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    • SWOT Level 2 Nadir Altimeter Interim Geophysical Data Record with Waveforms - GDR Version D

    Metadata Updated: August 29, 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.This collection is a sub-collection of its parent: https://podaac.jpl.nasa.gov/dataset/SWOT_L2_NALT_IGDR_D

    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 May 13, 2025
    Metadata Updated Date August 29, 2025

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date May 13, 2025
    Metadata Updated Date August 29, 2025
    Publisher NASA/JPL;NASA/JPL/PODAAC
    Maintainer
    Identifier 10.5067/SWOT-NALT-IGDR-D
    Data Last Modified 2025-08-28
    Category Earth Science
    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 edf84912-04e0-4894-a5bc-9d300d0baa91
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/web-misc/swot_mission_docs/D-109532_SWOT_UserHandbook_RevA_20250311_sig-final.pdf
    Old Spatial "CARTESIAN",{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":77.6,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":-77.6}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash 5e4168f1ab8fb11536e702ef9f9ecc3e20aff1741f5510dd76b7fb76ff915015
    Source Schema Version 1.1
    Spatial
    Temporal 2022-12-16/2022-12-16

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