Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content

SWOT Level 2 Nadir Altimeter Interim Geophysical Data Record with Waveforms - SSHA Version 1.0

Metadata Updated: April 10, 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 September 27, 2023
Metadata Updated Date April 10, 2025

Metadata Source

Harvested from NASA Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date September 27, 2023
Metadata Updated Date April 10, 2025
Publisher NASA/JPL/PODAAC
Maintainer
Identifier C2628598397-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 75885e9c-4579-4280-9af6-53fd1b2c4150
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 cc440cf4aad62d631bc8a081ddbf35c51faaeb68888687fb7d0f3c2525c52bc1
Source Schema Version 1.1
Spatial
Temporal 2022-12-16T00:00:00Z/2023-08-14T00:00:00Z

Didn't find what you're looking for? Suggest a dataset here.