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SWOT Simulated Level 2 North America Continent High Rate Lake Vectors Product Version 1.0

Published by NASA/JPL/PODAAC | National Aeronautics and Space Administration | Catalog Last Checked: September 08, 2026 at 11:09 PM | Dataset Last Updated: September 08, 2026
This dataset contains a simulated lake product to be provided by the Surface Water and Ocean Topography (SWOT) mission with a focus on the North America continent. The product is derived from the high-rate (HR) measurements produced by the SWOT main instrument, a Ka-band Radar Interferometer. These data are produced for inland and coastal hydrology surfaces, as controlled by the reloadable KaRIn HR mask. This product consists of three shapefiles: 1) an observation-oriented shapefile of lakes identified in the Prior Lake Database (PLD); 2) a PLD-oriented shapefile of lakes identified in the PLD; 3) a shapefile of unassigned features that have not been identified as a lake in the PLD nor as a river in the Prior River Database (PRD). Lake attributes include water surface elevation, area, and uncertainty estimates. The identified lake shapes inherit the SWOT swath width that is approximately 128 km wide in the cross-track direction with a 20-km nadir gap. Note that this is a simulated SWOT product and not suited for any scientific exploration.

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Complete Metadata
@type dcat:Dataset
accessLevel public
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contactPoint 
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  "@type": "vcard:Contact",
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}
description This dataset contains a simulated lake product to be provided by the Surface Water and Ocean Topography (SWOT) mission with a focus on the North America continent. The product is derived from the high-rate (HR) measurements produced by the SWOT main instrument, a Ka-band Radar Interferometer. These data are produced for inland and coastal hydrology surfaces, as controlled by the reloadable KaRIn HR mask. This product consists of three shapefiles: 1) an observation-oriented shapefile of lakes identified in the Prior Lake Database (PLD); 2) a PLD-oriented shapefile of lakes identified in the PLD; 3) a shapefile of unassigned features that have not been identified as a lake in the PLD nor as a river in the Prior River Database (PRD). Lake attributes include water surface elevation, area, and uncertainty estimates. The identified lake shapes inherit the SWOT swath width that is approximately 128 km wide in the cross-track direction with a 20-km nadir gap. Note that this is a simulated SWOT product and not suited for any scientific exploration.
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identifier 10.5067/KARIN-2LSP1
keyword 
[
  "earth-science-surface-water-terrestrial-hydrosphere-surface-water-features",
  "earth-science-surface-water-terrestrial-hydrosphere-surface-water-processes-measurements"
]
license https://www.usa.gov/government-works
modified 2026-09-08
programCode 
[
  "026:000"
]
publisher 
{
  "name": "NASA/JPL/PODAAC",
  "@type": "org:Organization"
}
spatial 
"["GEODETIC", [{"NorthBoundingCoordinate": 52.0, "WestBoundingCoordinate": -113.0, "EastBoundingCoordinate": -82.0, "SouthBoundingCoordinate": 24.0}]]"
temporal 2022-08-01/2022-08-22
theme 
[
  "Earth Science"
]
title SWOT Simulated Level 2 North America Continent High Rate Lake Vectors Product Version 1.0

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