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

Metadata Updated: October 26, 2023

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 October 26, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 26, 2023
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 c608e397-b7a6-4936-9047-1c45bc912f5c
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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