Doug Bostrom<p>"ETOPO 2022 is an updated topographic–bathymetric dataset at 15 arcsec global resolution that incorporates bare-Earth datasets with forests and buildings removed. ETOPO 2022 integrates more than a dozen source datasets for land topography, sea bathymetry, lake bathymetry, and ice-sheet bed elevation data, all of which have been carefully evaluated for quality, accuracy, and seamless integration."</p><p>Quality controlled with nearly a trillion <a href="https://scicomm.xyz/tags/ICESat2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ICESat2</span></a> <a href="https://scicomm.xyz/tags/LIDAR" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LIDAR</span></a> shots.</p><p>Did some successful microwave keyhole shots back in the day, using <a href="https://scicomm.xyz/tags/SRTM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SRTM</span></a> data. This would have been even better.</p><p><a href="https://scicomm.xyz/tags/DigitalElevationModel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalElevationModel</span></a><br><a href="https://scicomm.xyz/tags/DEM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DEM</span></a></p><p><a href="https://essd.copernicus.org/articles/17/1835/2025/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">essd.copernicus.org/articles/1</span><span class="invisible">7/1835/2025/</span></a></p>