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    • Estimated Seafloor Depth Gradients: ETOPO (US West Coast)

    Metadata Updated: June 10, 2023

    Estimated sea_floor depth x-gradient, y-gradient and gradient magnitude using the Python scikit-image canny algorithm with sigma = 7.5, x-gradient, y-gradient and gradient magnitude. For the code used to create this dataset (and a description), see https://rmendels.github.io/seafloor_gradient_doc.html .

    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.

    Downloads & Resources

    Dates

    Metadata Date September 2, 2022
    Metadata Created Date November 12, 2020
    Metadata Updated Date June 10, 2023
    Reference Date(s) September 2, 2022 (creation)
    Frequency Of Update

    Metadata Source

    Harvested from Pacific Fisheries Environmental Laboratory

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Date September 2, 2022
    Metadata Created Date November 12, 2020
    Metadata Updated Date June 10, 2023
    Reference Date(s) September 2, 2022 (creation)
    Responsible Party NOAA NMFS SWFSC ERD (Point of Contact)
    Contact Email
    Guid erdEtopoSeafloorGradient
    Access Constraints
    Bbox East Long -105.0
    Bbox North Lat 50.0
    Bbox South Lat 20.0
    Bbox West Long -130.0
    Coupled Resource [{"title": [], "href": ["#DataIdentification"], "uuid": []}, {"title": [], "href": ["#DataIdentification"], "uuid": []}, {"title": [], "href": ["#DataIdentification"], "uuid": []}]
    Frequency Of Update
    Harvest Object Id 067c3bdc-cae5-4b5e-ac60-93f4796db1b3
    Harvest Source Id 817069b7-5f4e-4664-9e6b-615af3dfcf2d
    Harvest Source Title Pacific Fisheries Environmental Laboratory
    Licence
    Lineage created from etopousing python scikit-image canny algorithm, sigma = 10
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-130.0, 20.0], [-105.0, 20.0], [-105.0, 50.0], [-130.0, 50.0], [-130.0, 20.0]]]}
    Progress
    Spatial Data Service Type ERDDAP griddap
    Spatial Reference System
    Spatial Harvester True

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