data api · Europe

Sentinel-2 Level 3 Quarterly Cloudless Mosaics

This dataset contains the [Sentinel-2 Level 3 Quarterly Cloudless Mosaics](https://documentation.dataspace.copernicus.eu/Data/SentinelMissions/Sentinel2.html#sentinel-2-level-3-quarterly-mosaics) from [CDSE](https://dataspace.copernicus.eu/) rehosted by Taylor Geospatial.

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What's in it

Data offered docs-verified: Quarterly cloud-free Sentinel-2 surface reflectance mosaic (int16, scale 0.0001) · Bands: B02 Blue, B03 Green, B04 Red, B08 NIR
Coverage llm-inferred: Global (per upstream product name; ENTRY lists Europe) · 2017 Q1 to 2025 Q4 (36 quarters)
Resolution docs-verified: 10 m spatial; one composite per quarter
Update frequency llm-inferred: Quarterly composites; 2026 Q1 and Q2 are staged in the bucket but not yet catalogued
Formats docs-verified: COG (Cloud-Optimized GeoTIFF, DEFLATE) · STAC catalog · Parquet manifests
Access docs-verified: Free and open, anonymous HTTPS/S3 with no API key or account; licence: Copernicus Sentinel data Legal Notice (free, full and open use including commercial use and redistribution; attribute as 'Copernicus Sentinel data 2017–2025')

Useful for

Use cases llm-inferred: Multi-year (2017–2025) land-cover and vegetation change context for ecological or planning baselines · NDVI from B04 and B08 for habitat or greenness baseline mapping · Windowed reads of tiles via /vsicurl for GIS basemaps without bulk download · Pre- and post-event vegetation or surface comparison for drainage or flood study context
Audience llm-inferred: GIS analysts · ecologists · planners · hydrologists · civils engineers

Limitations

Constraints llm-inferred: Values are int16 scaled by 10000 and the scale factor is not stored in the files; multiply by 0.0001 · Pixels with no valid observation are nodata (-32768) · Full dataset is about 607.5 TB across 1,017,575 tiles; use windowed reads · Upstream reprocesses old quarters, so finished quarters are snapshots · 2026 Q1 and Q2 are in the bucket but not in the catalog; filter year <= 2025 for catalogued quarters · Copy omits upstream observations.tif, userdata.json and the zipped Product asset · Derived products must state they contain modified Copernicus Sentinel data · Third-party mirror hosted by Taylor Geospatial on Source Cooperative; ongoing maintenance not guaranteed

Licence: see product README
Authentication: Public; anonymous HTTPS/S3 access via data.source.coop
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 14/10/2026
Page health: page reachable
Package: Not recorded
Verification: Not independently verified

Provenance & evidence

Verified via Source Cooperative API /api/v1/products/tge-labs (public product, updated 2026-10-07).

Metadata observed 14/10/2026 · research sweep: manual-2026-10-15 (source.coop)