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💧🌏 Greg Cocks<p>As A USGS Employee Working In Spatial Data: hehehehehehehehe<br>--<br><a href="https://xkcd.com/2920/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">xkcd.com/2920/</span><span class="invisible"></span></a> &lt;-- link to XKCD cartoon<br>--<br>"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."<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/humour" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>humour</span></a> <a href="https://techhub.social/tags/humor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>humor</span></a> <a href="https://techhub.social/tags/datums" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>datums</span></a> <a href="https://techhub.social/tags/coordinatesystems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>coordinatesystems</span></a> <a href="https://techhub.social/tags/NAD83" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NAD83</span></a> <a href="https://techhub.social/tags/NAVD88" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NAVD88</span></a> <a href="https://techhub.social/tags/mappymeme" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mappymeme</span></a> <a href="https://techhub.social/tags/survey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>survey</span></a> <a href="https://techhub.social/tags/USGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>USGS</span></a> <a href="https://techhub.social/tags/NGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NGS</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/surveymarker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>surveymarker</span></a> <a href="https://techhub.social/tags/NorthAmerica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NorthAmerica</span></a> <a href="https://techhub.social/tags/geodetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geodetic</span></a> <a href="https://techhub.social/tags/geodesy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geodesy</span></a><br>@XKCD</p>
💧🌏 Greg Cocks<p>Genesis - A Flying Observatory To Measure Earth Down To The Millimetre [earth observation satellite]<br>--<br><a href="https://www.esa.int/Applications/Satellite_navigation/Genesis" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">esa.int/Applications/Satellite</span><span class="invisible">_navigation/Genesis</span></a> &lt;-- Genesis home page<br>--<br><a href="https://doi.org/10.1186/s40623-022-01752-w" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1186/s40623-022-017</span><span class="invisible">52-w</span></a> &lt;-- white 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/GNSS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GNSS</span></a> <a href="https://techhub.social/tags/earthobservation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earthobservation</span></a> <a href="https://techhub.social/tags/satellite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>satellite</span></a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>remotesensing</span></a> <a href="https://techhub.social/tags/precision" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>precision</span></a> <a href="https://techhub.social/tags/accuracy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>accuracy</span></a> <a href="https://techhub.social/tags/genesis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genesis</span></a> <a href="https://techhub.social/tags/millimetre" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>millimetre</span></a> <a href="https://techhub.social/tags/earthobservatory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earthobservatory</span></a> <a href="https://techhub.social/tags/geodetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geodetic</span></a> <a href="https://techhub.social/tags/InternationalTerrestrialReferenceFrame" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>InternationalTerrestrialReferenceFrame</span></a> <a href="https://techhub.social/tags/ITRF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ITRF</span></a> <a href="https://techhub.social/tags/planning" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planning</span></a> <a href="https://techhub.social/tags/spacecraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spacecraft</span></a> <a href="https://techhub.social/tags/Galileo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Galileo</span></a> <a href="https://techhub.social/tags/GPS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GPS</span></a> <a href="https://techhub.social/tags/usecase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>usecase</span></a> <a href="https://techhub.social/tags/appliedscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>appliedscience</span></a> <a href="https://techhub.social/tags/infrastructure" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>infrastructure</span></a> <a href="https://techhub.social/tags/positioning" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>positioning</span></a> <a href="https://techhub.social/tags/navigation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>navigation</span></a> <a href="https://techhub.social/tags/earthscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earthscience</span></a> <a href="https://techhub.social/tags/satnav" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>satnav</span></a> <a href="https://techhub.social/tags/referencesystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>referencesystem</span></a> <a href="https://techhub.social/tags/geoid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geoid</span></a> <a href="https://techhub.social/tags/coordinatesystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>coordinatesystem</span></a><br>@ESA</p>
💧🌏 Greg Cocks<p>Shallow Slow Slip Events Identified Offshore The Osa Peninsula In Southern Costa Rica From GNSS Time Series [geologic faults / tectonics]<br>--<br><a href="https://doi.org/10.1029/2023GL104771" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1029/2023GL104771</span><span class="invisible"></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/GPS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GPS</span></a> <a href="https://techhub.social/tags/survey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>survey</span></a> <a href="https://techhub.social/tags/GNSS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GNSS</span></a> <a href="https://techhub.social/tags/costarica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>costarica</span></a> <a href="https://techhub.social/tags/earthquake" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earthquake</span></a> <a href="https://techhub.social/tags/faults" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>faults</span></a> <a href="https://techhub.social/tags/faulting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>faulting</span></a> <a href="https://techhub.social/tags/tectonics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tectonics</span></a> <a href="https://techhub.social/tags/shallowslowslipevent" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shallowslowslipevent</span></a> <a href="https://techhub.social/tags/SSE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SSE</span></a> <a href="https://techhub.social/tags/shallowslowslip" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shallowslowslip</span></a> <a href="https://techhub.social/tags/slowslip" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>slowslip</span></a> <a href="https://techhub.social/tags/geodetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geodetic</span></a> <a href="https://techhub.social/tags/spatialanalysis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spatialanalysis</span></a> <a href="https://techhub.social/tags/spatiotemporal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spatiotemporal</span></a> <a href="https://techhub.social/tags/osa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>osa</span></a> <a href="https://techhub.social/tags/OsaPeninsula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OsaPeninsula</span></a> <a href="https://techhub.social/tags/station" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>station</span></a> <a href="https://techhub.social/tags/platetectonics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>platetectonics</span></a> <a href="https://techhub.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geology</span></a> <a href="https://techhub.social/tags/megathrust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>megathrust</span></a> <a href="https://techhub.social/tags/MiddleAmericanTrench" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MiddleAmericanTrench</span></a> <a href="https://techhub.social/tags/centralamerica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>centralamerica</span></a> <a href="https://techhub.social/tags/platemotion" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>platemotion</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></p>
Tor Lillqvist<p><span class="h-card"><a href="https://gruene.social/@jon" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>jon</span></a></span> I have only passed through a couple of times, never spent any longer time there. The weather is nice, yes. Walked along the river and admired the bridge in the early morning the 3rd when I was going the other direction. Didn’t see the Lenin plaque but saw a couple of info posters about the <a href="https://urbanists.social/tags/Struve" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Struve</span></a> <a href="https://urbanists.social/tags/geodetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geodetic</span></a> arch from 1816–1855. Which was interesting in a nerdy way.</p><p>Oh, and <a href="https://urbanists.social/tags/Tornio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tornio</span></a> has a bar called “Little Berlin”. Will have to visit that. I expect disappointment, though…</p>
Blank FrankDISK<br> Geodetic Survey of Canada disk.<br> N 49° 05.043 W 125° 50.478<br> 10U E 292542 N 5440688<br> Top of Radar Hill Tofino<br> <a href="https://gram.social/discover/tags/Tofino?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Tofino</a> <a href="https://gram.social/discover/tags/Canada?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Canada</a> <a href="https://gram.social/discover/tags/Geodetic?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Geodetic</a> <a href="https://gram.social/discover/tags/Surveying?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Surveying</a>
💧🌏 Greg Cocks<p>Rampant Groundwater Pumping Has Changed the Tilt of Earth’s Axis<br>--<br><a href="https://www.scientificamerican.com/article/rampant-groundwater-pumping-has-changed-the-tilt-of-earths-axis/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">scientificamerican.com/article</span><span class="invisible">/rampant-groundwater-pumping-has-changed-the-tilt-of-earths-axis/</span></a> &lt;-- shared technical article<br>--<br><a href="https://doi.org/10.1029/2023GL103509" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1029/2023GL103509</span><span class="invisible"></span></a> &lt;-- shared paper<br>--<br>“ • Earth's pole has drifted toward 64.16°E at a speed of 4.36 cm/yr during 1993–2010 due to groundwater depletion and resulting sea level rise</p><p> • Including groundwater depletion effects, the estimated drift of Earth's rotational pole agrees remarkably well with observations…”<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/geodetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geodetic</span></a> <a href="https://techhub.social/tags/geodesy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geodesy</span></a> <a href="https://techhub.social/tags/earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earth</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/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a> <a href="https://techhub.social/tags/earthaxis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earthaxis</span></a> <a href="https://techhub.social/tags/axis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>axis</span></a> <a href="https://techhub.social/tags/pole" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pole</span></a> <a href="https://techhub.social/tags/gravity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gravity</span></a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>remotesensing</span></a> <a href="https://techhub.social/tags/groundwater" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>groundwater</span></a> <a href="https://techhub.social/tags/pumping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pumping</span></a> <a href="https://techhub.social/tags/global" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>global</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/watersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>watersecurity</span></a> <a href="https://techhub.social/tags/watersupply" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>watersupply</span></a> <a href="https://techhub.social/tags/sealevelrise" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sealevelrise</span></a> <a href="https://techhub.social/tags/subsidence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>subsidence</span></a> <a href="https://techhub.social/tags/earthobservation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earthobservation</span></a> <a href="https://techhub.social/tags/aquifer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>aquifer</span></a></p>