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    • SWOT Level 2 Nadir Altimeter Interim Geophysical Data Record with Waveforms - SSHA, Version 2.0

    Metadata Updated: November 14, 2025

    Same as L2_NALT_GDR, using preliminary values for some auxiliary data. Uses Medium-accuracy (preliminary) Orbit Ephemeris (MOE). Available with latency of < 1.5 days. Discrete measurements at nadir for each half orbit, along the ground track. Available in netCDF-4 file format.

    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 November 29, 2023
    Metadata Updated Date November 14, 2025

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 29, 2023
    Metadata Updated Date November 14, 2025
    Publisher NASA/JPL/PODAAC
    Maintainer
    Identifier C2799465538-POCLOUD
    Data First Published 2022-06-28
    Language en-US
    Data Last Modified 2025-03-31
    Category SWOT, geospatial
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    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 b9eef65c-0d5e-4c4d-a03c-ab10c1980512
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.5067/SWOT-NALT-IGDR-1.0
    Metadata Type geospatial
    Old Spatial -180.0 -77.6 180.0 77.6
    Program Code 026:001
    Source Datajson Identifier True
    Source Hash 8614a636030e2fffbd298c441f89f66f94bfb7e497b2b4a5b938fdc69ca63cf2
    Source Schema Version 1.1
    Spatial
    Temporal 2022-12-16T00:00:00Z/2023-11-27T00:00:00Z

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