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Deltares Global Flood Maps

[Deltares](https://www.deltares.nl/en/) has produced inundation maps of flood depth using a model that takes into account water level attenuation and is forced by sea level. At the coastline, the model is forced by extreme water levels containing surge and tide from GTSMip6. The water level at the coastline is extended landwards to all areas that are hydrodynamically connected to the coast following a ‘bathtub’ like approach and calculates the flood depth as the difference between the water leve

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What's in it

Data offered llm-inferred
flood depth (inundation maps) · coastal flood extent from extreme water levels (surge and tide)
Coverage llm-inferred
Global
Access llm-inferred
Open, no authentication (auth null); licence CDLA-Permissive-1.0

Useful for

Use cases llm-inferred
Coastal flood depth screening for UK site FRA context · Flood-depth context for drainage and civils design constraints · Planning-stage flood risk review for coastal sites
Audience llm-inferred
flood consultants · hydrologists · drainage engineers · civils engineers · planners

Limitations

Constraints llm-inferred
No DOCS retrieved; all values unverified · Coastal forcing only; flood depth derived from a bathtub-style extension of coastal water levels, so it may not capture local hydraulics · Global dataset; local accuracy for UK sites not established · Temporal coverage, resolution and formats not stated in the entry
Licence
CDLA-Permissive-1.0
Authentication
Unknown — review source docs
GitHub stars
Unknown
Last commit
Unknown
Last successful page check
16/10/2026
Page health
page reachable
Package
Not recorded
Verification
Not independently verified

Provenance & evidence

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

Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (planetary-computer)