Antarctica hikes up sea level
13 June 2018
In a major collaborative effort, scientists from around the world have used information from satellites to reveal that ice melting in Antarctica has not only raised sea levels by 7.6 mm since 1992, but, critically, almost half of this rise has occurred in the last five years.
Andrew Shepherd from the University of Leeds in the UK and Erik Ivins from NASA's Jet Propulsion Laboratory led a group of 84 scientists from 44 international organisations in research that has resulted in the most complete picture to date of how Antarctica's ice sheet is changing.
Their research, published in Nature, reveals that prior to 2012, when the last such study was carried out, Antarctica was losing 76 billion tonnes of ice a year. This was causing sea levels to rise at a rate of 0.2 mm a year.
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