#antarcticicesheet — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #antarcticicesheet, aggregated by home.social.
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2-Jul-2026
Mountain formation explains the #AntarcticIceSheet mystery
Scientists have uncovered why #Antarctica became engulfed by ice millions of years before the Arctic. -
Thwaites Glacier won’t collapse like dominoes as feared, study finds, but that doesn’t mean the ‘Doomsday Glacier’ is stable
https://theconversation.com/thwaites-glacier-wont-collapse-like-dominoes-as-feared-study-finds-but-that-doesnt-mean-the-doomsday-glacier-is-stable-236480 via @TheConversationClimate#Antarctica #Ice #SeaLevel #Thwaites #DoomsdayGlacier #AntarcticIceSheet #WAIS 🇦🇶🧊🌊
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And on to that other great unknown: @fsmccormack.bsky.social taking us through geothermal heatflux and it's role in basal melting under the #AntarcticIceSheet at #IGSnorthumbria2024
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Related: one of the things I love about my fellow scientists is their sense of humour. There are 2 ways to reconstruct the bed of the #AntarcticIceSheet; interpolate between those very sparse observations or use an ice flow model that has surface observations in it and invert to work out how the bed is changing the flow field.
Colleagues in Leeds/Sheffield have blended the 2 approaches and they have called it: "Frankenbed". Because why not? 😆
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Extremely happy that my new paper on the future of #AntarcticIceSheet surface melting is finally published! 🎉
We use a new melt module in our ice-flow model #PISM which in addition to temperature also takes into account the effect of solar radiation & thus the melt–albedo feedback. Check it out! #OpenAccess #OpenScience
https://doi.org/10.5194/tc-17-4571-2023 -
In the past couple of months I've seen several reports that suggest that the dramatic reduction of sea ice around Antarctica will accelerate the collapse of the West Antarctic ice sheet, which will melt and slide into the sea, raising sea level by 5 metres. This is probably inevitable even if we hit net zero next week - it's locked in and will happen this century, but possible a lot sooner in the worst case scenario. Who would bet against the worst case scenario, given the current year)? If we immediately start drastically reducing emissions, we might avert the collapse of the East Antarctic ice sheet... if that goes completely, the sea level rise could be 50 metres. Then there's the Greenland ice sheet, which could contribute a few more metres in the mix.
At what point will governments actually start to do something? The UK government is going in the opposite direction!
#climatechange
#antarcticicesheet
#toriesdestroyingtheplanet -
In the past couple of months I've seen several reports that suggest that the dramatic rediction of sea ice around Antarctica will accelerate the collapse of the West Antarctic ice sheet, which will melt and slide into the sea, raising sea level by 5 metres. This is probably inevitable even if we hit net zero next week - it's locked in and will happen this century, but possible a lot sooner in the worst case scenario. Who would bet against the worst case scenario, given the current year)? If we immediately start drastically reducing emissions, we might avert the collapse of the East Antarctic ice sheet... if that goes completely, the sea level rise could be 50 metres. Then there's the Greenland ice sheet, which could contribute a few more metres in the mix.
At what point will governments actually start to do something? The UK government is going in the opposite direction!
#climatechange
#antarcticicesheet
#toriesdestroyingtheplanet -
Great background interview on our new two-part study on the present and future stability of the #AntarcticIceSheet with the two fantastic lead authors Ronja Reese and Emily Hill! Give it a read 👇
The study is open-access and can be found here:
Part 1: https://tc.copernicus.org/articles/17/3739/2023/
Part 2: https://tc.copernicus.org/articles/17/3761/2023/ -
More exciting stuff coming up at #EGU23 @EuroGeosciences today:
“Has the (West) Antarctic Ice Sheet already tipped?”
Don’t miss the talk by @RonjaReese, if you get the chance.
🕓 09:15–09:25 CEST
📍 EGU Room L3 (green)
👉https://meetingorganizer.copernicus.org/EGU23/EGU23-14469.html#AntarcticIceSheet #Antarctica #IceSheets #tippingpoints #climatechange #EGU
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I regret not being able to attend #EGU23 @EuroGeosciences myself this year, but feel free to check out @lenanicola’s poster to see what I’ve been working on lately, among other things:
🕓 Now
📍 Hall X5, poster # 217
👉 https://meetingorganizer.copernicus.org/EGU23/EGU23-6272.htmlw/ @[email protected] @[email protected] @[email protected]
#AntarcticIceSheet #Antarctica #IceSheets #tippingpoints #climate #vEGU23 #EGU
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I’m happy to finally present our new paper “The evolution of future Antarctic surface melt using PISM-dEBM-simple”!
We use the #PISM_model to take a look at how surface melting of the #AntarcticIceSheet changes under future #GlobalWarming.Yes, it is cold in Antarctica. But nonetheless, even at temps below zero, snow and ice at the surface can melt due to the available energy from the sun. This contribution is almost negligible today, but could increase enormously (up to 10-fold) in future.
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@GlacierGuy Exactly. It's related to a phenomenon called #hysteresis, which I try to explain in this @EuroGeosciences blog post (from which the graphics are also taken): https://blogs.egu.eu/divisions/cr/2020/12/04/hysteresis-for-dummies-why-history-matters/
We also published an article in @nature about the hysteresis of the #AntarcticIceSheet: https://www.nature.com/articles/s41586-020-2727-5
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Danish #Greenland ice sheet seminar will be on 5th January, organised by Kirk Scanlan at DTU-Space.
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Hello World! Here's my somewhat belated #introduction.
I'm a #climate researcher and ice sheet modeller at the Potsdam Institute for Climate Impact Research #PIK_Climate in Germany (www.pik-potsdam.de), where I'm currently pursuing my #PhD on the long-term stability behaviour & #TippingPoints of the #AntarcticIceSheet and its implications for future #SeaLevelRise.
I prefer the real world over the virtual one, but use the latter to inform myself (and sometimes others).
