A new study using 3D maps reveals that crevasses in the Greenland ice sheet are widening and deepening faster than previously thought, raising concerns about accelerated sea-level rise. The research, published in Nature Geoscience, shows significant changes in crevasse size and depth at the edges of the ice sheet between 2016 and 2021. Scientists warn that continued melting of the Greenland ice sheet could contribute to a global sea level rise of up to seven meters.
The Greenland ice sheet – the world’s second largest body of ice – is cracking open quicker than previously, a new study has warned.
Study lead author Dr Tom Chudley, of Durham University’s Geography Department, said: “In a warming world, we would expect to see more crevasses forming. This is because glaciers are accelerating in response to warmer ocean temperatures, and because meltwater filling crevasses can force fractures deeper into the ice.
Countless studies have linked warming ocean temperatures to human-cased global warming. According to NASA, 90 per cent of global warming is occurring in the ocean, with research pointing at human activities being responsible for about 70 per cent of rising sea levels since 1970.
GREENLAND ICESHEET CLIMATE CHANGE SEA LEVEL RISE CREVASSES GLOBAL WARMING
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