Yahoo News Huge iceberg four times the size of Manhattan breaks off Antarctic glacier
A glacier in Antarctica has calved a vast iceberg measuring more than 100 square miles – and it’s the second huge berg in two years.
Pine Island is one of the largest glaciers in Antarctica, which has seen major ice loss in recent years.
.@NASAEarth 's MODIS satellite gives an overview of #PIG's glacier front location since 2009 + corresponding 3 major calving locations 7/n pic.twitter.com/miP1RAUCBF
— Stef Lhermitte (@StefLhermitte) September 24, 2017
Jeong et al https://t.co/AvjnfahbGx give an overview of the previous events, the exceptional internal rifts and calving front migration 5/n pic.twitter.com/rjLLDVtKFl
— Stef Lhermitte (@StefLhermitte) September 23, 2017
Scientist Peter Neff said on Twitter that the calving was a, ‘Major event, not unprecedented, but this glacier is concerning for future sea level rise.’
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Other scientists have suggested that the two recent major calving events (in 2015 and 2017) could offer evidence that something is changing.
More than half of the world’s fresh water is frozen in Antarctica.
Studies have suggested that the West Antarctic Ice Sheet is particularly unstable, and could collapse within the next 100 years.
