Thermal Convection Reveals Swirling Structures Deep Within Greenland’s Ice Sheet
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#greenland #icesheet #thermalconvection
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#icesheet
Latest posts tagged with #icesheet on Bluesky
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The peninsula extends from West Antarctica towards South America. USGS / wiki, CC BY-SA
[8/8] Si le réchauffement atteint 2°C ou 3°C, pluies et fonte s’intensifieront, avec des impacts durables sur glaciers, biodiversité et activités humaines. Limiter le réchauffement sous 1,5°C pourrait ralentir cette transformation rapide du continent gelé. #geography #IceSheet #Antarctica
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A new study has analysed the tipping behaviour of the Antarctic ice sheet, breaking it down to 18 specific drainage basins. This uncovers the individual stability and likely melting behaviour as global temperatures rise.
www.nature.com/articles/s41...
#Antarctica #glaciers #icesheet #tippingpoint
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Join me at the @igsoc.bsky.social Global Seminar ❄️ on Feb 18 (20:00 UTC). I'll be talking about basal sliding laws, flow laws, and how their non-dimensionalization simplifies #Glacier and #IceSheet #Modelling. 📉🧊
👉 Details: www.igsoc.org/event/igs-gl...
👉 Paper: doi.org/10.1017/jog....
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A new study analysed dust collected from the Greenland Ice sheet and found minerals essential to algal growth.
pubs.acs.org/doi/10.1021/...
#Greenland #icesheet #albedo #aerosols #minerals #phosphorus #dust #sealevelrise
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Large-scale melting of the Greenland Ice Sheet is irreversible and happening at a rapid rate, and now a new international study is the first to understand why. uwaterloo.ca/news/media/m... #FossilFuels #ClimateCollapse #Algae #IceSheet #Greenland
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In this article, I look at the recent climate research on the instability of Greenland. That its melting is no surprise, but some of the extremes are frightening. For three consecutive days last year over 80% of the surface was melting.
#icesheet #melting #sealevelrise
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❄️ How did the British–Irish Ice Sheet retreat after the Last Glacial Maximum?
Dr Alex Clark (@royalholloway.bsky.social) reveals new evidence for rapid, unstable ice-sheet retreat.
📅 22 Jan 2026 | 🕐 1–2 pm
#UCLGeography #Palaeoclimate #Glaciology #IceSheet #ClimateHistory #UCLResearch
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Fresh release! 🧊 #SICOPOLIS v25.12 is out now.
What's new? ✅ Hosted on GitHub ✅ Dimensionless rate factors and sliding coefficients ✅ Several other changes...
See the GitHub release notes for more details: 👉 github.com/sicopolis/si...
#IceSheet #Model #Modelling
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This is an exponential rise but this flow is mostly lubricating and reflecting the breach of giant #icesheet off the land.
Mountain glacial volume is decreasing but snow pack increase anywhere offsets that, and they cannot shrink beyond zero.
#Totten, #Thwaites & #Greenland ice sheets however 1/2
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this new pub by @khorikawa.bsky.social er al. features a high resolution record of the #WAIS during
#MPWP, and another by @passchier.bsky.social et al. illuminates the early #Pliocene climate shifts and #icesheet change scienmag.com/early-plioce...
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Amazing experience of #AntarcticScience #collaboration led by @khorikawa.bsky.social #UniversityofToyama 富山大学, with #icesheet modeling by Ruthie Halberstadt @utexasresearch.bsky.social
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Antarctic and Greenland icesheet mass losses between 2002 and 2025. Credit: NASA&JPL/Caltech
Antarctic and Greenland Ice Sheet Mass Losses
Average Mass Loss 2002–2025 (Still Image):
• Antarctica -135 Gigatons ice/year.
• Greenland -264 Gigatons ice/year.
#Antarctic #Greenland #IceSheet
NASA&JPL/Caltech
LEARN MORE: svs.gsfc.nasa.gov/31166/
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Antarctic and Greenland Ice Sheet Mass Losses
Average Mass Loss 2002–2025:
• Antarctica -135 Gigatons ice/year, global sea level rise 0.4mm/yr.
• Greenland -264 Gigatons ice/year, global sea level rise 0.8mm/yr.
#Antarctic #Greenland #IceSheet
NASA&JPL/Caltech
LEARN MORE: svs.gsfc.nasa.gov/31166/
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3/ But a sentence from the abstract was reframed by climate skeptics. #IceSHELF became #iceSHEET. One line became a talking point. It is one of the case stories in the book Social Media for Research Impact (@routledgebooks.bsky.social, Jan 2026) which I wrote with @bogers.bsky.social .
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Sloppy, Slimy SNAP
buymeacoffee.com/TheHypocrite
Issue 343
November 5, 2025
#pedonaldtrump #epsteinfiles #snapbenefits #shutdown #healthcare #republicans #nyc #mamdani #cuomo #airspace #trafficcontrollers #climatechange #penguins #globalwarming #antarctica #icesheet #bigoil #fossilfuels
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Hektoria Glacier on the Antarctic Peninsula retreated 8 km in two months – its fastest collapse on #record, Nature Geoscience #study finds. Researchers warn similar glaciers could accelerate sea level rise.
#Antarctica #Cryosphere #IceSheet
DOI: doi.org/10.1038/s415...
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We’re attending the IGS Nordic Branch Meeting 2025 in Copenhagen, at GEUS. Great to meet colleagues, hear exciting talks, and spark new discussions on ice, climate and modelling ❄️🧊📊
#Cryosphere #Glaciology #ClimateScience #IceSheet #PolarResearch #NordicScience #IGS2025
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Really no lack of exciting postdocs these days. This one at AWI in #icesheet modelling within our project P2F jobs.awi.de/Vacancies/20...
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A 3-D visualisation of selected traced and dated isochrones in East and West Antarctica and locations where different modelling applications have been conducted. Panel (a) shows 2.5, 4.7, 6.9 and 16.5 ka isochrones (greyscale lines) across the Pine Island–Thwaites Glacier catchment area (Bodart et al., 2021). Panel (b) shows 2.5, 4.7 and 6.9 ka isochrones spanning Institute Ice Stream (Ashmore et al., 2020). (c) Map of Antarctic traced and dated isochrone transects (black lines) and areas where at least one modelling study is available (grey boxes); red boxes denote areas of the 3-D visualisations. (d) Traced and dated (38, 48, 74 and 90 ka) isochronal structure around Dome C from Winter et al. (2019a) and (e) 19 isochrones (10–366 ka) from Cavitte et al. (2021).
[8/8] En révélant l’histoire intime des glaces antarctiques, cette étude souligne leur rôle central dans l’équilibre climatique mondial. Comprendre leur passé, c’est mieux anticiper l’avenir de la planète. #geography #icesheet #Antarctica
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Schematic illustration of radiostratigraphic observations within an ice sheet and their scientific applications d) Using isochrones to calculate basal melting across Subglacial Lake Vostok (after Siegert et al., 2001).
[7/8] Cette approche aide à prédire comment la calotte réagira au changement climatique. Elle montre que même des variations modestes de température peuvent modifier la circulation interne de la glace et accélérer la fonte des marges côtières. #geography #icesheet #Antarctica
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[6/8] À l’inverse, l’Antarctique de l’Est apparaît plus ancien et plus stable. Sa glace profonde renferme des traces d’atmosphères vieilles de plus d’un million d’années, offrant une mémoire unique sur l’évolution du climat terrestre. #geography #icesheet #Antarctica
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[5/8] Les résultats confirment que certaines régions, comme l’Antarctique de l’Ouest, sont beaucoup plus sensibles au réchauffement. Leur fonte pourrait accélérer la hausse du niveau marin mondial si la température continue d’augmenter. #geography #icesheet #Antarctica
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[4/8] En reliant les données glaciaires issues de tout le continent, les chercheurs identifient les zones où la glace fond par en dessous et celles où elle s’accumule. Ces contrastes révèlent la complexité du bilan de masse antarctique. #geography #icesheet #Antarctica
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[3/8] L’étude montre que la calotte antarctique n’est pas stable. Elle s’est étendue et rétractée plusieurs fois, suivant les cycles climatiques. Ces mouvements expliquent les variations du niveau des mers, parfois supérieures à 20 mètres au cours du Quaternaire. #geography #icesheet #Antarctica
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[2/8] Ces couches de glace s’empilent comme les pages d’un livre. Chaque niveau garde la trace d’un âge, d’une température et d’une composition atmosphérique. En les étudiant, les scientifiques retracent les périodes de réchauffement et de refroidissement du passé. #geography #icesheet #Antarctica
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Sea-level rise at the end of the last deglaciation dominated by North American ice sheets
->Nature | #SeaLevelRise #IceSheet #ClimateChange #Ocean | More from Lil' Dr Glen at BigEarthData.ai
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Two new studies in Antarctica provide new melting drivers not properly included in climate models or sea level rise predictions. One on the vast East Antarctic interior and one on the massive ice shelves.
#Antarctica #sealevelrise #climatemodels #iceshelf #icesheet
substack.com/profile/3195...
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