💧🌏 Greg Cocks<p>New Map Of Landscape Beneath Antarctica Unveiled<br>--<br><a href="https://phys.org/news/2025-03-landscape-beneath-antarctica-unveiled.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-03-landscap</span><span class="invisible">e-beneath-antarctica-unveiled.html</span></a> <-- shared technical article<br>--<br><a href="https://doi.org/10.1038/s41597-025-04672-y" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1038/s41597-025-046</span><span class="invisible">72-y</span></a> <-- shared paper<br>--</p><p><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 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It's niche, but I think it's cool. Today we published an article detailing successes and challenges of coring lake sediments when the lake is buried under a kilometer of ice.
#Antartica
#SALSA
#LakeMercer
#NSF
#USAP
#glacial
#subglacial
#sediments
#geology
https://onlinelibrary.wiley.com/share/author/GKDJPJDWBU7SMD5QVMSK?target=10.1002/lom3.10545
Publication claxon
Led by former student in my lab @raventurelli@twitter.com and other collaborators (on that other site), we find layered lake #sediment! So, what? That's been done before, you say?
Well, this lake was under 1100 m of Antarctic ice and had never been accessed by humans before we cleanly (no #microbial contamination, and no easy feat!) accessed it! These sediments give us an idea of how long #Antarctic #subglacial #lakes exist.
https://beta.nsf.gov/news/first-ever-layered-lake-sediment-sample-extracted
NSF - National Science FoundationFirst-ever layered lake sediment sample extracted from subglacial AntarcticaSince the discovery 50 years ago of subglacial lakes in Antarctica — some of the least accessible geological features on Earth — scientists have attempted to…
Love #science? In central #Florida? The #SouthernOceanScience group is proud to present several exhibits at @twitter@stpetescifest 2023 - a community celebration of science. Join us Feb 18 at @twitter@USFSP (University of South Florida, Saint Petersburg) to explore activities to bring out the scientist in everyone.
I will be screening #TheLakeAtTheBottomOfTheWorld #documentary about our recent expedition to sample a #subglacial lake under 1100m if ice.
THE LAKE AT THE BOTTOM OF THE WORLDTHE LAKE AT THE BOTTOM OF THE WORLDAn international team of scientists explore a subglacial lake buried 3,600 feet beneath the Antarctic ice to reveal hidden truths about our planet’s dynamic past. As they struggle against the ferocity of the ice and wind, they consider how our relationship with nature – and with one another — will i
Continued thread
8. "What #mineral, produced by #subglacial #eruptions and spread via #aeolian distribution, is a problem for farmers in #Iceland, and why?"
#ChatGPT3 #GPT3 failed this (admittedly difficult) question (the answer is allophane, which binds phosphorus and other minerals, water, and reduces soil cohesion).