dataset · Global
Sentinel-3 SRAL Land Radar Altimetry - Hydrology (NTC)
This Collection provides Sentinel-3 SRAL Level-2 Land Altimetry Hydrology products, which contains surface topography estimations of lakes and rivers.
Visit source ↗Source details
Licence: other
Evidence quality: 37.8
Listed in cdse-stac 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 llm-inferred
- lake surface topography · river surface topography · Level-2 land altimetry hydrology products
- Coverage llm-inferred
- Global
- Resolution registry
- [1640] m
- Access llm-inferred
- No auth listed; licence 'other' (terms not specified in metadata)
Useful for
- Use cases llm-inferred
- Lake level trend and water balance checks for water resources assessments · River surface height context at altimetry crossings for flood model calibration · Reservoir and lake surface elevation review for abstraction licence assessments
- Audience llm-inferred
- hydrologists · flood consultants · GIS analysts
Limitations
- Constraints llm-inferred
- DOCS not retrieved, so no field is docs-verified · Licence is 'other' and the terms are not stated; check before commercial use · Altimetry samples water bodies along ground tracks, so coverage is not continuous · Resolution, formats and update cadence are not stated in the metadata
Evidence
Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.