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    • Measurements of mercury stable isotopes during planktonic uptake and photochemical demethylation of methylmercury

    Metadata Updated: July 6, 2024

    Laboratory experiments were performed between 2019 and 2020 to examine how dissolved organic matter (DOM) and phytoplankton (Raphidocelis subcapitata) cells alter mercury (Hg) uptake and isotope fractionation. Experiments were performed at ambient Hg to thiol ratios using natural organic matter isolates received from collaborators at the University of California-Davis. Two types of experiments were performed: (1) one set with SRFA isolates at two concentrations and Hg, termed uptake experiment, and (2) one set with DOM isolates, Hg, and cultured Raphidocelis subcapitata cells, termed sunlight exposure experiment. For additional experimental details, including culturing conditions, experimental set-up, and analysis, refer to the companion publication (Armstrong and others, 2023, TBD).

    Access & Use Information

    Public: This dataset is intended for public access and use. 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 Created Date December 12, 2023
    Metadata Updated Date July 6, 2024

    Metadata Source

    Harvested from DOI EDI

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date December 12, 2023
    Metadata Updated Date July 6, 2024
    Publisher U.S. Geological Survey
    Maintainer
    @Id http://datainventory.doi.gov/id/dataset/a380f08c6eb6e9ca4c46ae714f845e0f
    Identifier USGS:62d0405dd34e82ff904ad2cf
    Data Last Modified 20231206
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://datainventory.doi.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 799361a9-0298-4bf1-a7b8-7d2ddf6ce75d
    Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
    Harvest Source Title DOI EDI
    Metadata Type geospatial
    Old Spatial -89.428947,43.07359,-89.425449,43.076459
    Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
    Source Datajson Identifier True
    Source Hash 0e6ddfef71533e93afacc55c4358d64979ff5fd2658cbdfd21c575d5c481d590
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -89.428947, 43.07359, -89.428947, 43.076459, -89.425449, 43.076459, -89.425449, 43.07359, -89.428947, 43.07359}

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