“Sea level rise due to Antarctic ice melt has ‘tripled over past five years”. Is the title of the article published in the online magazine Eco-Business on June 15, 2018, discusses an important study, published in the Nature magazine of June 13,2018.
According to the article ice loss from Antarctica has caused sea levels to rise by 7.6mm from 1992-2017, with two fifths of this increase occurring since 2012, thus defining Antarctica one of the largest responsible for sea level rise. The research, which was carried out by a team of scientists from the Ice Sheet Mass Balance Inter-comparison Exercise (IMBIE), combines data on ice cover and weight taken from a range of satellites, including NASA’s Gravity Recovery and Climate Experiment (GRACE) mission and the European Space Agency’s CryoSat mission. The team used models to adjust the data to take into account physical processes that might have influenced sea level changes—such as how the ground beneath ice sheets responds to shrinking ice cover. The resulting data reveals a “clear signal” showing an acceleration in the rate of Antarctic ice sheet melt, enough to cause about 0.6mm of sea level rise per year.
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