#nationalelevationdatastrategy — Public Fediverse posts

More [Canadian] High-Resolution Lidar [HRDEM] And Elevation Data Now Available
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https://natural-resources.canada.ca/science-data/science-research/geomatics/more-high-resolution-lidar-elevation-data-now-available <-- shared technical press release
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“... In this first article, highlights include:
• HRDEM & HRDEM Mosaic - over 709,000 km² of new LiDAR-derived elevation data added since May 2024, increasing coverage by 54%. This product now covers 244 of Canada’s 250 largest cities, and over 95% of the population.
• Northern HRDEM data - fully updated using ArcticDEM v4.1, improving quality for the entire Canadian Arctic.
• Automatically Extracted Buildings - Added 61 new projects and over 2.58 million building footprints, bringing the total to over 13.6 million.
• LiDAR Point Clouds - Expanded by over 200,000 km2, now totalling close to 364,000 km²…”
#GIS #spatial #mapping #Canada #HRDEM #mosaic #LiDAR #elevation #NationalElevationDataStrategy #pointcloud #ArcticDEM #building #footprints #geographic #coverage #progress #opendata #Canadian #arctic #remotesensing #earthobservation #NaturalResourcesCanada

[Canadian] National Elevation Data Strategy Newsletter [NRCAN]
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https://gogeomatics.ca/national-elevation-data-strategy-a-significant-coverage-increase/ <-- shared technical newsletter
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#GIS #spatial #mapping #remotesensing #LiDAR #elevation #opendata #airborneLiDAR #AutomaticallyExtractedBuildings #buildingfootprints #Canada #CanElevation #CGVD2013 #CopernicusDEM #dataacquisition #digitalelevationmodel #DEM #Digitalsurfacemodel #DigitalTerrainModel #DSM #DTM #elevationproducts #FloodHazardMapping #geographicdata #highresolutiondata #HRDEM #HRDEMmosaic #PointCloud #mediumresolutionelevationmodel #MRDEM #NAD83 #NationalElevationDataStrategy #NRCAN #topographicaldata #vectorformat #flood #flooding #extremeweather #climatechange #naturalhazard #risk #hazard #datacoverage
@NRCAN