of ship-based ocean alkalinity enhancement aboard the R/V Connecticut in the North Atlantic Ocean, Northeast U.S. Shelf in September 2023. The campaign was named LOC-01, the first field campaign of the Locking Ocean Carbon in the Northeast Shelf and Slope (LOC-NESS) Project. A patch of rhodamine water tracer dye was created and then tracked and monitored for 36 hours using the ship’s underway system, a CTD rosette, and Lagrangian drifters. Measurements include rhodamine concentration, salinity, temperature, and a suite of carbonate and other chemical parameters. The cruise was designed to enable the development of a measurement, reporting, and verification (MRV) framework for ocean alkalinity enhancement (OAE), one that explicitly ties an OAE intervention and the resulting carbon dioxide removal to the dynamic baseline ocean state using these in situ observations.

    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.

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    Dates

    Metadata Date 2025-08-16T13:22:16Z
    Metadata Created Date August 1, 2025
    Metadata Updated Date September 2, 2025
    Reference Date(s) July 7, 2025 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from NOAA/NESDIS/ncei/accessions

    Other Data Resources

    Graphic Preview

    Preview graphic

    Additional Metadata

    Resource Type Dataset
    Metadata Date 2025-08-16T13:22:16Z
    Metadata Created Date August 1, 2025
    Metadata Updated Date September 2, 2025
    Reference Date(s) July 7, 2025 (publication)
    Responsible Party (Point of Contact)
    Contact Email
    Guid gov.noaa.nodc:0305856
    Access Constraints Cite as: Subhas, Adam V.; Rheuban, Jennie E.; Wang, Zhaohui Aleck; McCorkle, Daniel; Michel, Anna P. M.; Marx, Lukas; Dean, Chloe L.; Morkeski, Kate; Hayden, Matthew G.; Burkitt-Gray, Mary; Elder, Francis; Guo, Yiming; Kim, Heather H.; Chen, Ke (2025). Dissolved inorganic carbon, total alkalinity, sensor pH, pCO2, rhodamine concentration, nutrients, and other variables obtained from a tracer study for the development of in-water monitoring, reporting, and verification (MRV) of ship-based ocean alkalinity enhancement aboard the R/V Connecticut crise (EXPOCODE 33LQ20230901) in the North Atlantic Ocean, Northeast U.S. Shelf in from 2023-09-02 to 2023-09-04 (NCEI Accession 0305856). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/jssj-aw56. 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 -70.661
    Bbox North Lat 41.3021
    Bbox South Lat 41.0241
    Bbox West Long -72.0044
    Coupled Resource
    Frequency Of Update asNeeded
    Graphic Preview Description Preview graphic
    Graphic Preview File https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0305856
    Graphic Preview Type PNG
    Harvest Object Id 3b842dcf-45d2-4ce0-abe9-1545546e4903
    Harvest Source Id c084a438-6f6b-470d-93e0-16aeddb9f513
    Harvest Source Title NOAA/NESDIS/ncei/accessions
    Licence accessLevel: Public, Please provide fair and proper attribution of any re-use of these data.
    Lineage
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-72.0044, 41.0241], [-70.661, 41.0241], [-70.661, 41.3021], [-72.0044, 41.3021], [-72.0044, 41.0241]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2023-09-02
    Temporal Extent End 2023-09-04

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