US EditionAntarctica’s glaciers are melting from beneath, speeding sea-level rise
- Glaciers in East Antarctica, specifically Denman and Scott glaciers, could lose ice faster than anticipated due to a feedback loop. Meltwater discharge triggers increased ice loss and sea-level rise as the planet warms.
- The accelerated rate of planet-warming fossil fuel burning can cause the glaciers to retreat past a critical threshold 25 years earlier than projected, resulting in a sea-level rise of nearly 5 feet. The increased sea-level rise from these glaciers alone could be around 16% by 2300.
- The findings emphasize the need to address subglacial melt and discharge in climate models to understand Antarctica's contribution to future sea-level rise. The melting southern continent poses an extreme risk of life-altering sea-level rise worldwide.
11 Articles
11 Articles
Hidden feedback loop under Antarctica’s glaciers could accelerate sea level rise, scientists find
The findings come less than a week after scientists reported rapid melting of West Antarctica’s ice shelves may now be unavoidable, thanks to human-caused global warming.
Subglacial meltwater flowing beneath Antarctic glaciers could accelerate retreat, study finds
Researchers have found that subglacial discharge, or meltwater flowing out to sea from beneath Antarctic glaciers, could be causing glaciers to lose ice at a faster rate. This discharge raises the glaciers' contribution to sea-level rise by 15.7% by the year 2300. Current models do not take into account this mechanism, which suggests that current projections underestimate global sea-level rise. The study highlights the importance of reducing gre…
A hidden feedback loop under Antarctica’s glaciers could accelerate sea level rise, scientists find
(CNN) — Glaciers in East Antarctica could lose ice faster in the future than previously thought, scientists reported Friday, in an alarming feedback loop where glacier meltwater is triggering even
Antarctica’s glaciers are melting from beneath, speeding sea-level rise
Hidden rivers of meltwater are decaying Antarctica’s glaciers from beneath, a new study has found — meaning sea levels are likely rising faster than scientists had feared. The faster melting rates are also changing the balance of freshwater and saltwater in the oceans, affecting both ocean circulation and global weather in unknown ways, according to findings published Friday in…
A hidden feedback loop under Antarctica’s glaciers could accelerate sea level rise, scientists find
By Rachel Ramirez, CNN (CNN) — Glaciers in East Antarctica could lose ice faster in the future than previously thought, scientists reported Friday, in an alarming feedback loop where glacier meltwater is triggering even more ice loss and sea level rise as the planet warms. The findings come less than a week after scientists reported rapid melting of West Antarctica’s ice shelves may now be unavoidable, thanks to human-caused global warming. Toge…
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