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#delineation

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💧🌏 Greg Cocks<p>The Rivers That Science Says Shouldn't Exist<br>--<br><a href="https://phys.org/news/2025-04-rivers-science-shouldnt.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-04-rivers-s</span><span class="invisible">cience-shouldnt.html</span></a> &lt;-- shared technical article<br>--<br><a href="https://doi.org/10.1029/2024WR039824" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1029/2024WR039824</span><span class="invisible"></span></a> &lt;-- shared paper<br>--<br><a href="https://techhub.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> <a href="https://techhub.social/tags/hydrology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hydrology</span></a> <a href="https://techhub.social/tags/network" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>network</span></a> <a href="https://techhub.social/tags/river" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>river</span></a> <a href="https://techhub.social/tags/bifurcation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bifurcation</span></a> <a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GIS</span></a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spatial</span></a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mapping</span></a> <a href="https://techhub.social/tags/divergence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>divergence</span></a> <a href="https://techhub.social/tags/Casiquiare" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Casiquiare</span></a> <a href="https://techhub.social/tags/Orinoco" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Orinoco</span></a> <a href="https://techhub.social/tags/Amazon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Amazon</span></a> <a href="https://techhub.social/tags/distributary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>distributary</span></a> <a href="https://techhub.social/tags/tributary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tributary</span></a> <a href="https://techhub.social/tags/Wayambo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Wayambo</span></a> <a href="https://techhub.social/tags/Suriname" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Suriname</span></a> <a href="https://techhub.social/tags/Echimamish" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Echimamish</span></a> <a href="https://techhub.social/tags/Canada" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Canada</span></a> <a href="https://techhub.social/tags/watershed" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>watershed</span></a> <a href="https://techhub.social/tags/delineation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>delineation</span></a> <a href="https://techhub.social/tags/morphology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>morphology</span></a> <a href="https://techhub.social/tags/geomorphometry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geomorphometry</span></a> <a href="https://techhub.social/tags/ecology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ecology</span></a> <a href="https://techhub.social/tags/management" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>management</span></a> <a href="https://techhub.social/tags/waterresources" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>waterresources</span></a> <a href="https://techhub.social/tags/model" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>model</span></a> <a href="https://techhub.social/tags/modeling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>modeling</span></a> <a href="https://techhub.social/tags/bidirectional" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bidirectional</span></a> <a href="https://techhub.social/tags/flow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>flow</span></a> <a href="https://techhub.social/tags/geophysical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geophysical</span></a></p>
💧🌏 Greg Cocks<p>Avoid Backtracking And Burn Your Inputs - CONUS-Scale Watershed Delineation Using OpenMP<br>--<br><a href="https://doi.org/10.1016/j.envsoft.2024.106244" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1016/j.envsoft.2024</span><span class="invisible">.106244</span></a> &lt;-- shared paper<br>--<br>“HIGHLIGHTS<br> • A memory-efficient watershed delineation algorithm was introduced.<br> • The new algorithm uses a node-skipping depth-first search to save memory.<br> • Both input and output data are stored in a shared matrix to reduce required memory.<br> • It performed 95% faster than its CPU benchmark algorithm using 33% less memory.<br> • It can solve 50% larger problems than what the CPU benchmark algorithm can handle..."<br><a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GIS</span></a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spatial</span></a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mapping</span></a> <a href="https://techhub.social/tags/hydrology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hydrology</span></a> <a href="https://techhub.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> <a href="https://techhub.social/tags/code" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>code</span></a> <a href="https://techhub.social/tags/algorithm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>algorithm</span></a> <a href="https://techhub.social/tags/watershed" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>watershed</span></a> <a href="https://techhub.social/tags/delineation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>delineation</span></a> <a href="https://techhub.social/tags/OpenMP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenMP</span></a> <a href="https://techhub.social/tags/opensource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opensource</span></a> <a href="https://techhub.social/tags/memory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>memory</span></a> <a href="https://techhub.social/tags/efficient" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>efficient</span></a> <a href="https://techhub.social/tags/CPU" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CPU</span></a> <a href="https://techhub.social/tags/benchmark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>benchmark</span></a> <a href="https://techhub.social/tags/MESHED" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MESHED</span></a> <a href="https://techhub.social/tags/model" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>model</span></a> <a href="https://techhub.social/tags/modeling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>modeling</span></a> <a href="https://techhub.social/tags/largescale" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>largescale</span></a> <a href="https://techhub.social/tags/catchments" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>catchments</span></a></p>
💧🌏 Greg Cocks<p>Watershed Delineation On A Hexagonal Mesh Grid<br>--<br><a href="https://doi.org/10.1016/j.envsoft.2020.104702" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1016/j.envsoft.2020</span><span class="invisible">.104702</span></a> &lt;-- shared paper<br>--<br><a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GIS</span></a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spatial</span></a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mapping</span></a> <a href="https://techhub.social/tags/model" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>model</span></a> <a href="https://techhub.social/tags/modeling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>modeling</span></a> <a href="https://techhub.social/tags/Hydrology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hydrology</span></a> <a href="https://techhub.social/tags/Hexagon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hexagon</span></a> <a href="https://techhub.social/tags/WatershedDelineation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WatershedDelineation</span></a> <a href="https://techhub.social/tags/DigitalGlobalGridSystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DigitalGlobalGridSystem</span></a> <a href="https://techhub.social/tags/DGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DGS</span></a> <a href="https://techhub.social/tags/watershed" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>watershed</span></a> <a href="https://techhub.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> <a href="https://techhub.social/tags/delineation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>delineation</span></a> <a href="https://techhub.social/tags/scaling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scaling</span></a> <a href="https://techhub.social/tags/discretization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discretization</span></a> <a href="https://techhub.social/tags/discretisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discretisation</span></a> <a href="https://techhub.social/tags/simulations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>simulations</span></a> <a href="https://techhub.social/tags/numerical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>numerical</span></a> <a href="https://techhub.social/tags/adjacency" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>adjacency</span></a> <a href="https://techhub.social/tags/d8" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>d8</span></a> <a href="https://techhub.social/tags/HexWatershed" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HexWatershed</span></a> <a href="https://techhub.social/tags/watersheds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>watersheds</span></a> <a href="https://techhub.social/tags/catchments" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>catchments</span></a> <a href="https://techhub.social/tags/drainageareas" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>drainageareas</span></a></p>