Landsat Collection 2 Level-3 Dynamic Surface Water Extent (DSWE) Product

The Landsat Dynamic Surface Water Extent (DSWE) product contains six acquisition-based raster data products pertaining to the existence and condition of surface water.

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What's in it

Data offered docs-verified: Dynamic Surface Water Extent (DSWE) raster products (six acquisition-based products) · Landsat 4, 5, 7, 8 and 9 platforms
Coverage docs-verified: Global (bbox -180,-90,180,90) · 1982-08-22 to open-ended (present)
Formats docs-verified: raster
Access docs-verified: No authentication listed. Licence: Landsat Data Policy (USGS), linked PDF; terms not reviewed.

Useful for

Use cases llm-inferred: Long-term surface water occurrence baseline for site screening (1982 onward) · Historical water extent context for flood risk or drainage assessments · Waterbody change detection for environmental baseline reporting
Audience llm-inferred: hydrologists · flood consultants · GIS analysts · ecologists

Limitations

Constraints llm-inferred: Spatial resolution and update cadence are not stated in the docs · Global product; UK-specific validation not shown in the docs · Raster-only catalogue entry; no API tools listed in ENTRY · Licence terms are in a linked PDF and were not reviewed

Licence: https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/atoms/files/Landsat_Data_Policy.pdf
Authentication: Unknown — review source docs
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 16/10/2026
Page health: healthy
Package: Not recorded
Verification: Not independently verified

Provenance & evidence

Listed in usgs-landsatlook public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (usgs-landsatlook)

https://landsatlook.usgs.gov/stac-server/collections/landsat-c2l3-dswe