Polygons of extent of floods in the Chaudière River derived from aerial data (French, SHP)

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Publisher-reported update

2026-09-09

#Données linked to the monitoring of the 2019 floods in Quebec __Attention: water extent data is a near real-time interpretation of satellite data; they were produced in operational mode and are provided as is without exhaustive validation. The product may contain errors, especially in urban areas. __ #Liste of available data: the monitoring of flood and landslide events between April 14, 2019 and May 28, 2019 in geolocated points (web service and download), municipalities affected by flood events between April 14, 2019 and May 28, 2019, updated in real time with the event layer (web service); the extent limits of open waters generated by Natural Resources Canada, derived from Radarsat 2 satellite data or other radar satellites and those generated by Dromedaire Géo-Innovations, derived from Sentinel satellite data (web service and download), flood limits for the Chaudière River sector derived from heliborne data (web service and download) satellite images in the visible and near infrared on the most severely affected areas (web service and download when possible). oblique images acquired on April 29 on the Ottawa River and the Greater Montreal Area as part of the National Aerial…

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