Observed Flood Areas / Historic Flood MapsHavaitut tulva-alueet / Historic Flood Maps
Havaitut tulva-alueet / Historic Flood MapsObserved Flood Areas / Historic Flood Maps
This dataset defines an observed flood area as the extent of land covered by water during a specific, actual flood event. The boundary is delineated using field observations, such as marking or photographing the edge of the flooded area, or through remote sensing data, including aerial photography (still images or video) or satellite imagery. The interpreted flood boundary can be used to assess the extent and impact of past flooding. The dataset is maintained as part of Finland's national open data offering and supports flood risk mapping and historical flood analysis.Havaittu tulva-alue on jonkun tietyn toteutuneen tulvan veden peittämä alue, joka on rajattu maastohavaintojen (tulva-alueen reunan merkitseminen tai kuvaaminen) tai kaukokartoitusaineiston (ilmakuvaus (stillkuvat/videointi) tai satelliittikuvat) perusteella. Tulkitulta tulvarajalta voidaan käydä...
Trust score
How is this computed?Weighted across five axes. Tap a ring for what it measures.
Data access
A queryable map-feature service. Its attribute schema couldn't be read automatically — query the service endpoint directly to inspect its fields.
Verification Status
Machine-readable & source
Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.