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💧🌏 Greg Cocks[Canadian] National Elevation Data Strategy Newsletter [NRCAN] -- <a href="https://gogeomatics.ca/national-elevation-data-strategy-a-significant-coverage-increase/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://gogeomatics.ca/national-elevation-data-strategy-a-significant-coverage-increase/</a> <-- shared technical newsletter -- <a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GIS</a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spatial</a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mapping</a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#remotesensing</a> <a href="https://techhub.social/tags/LiDAR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LiDAR</a> <a href="https://techhub.social/tags/elevation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#elevation</a> <a href="https://techhub.social/tags/opendata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#opendata</a> <a href="https://techhub.social/tags/airborneLiDAR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airborneLiDAR</a> <a href="https://techhub.social/tags/AutomaticallyExtractedBuildings" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AutomaticallyExtractedBuildings</a> <a href="https://techhub.social/tags/buildingfootprints" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#buildingfootprints</a> <a href="https://techhub.social/tags/Canada" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Canada</a> <a href="https://techhub.social/tags/CanElevation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CanElevation</a> <a href="https://techhub.social/tags/CGVD2013" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CGVD2013</a> <a href="https://techhub.social/tags/CopernicusDEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CopernicusDEM</a> <a href="https://techhub.social/tags/dataacquisition" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dataacquisition</a> <a href="https://techhub.social/tags/digitalelevationmodel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#digitalelevationmodel</a> <a href="https://techhub.social/tags/DEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DEM</a> <a href="https://techhub.social/tags/Digitalsurfacemodel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Digitalsurfacemodel</a> <a href="https://techhub.social/tags/DigitalTerrainModel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DigitalTerrainModel</a> <a href="https://techhub.social/tags/DSM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DSM</a> <a href="https://techhub.social/tags/DTM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DTM</a> <a href="https://techhub.social/tags/elevationproducts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#elevationproducts</a> <a href="https://techhub.social/tags/FloodHazardMapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FloodHazardMapping</a> <a href="https://techhub.social/tags/geographicdata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geographicdata</a> <a href="https://techhub.social/tags/highresolutiondata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#highresolutiondata</a> <a href="https://techhub.social/tags/HRDEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HRDEM</a> <a href="https://techhub.social/tags/HRDEMmosaic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HRDEMmosaic</a> <a href="https://techhub.social/tags/PointCloud" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PointCloud</a> <a href="https://techhub.social/tags/mediumresolutionelevationmodel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mediumresolutionelevationmodel</a> <a href="https://techhub.social/tags/MRDEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MRDEM</a> <a href="https://techhub.social/tags/NAD83" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NAD83</a> <a href="https://techhub.social/tags/NationalElevationDataStrategy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NationalElevationDataStrategy</a> <a href="https://techhub.social/tags/NRCAN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NRCAN</a> <a href="https://techhub.social/tags/topographicaldata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#topographicaldata</a> <a href="https://techhub.social/tags/vectorformat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vectorformat</a> <a href="https://techhub.social/tags/flood" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#flood</a> <a href="https://techhub.social/tags/flooding" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#flooding</a> <a href="https://techhub.social/tags/extremeweather" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#extremeweather</a> <a href="https://techhub.social/tags/climatechange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climatechange</a> <a href="https://techhub.social/tags/naturalhazard" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#naturalhazard</a> <a href="https://techhub.social/tags/risk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#risk</a> <a href="https://techhub.social/tags/hazard" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hazard</a> <a href="https://techhub.social/tags/datacoverage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#datacoverage</a> @NRCAN

💧🌏 Greg CocksConsolidated Standardized Survey-Grade Checkpoints 3DEP 2010 to 2017 [USGS] -- <a href="https://www.sciencebase.gov/catalog/item/67075e6bd34e969edc59c3e7" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.sciencebase.gov/catalog/item/67075e6bd34e969edc59c3e7</a> -- “One of the key aspects of 3DEP data is that data is verified by a collection of certified survey-grade GNSS checkpoints spread throughout each project. These points have always been available but were difficult to find and not standardized. [The USGS] have collated and standardized almost 42,000 of these checkpoints and are making them available for other uses. These points here in this first phase span from 2010-2017, but [the USGS] are in the process of making these available for all [their] projects, and hope to enable them in different ways in the future...” <a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GIS</a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spatial</a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mapping</a> <a href="https://techhub.social/tags/USGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USGS</a> <a href="https://techhub.social/tags/USA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USA</a> <a href="https://techhub.social/tags/elevation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#elevation</a> <a href="https://techhub.social/tags/opendata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#opendata</a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#remotesensing</a> <a href="https://techhub.social/tags/LiDAR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LiDAR</a> <a href="https://techhub.social/tags/ifSAR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ifSAR</a> <a href="https://techhub.social/tags/3dep" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3dep</a> <a href="https://techhub.social/tags/3dhp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3dhp</a> <a href="https://techhub.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#water</a> <a href="https://techhub.social/tags/hydrology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hydrology</a> <a href="https://techhub.social/tags/3d" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3d</a> <a href="https://techhub.social/tags/opendata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#opendata</a> <a href="https://techhub.social/tags/3dtnm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3dtnm</a> <a href="https://techhub.social/tags/checkpoint" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#checkpoint</a> <a href="https://techhub.social/tags/checkpointdigital" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#checkpointdigital</a> <a href="https://techhub.social/tags/GNS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GNS</a> <a href="https://techhub.social/tags/GPS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GPS</a> <a href="https://techhub.social/tags/NGD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NGD</a> <a href="https://techhub.social/tags/DEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DEM</a> <a href="https://techhub.social/tags/survey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#survey</a> <a href="https://techhub.social/tags/surveygrade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#surveygrade</a> <a href="https://techhub.social/tags/accuracy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#accuracy</a> <a href="https://techhub.social/tags/precision" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#precision</a> <a href="https://techhub.social/tags/calibration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#calibration</a> <a href="https://techhub.social/tags/digital" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#digital</a> <a href="https://techhub.social/tags/NGTOC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NGTOC</a> <a href="https://techhub.social/tags/NAD83" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NAD83</a> @USGS

💧🌏 Greg CocksAs A USGS Employee Working In Spatial Data: hehehehehehehehe -- <a href="https://xkcd.com/2920/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://xkcd.com/2920/</a> <-- link to XKCD cartoon -- "The standard North American NAD83 coordinate system is misaligned from the actual Earth, off-centre by about 7 feet. Someone knows where I am, and I'm in the wrong place." <a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GIS</a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spatial</a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mapping</a> <a href="https://techhub.social/tags/humour" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humour</a> <a href="https://techhub.social/tags/humor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humor</a> <a href="https://techhub.social/tags/datums" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#datums</a> <a href="https://techhub.social/tags/coordinatesystems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#coordinatesystems</a> <a href="https://techhub.social/tags/NAD83" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NAD83</a> <a href="https://techhub.social/tags/NAVD88" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NAVD88</a> <a href="https://techhub.social/tags/mappymeme" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mappymeme</a> <a href="https://techhub.social/tags/survey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#survey</a> <a href="https://techhub.social/tags/USGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USGS</a> <a href="https://techhub.social/tags/NGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NGS</a> <a href="https://techhub.social/tags/benchmark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#benchmark</a> <a href="https://techhub.social/tags/surveymarker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#surveymarker</a> <a href="https://techhub.social/tags/NorthAmerica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NorthAmerica</a> <a href="https://techhub.social/tags/geodetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geodetic</a> <a href="https://techhub.social/tags/geodesy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geodesy</a> @XKCD

💧🌏 Greg CocksThe NSRS Horizontal Datums Will Be Tectonic Plate Based! | Changes To The Vertical Datums -- <a href="https://geodesy.noaa.gov/datums/newdatums/index.shtml" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://geodesy.noaa.gov/datums/newdatums/index.shtml</a> <-- details of the new NSRS datums, etc at the National Geodetic Survey (NGS) website -- <a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GIS</a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spatial</a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mapping</a> <a href="https://techhub.social/tags/coordinates" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#coordinates</a> <a href="https://techhub.social/tags/coordinatesystems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#coordinatesystems</a> <a href="https://techhub.social/tags/NationalGeodeticSurvey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NationalGeodeticSurvey</a> <a href="https://techhub.social/tags/NGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NGS</a> <a href="https://techhub.social/tags/datums" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#datums</a> <a href="https://techhub.social/tags/verticaldatum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#verticaldatum</a> <a href="https://techhub.social/tags/NorthAmerica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NorthAmerica</a> <a href="https://techhub.social/tags/horizontaldatum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#horizontaldatum</a> <a href="https://techhub.social/tags/NSRS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NSRS</a> <a href="https://techhub.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geology</a> <a href="https://techhub.social/tags/NorthAmericanPlate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NorthAmericanPlate</a> <a href="https://techhub.social/tags/CaribbeanPlate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CaribbeanPlate</a> <a href="https://techhub.social/tags/tectonics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tectonics</a> <a href="https://techhub.social/tags/platetectonics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#platetectonics</a> <a href="https://techhub.social/tags/movement" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#movement</a> <a href="https://techhub.social/tags/GPS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GPS</a> <a href="https://techhub.social/tags/GNSS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GNSS</a> <a href="https://techhub.social/tags/geomorphometry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geomorphometry</a> <a href="https://techhub.social/tags/NAVD88" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NAVD88</a> <a href="https://techhub.social/tags/NAD83" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NAD83</a> <a href="https://techhub.social/tags/accuracy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#accuracy</a> <a href="https://techhub.social/tags/precision" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#precision</a>

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