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Subglacial Discharge

All articles tagged with #subglacial discharge

Unveiling the Surprising Link Between Melt Water and Antarctic Glaciers
climate-change2 years ago

Unveiling the Surprising Link Between Melt Water and Antarctic Glaciers

A new study from The Scripps Institution of Oceanography reveals that the impact of "meltwater" flowing out from underneath Antarctic glaciers is causing them to lose ice at a faster rate than previously estimated. This phenomenon, known as "subglacial discharge," is not currently taken into account when predicting sea-level rise. The study suggests that glacier melting could increase sea-level rise by 15% by 2300. The researchers emphasize the importance of accurate sea-level rise projections for the welfare of coastal communities and highlight the need to consider subglacial discharge in modeling future climate scenarios. Ultimately, the study underscores the urgent need to address greenhouse gas emissions as the primary driver of climate change.

Unveiling the Alarming Consequences of Antarctic Glacier Melting
climate-change2 years ago

Unveiling the Alarming Consequences of Antarctic Glacier Melting

A new study from The Scripps Institution of Oceanography reveals that water flowing out from underneath Antarctic glaciers, known as "meltwater," is causing them to lose ice at a faster rate than previously estimated. This impact is not currently taken into account in sea-level rise projections. The study focused on two glaciers in East Antarctica and found that including the influence of "subglacial discharge" significantly increased sea-level rise projections by 15.7% by 2300. The researchers emphasize the importance of accurately modeling these systems and highlight the need to address greenhouse gas emissions as the primary driver of climate change.

Unseen Feedback Loop Speeds Antarctic Glacier Meltdown, Threatening Sea-Level Rise
climate-change2 years ago

Unseen Feedback Loop Speeds Antarctic Glacier Meltdown, Threatening Sea-Level Rise

A study from UC San Diego's Scripps Institution of Oceanography reveals that meltwater flowing beneath Antarctic glaciers, known as subglacial discharge, is accelerating their ice loss and contributing to sea-level rise. The study's simulations show that subglacial discharge increased the sea-level rise contribution of two glaciers in East Antarctica by 15.7% by 2300 under a high emissions scenario. This effect is not currently accounted for in major sea-level rise projections, potentially underestimating the pace of global sea-level rise. The study highlights the importance of reducing greenhouse gas emissions to mitigate the impact on coastal communities. Further research is needed to understand the magnitude of subglacial discharge on other Antarctic glaciers.