A study reveals that the Greenland ice sheet is cracking at an unprecedented rate, with researchers utilizing high-resolution satellite imagery to track the growth of surface crevasses from 2016 to 2021. Findings indicate that these impeding cracks appear deeper and longer than previously recorded, advancing much quicker than in past studies. The increase in crevasses correlates with accelerated melting and heightened ice flow caused by rising temperatures in both air and ocean. As a result, projections suggest considerable potential sea level rise by 2100 and 2300, highlighting urgent needs for better forecasting tools to prepare for coastal impacts.
Since 1992, Greenland has experienced about 14mm of sea level rise due to increased melting of ice and accelerated flow in response to climate change.
We are confident that crevasses opening are related to the speed-up of the ice sheet... We understand this to be related to ocean warming.
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