Australian Antarctic Program Partnership
@antarctic
5/ That’s where floats can help, bumping their heads on the underside of ice shelves, measuring melt where it happens. Deploying an array of floats around Antarctica's continental shelf would reduce the large uncertainties in estimating future sea level rise. ▶️ theconversation.com/what-our-mis...
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🌊 Antarctica and the sea ice of the Southern Ocean is a beating heart at the centre of our global #climate system. Stay in touch with #Antarctic #science via our quarterly newsle...
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🌊⚠️ "Understanding and predicting marine-terminating glacier instability presents one of the greatest challenges to forecasting future sea level rise" — case of the Hektoria Glaci...
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It's a powerful feedback loop: more ice shelf melting changes salinities which generates more ocean turbulence, which in turn causes more melting — with major implications for ice...
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1/ More than 600km above 🌏, NASA's PACE (standing for Plankton, Aerosol, Cloud, Ecosystem) satellite is in a polar orbit. Covering the globe in about two days, it gathers data on...
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The amount of ice flowing from Thwaites Glacier in West Antarctica has doubled in the span of three decades. These satellite images from 2001 and 2019 show the fracture and retreat...
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Icon on ice: Moves to enhance protection of emperor penguins blocked at annual meeting of Antarctic Treaty nations (@news.abc.net.au @southernsky.bsky.social) ▶️ www.abc.net.au/news/2026-05... Emperors at Auster colony 📸 Jan Wallace
4/ Turns out it's all to do with how the wind interacts with the ocean. The weakening of winds leads to less ocean water being pushed toward the Antarctic coast, which allows warm water that sits below the surface to flow in that direction instead. The ACCESS-OM2-01 model runs from 1958 to 2018.
🧵 BY 2030: "The remaining carbon budget to limit global warming to 1.5°C is virtually exhausted and is equivalent to only four years of current emissions." — @pfriedling.bsky.social and @hausfath.bsky.social on the 2025 Global Carbon Budget in @carbonbrief.org ▶️ www.carbonbrief.org/analysis-fos...
It's a powerful feedback loop: more ice shelf melting changes salinities which generates more ocean turbulence, which in turn causes more melting — with major implications for ice shelf stability and global sea level rise. (arrow shows max melt ratio) Paper in @nature.com Geoscience ▶️ rdcu.be/eQEEg
4/ Emissions cuts? Temperature limits? 🧊 As @iccinet.bsky.social says, we cannot negotiate with the melting point of ice. “Losing sea ice is making climate change up to 15 percent worse than it would otherwise be.” — @edoddridge.bsky.social @utas.edu.au ▶️ aapp.shorthandstories.com/a-world-with...
3/ Ice shelves resist the flow of continental ice to the sea. If warm ocean waters weaken the ice shelves, more ice will reach the ocean and melt, causing sea level to rise. Ocean measurements are critical to determine how much and how fast. ▶️ aapp.shorthandstories.com/opening-the-...
1️⃣ Over the last 30 years, #Antarctica has lost 12,820 square kilometres of grounded ice – larger than the area of Greater Sydney – a new study led by @ucirvine.bsky.social reports. [animation of satellite images from @esa.int shows the evolution of cracks in the Pine Island Glacier during 2019]
The amount of ice flowing from Thwaites Glacier in West Antarctica has doubled in the span of three decades. These satellite images from 2001 and 2019 show the fracture and retreat of the glacier ice tongue floating on the Amundsen Sea, as it's melted from below. 🛰️ NASA
🌊 1/ A robotic float has measured temperature and salinity from parts of the Southern Ocean never sampled before — underneath massive floating Denman and Shackleton ice shelves in East #Antarctica. New in @science.org #ScienceAdvances: www.science.org/doi/10.1126/...
🌊 We work to turn our research @utas.edu.au into real-world impact, to inform decision-making that recognises the centrality of #Antarctica and the Southern Ocean to the global climate system. A special report (best viewed on a large screen or laptop) ▶️ aapp.shorthandstories.com/research-and...
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