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

Published by NASA/JPL/PODAAC | National Aeronautics and Space Administration | Metadata Last Checked: October 27, 2025 | Last Modified: 2025-03-31

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.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	C2628598397-POCLOUD
issued	2022-06-28
landingPage	https://doi.org/10.5067/SWOT-NALT-IGDR-1.0
language	[ "en-US" ]
programCode	[ "026:001" ]
spatial	-180.0 -77.6 180.0 77.6
temporal	2022-12-16T00:00:00Z/2023-08-14T00:00:00Z
theme	[ "SWOT", "geospatial" ]