Researchers from Brown University conducted 4,000 computer simulations to examine how ice sheet loss influences Antarctica's buried volcanoes.
Antarctica is not just a passive, icy landscape, but a geologically active region with a complex network of volcanoes — many of which remain hidden beneath the ice.
“The West Antarctic Ice Sheet is particularly vulnerable to collapse, yet its position atop an active volcanic rift is seldom considered,” the study noted. Mount Erebus is one of the known active volcanoes in Antarctica with a persistent lava lake. Besides the more visible ones, Antarctica hosts at least 100 other volcanoes, reported
The study shows that the removal of the heavy ice sheet can majorly impact the behavior of underlying volcanoes. Moreover, the gradual ice melt may have the potential to increase both the frequency and the intensity of subglacial eruptions. Similarly, the reduction in pressure from ice sheet melting allows the gases dissolved within the magma to expand, increasing the overall pressure within the chamber and potentially triggering an eruption.For this, the models need to consider the complex two-way relationship between subglacial volcanoes and ice sheet melting.
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