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Spring 2023 flood mapping integrates open water extent polygons from radar satellites, event location points, and affected municipality boundaries. The dataset combines RADARSAT Constellation Mission imagery processed by Natural Resources Canada with Sentinel-1 and Sentinel-2 data from the European Space Agency. Records of flood events are maintained by the Deputy Directorate General of Operations of Québec's Ministry of Public Security.
License is qc-cc-by (Québec Creative Commons Attribution). Some metadata was machine-translated. Live flood monitoring requires a separate application (Vigilance - Flood Monitoring).