dataset · Global
SENTINEL-1A_DUAL_POL_GRD_HIGH_RES
Sentinel-1A Dual-pol ground projected high and full resolution images Read our doc on how to get AWS Credentials to retrieve this data: https://sentinel1.asf.alaska.edu/s3credentialsREADME
Visit source ↗Source details
Licence: [Creative Commons BY 4.0](https://creativecommons.org/licenses/by/4.0/)
Evidence quality: 30.5
Listed in aws-odr public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata checked: 2026-10-14T13:20:00.000Z
What's in it
- Data offered docs-verified
- Sentinel-1A dual-pol ground-projected high-resolution and full-resolution SAR images
- Coverage llm-inferred
- Global · 2014-04-03 to ongoing
- Formats llm-inferred
- TIFF
- Access docs-verified
- Controlled access: AWS credentials required (see ASF S3 credentials guide); licence Creative Commons BY 4.0
Useful for
- Use cases llm-inferred
- Flood extent mapping from SAR imagery for FRA or post-event review · Surface water and wetland change detection for baseline studies · Land cover and land use change screening for site baselines
- Audience llm-inferred
- flood consultants · hydrologists · GIS analysts · ecologists · planners
Limitations
- Constraints llm-inferred
- Controlled access: AWS credentials from ASF are needed to retrieve the data · SAR imagery requires specialist interpretation · Resolution is not stated in the docs; check product metadata before use
Evidence
Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.