Spatialists<p>GEDTM30: Global 30 meter terrain data: A team of researchers has released <a href="https://mapstodon.space/tags/GEDTM30" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GEDTM30</span></a>, a global <a href="https://mapstodon.space/tags/DigitalTerrainModel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalTerrainModel</span></a> with 30-meter (1 arcsecond) resolution, generated through <a href="https://mapstodon.space/tags/MachineLearning" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MachineLearning</span></a> fusion of various data sources, and accompanied by 15 geomorphometric parameters computed at... <br><a href="https://spatialists.ch/posts/2025/05/28-gedtm30-global-30-meter-terrain-data/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">spatialists.ch/posts/2025/05/2</span><span class="invisible">8-gedtm30-global-30-meter-terrain-data/</span></a> <a href="https://mapstodon.space/tags/GIS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GIS</span></a> <a href="https://mapstodon.space/tags/GISchat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GISchat</span></a> <a href="https://mapstodon.space/tags/geospatial" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>geospatial</span></a> <a href="https://mapstodon.space/tags/SwissGIS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SwissGIS</span></a></p>
eupolicy.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
This Mastodon server is a friendly and respectful discussion space for people working in areas related to EU policy. When you request to create an account, please tell us something about you.
Administered by:
Server stats:
197active users
eupolicy.social: About · Profiles directory · Privacy policy
Mastodon: About · Get the app · Keyboard shortcuts · View source code · v4.4.3
#digitalterrainmodel
0 posts · 0 participants · 0 posts today
💧🌏 Greg Cocks<p>GEDTM30 – A Global 1-Arc-Second (~30m) Digital Terrain Model (DTM)<br>--<br><a href="https://github.com/openlandmap/GEDTM30" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/openlandmap/GEDTM30</span><span class="invisible"></span></a> <-- shared GitHub repository<br>--<br><a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GIS</span></a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spatial</span></a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mapping</span></a> <a href="https://techhub.social/tags/opendata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opendata</span></a> <a href="https://techhub.social/tags/global" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>global</span></a> <a href="https://techhub.social/tags/DTM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DTM</span></a> <a href="https://techhub.social/tags/GEDTM30" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GEDTM30</span></a> <a href="https://techhub.social/tags/GitHub" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GitHub</span></a> <a href="https://techhub.social/tags/30m" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30m</span></a> <a href="https://techhub.social/tags/landsurface" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>landsurface</span></a> <a href="https://techhub.social/tags/parameters" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>parameters</span></a> <a href="https://techhub.social/tags/documentation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>documentation</span></a> <a href="https://techhub.social/tags/hydrology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hydrology</span></a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>remotesensing</span></a> <a href="https://techhub.social/tags/earthobservation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>earthobservation</span></a> <a href="https://techhub.social/tags/slope" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>slope</span></a> <a href="https://techhub.social/tags/geomorphons" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>geomorphons</span></a> <a href="https://techhub.social/tags/hillshade" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hillshade</span></a> <a href="https://techhub.social/tags/geomorphometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>geomorphometry</span></a> <a href="https://techhub.social/tags/geomorphology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>geomorphology</span></a> <a href="https://techhub.social/tags/topography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>topography</span></a> <a href="https://techhub.social/tags/Equi7" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Equi7</span></a> <a href="https://techhub.social/tags/terrainheight" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>terrainheight</span></a> <a href="https://techhub.social/tags/DigitalTerrainModel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalTerrainModel</span></a> <a href="https://techhub.social/tags/landform" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>landform</span></a></p>
Doug Bostrom<p>"Oops" appears to apply widely. </p><p>These are not small errors (says Capt. Obvious). Used to drive physics of various applications, surely a signficant source of inaccuracy?</p><p>"Application to real-world landscapes in California, reveal the systematic underestimation of surface area by up to a third, and mean slope angles by up to 10° in steep topography in current DTMs."</p><p><a href="https://scicomm.xyz/tags/DTM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DTM</span></a> <br><a href="https://scicomm.xyz/tags/DigitalTerrainModel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalTerrainModel</span></a></p><p><a href="https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024GL109517?af=R" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">agupubs.onlinelibrary.wiley.co</span><span class="invisible">m/doi/10.1029/2024GL109517?af=R</span></a></p>
TrendingLive feeds
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.
Create accountLoginDrag & drop to upload