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    • Chemical and Physical Controls on Mercury Source Signatures in Stream Fish from the Northeastern United States

    Metadata Updated: July 6, 2024

    The Northeast Stream Quality Assessment (NESQA) performed mercury (Hg) isotope analysis of prey fish, game fish, and sediments from 29 sites across an urban to forested land-use gradient. The data presented here includes the chemical analysis of Hg concentrations and isotopes, capture information for fish species, land use, and stream water quality variables. Using these parameters it was determined that the preservation of Hg isotope signatures, which are indicative of source (e.g. atmospheric deposition, industrial point discharge), were dependent on land use, proximity to point sources, and variables related urbanization (e.g. road density and impervious surface cover). Additional Information regarding the interpretation of this data set can be found in the corresponding journal article: (https://pubs.acs.org/doi/10.1021/acs.est.9b03394).

    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 June 1, 2023
    Metadata Updated Date July 6, 2024

    Metadata Source

    Harvested from DOI EDI

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 1, 2023
    Metadata Updated Date July 6, 2024
    Publisher U.S. Geological Survey
    Maintainer
    @Id http://datainventory.doi.gov/id/dataset/8454b1db6cc6c19f98b1900ef4f7a035
    Identifier USGS:5d14b416e4b0941bde5b73f7
    Data Last Modified 20200827
    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 81de2c20-53b5-4d52-9de8-be3458977695
    Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
    Harvest Source Title DOI EDI
    Metadata Type geospatial
    Old Spatial -74.934997559185,40.767730340232,-69.969177246883,43.711247986005
    Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
    Source Datajson Identifier True
    Source Hash 3ae0284ca5f66143c58b1742ddde217cd012e3908a19efc734baf6d8ab8f1d51
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -74.934997559185, 40.767730340232, -74.934997559185, 43.711247986005, -69.969177246883, 43.711247986005, -69.969177246883, 40.767730340232, -74.934997559185, 40.767730340232}

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