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    • Surface Elevation Table Data at the Nisqually River Delta, Washington

    Metadata Updated: January 22, 2026

    Surface Elevation Tables (SETs) were installed in 2009 and 2010 using permanent, deep rods driven down into the soil with a demolition hammer, typically about 60-80 feet. The top of the rod lies near the sediment surface, with a receiver end. A Surface Elevation Table is a portable mechanical leveling device that attaches to the receiving end at the top of the deep rod. The SET arm includes a bubble level and a notched collar that allows for the arm to be aligned precisely and repeatedly in the cardinal directions. SETs were installed as triplicates in Reference, Phase II, and as north-south pairs in the 2009 restoration area (Units 1-4). Each SET location was read repeatedly at regular, at least annual intervals. Reading SETs consisted of measurements for nine pins facing the four cardinal directions for a total of 36 measurements per SET, per sampling event. Each pin was measured to the nearest millimeter.

    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.

    Downloads & Resources

    Dates

    Metadata Created Date January 12, 2026
    Metadata Updated Date January 22, 2026

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 12, 2026
    Metadata Updated Date January 22, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_671acdb5d34efed5620fd181
    Data Last Modified 2024-11-12T00:00:00Z
    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://ddi.doi.gov/usgs-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
    Datagov Dedupe Retained 20260122015221
    Harvest Object Id ec1a8246-9f82-4bc6-bae8-ca3c80495bd9
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -122.74338, 47.05328, -122.74338, 47.12248, -122.65961, 47.12248, -122.65961, 47.05328, -122.74338, 47.05328}
    Source Datajson Identifier True
    Source Hash 57e217769e568efb9b671eaf1c8943424ec75dd7e79a9e8c9842dc61e6d30518
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -122.74338, 47.05328, -122.74338, 47.12248, -122.65961, 47.12248, -122.65961, 47.05328, -122.74338, 47.05328}

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