Warn­ing over sta­bil­ity of mas­sive ice sheet

The Peterborough Evening Telegraph - - Uk&world Update -

A mas­sive ice sheet ly­ing in the Antarc­tic could be more un­sta­ble than sci­en­tists first thought and might start shrink­ing, ac­cord­ing to new re­search. Sci­en­tists have dis­cov­ered a basin the size of Wales close to the edge of the West Antarc­tic Ice Sheet which could im­pact on how it moves. The sub-glacial basin - nearly 1.2 miles (2km) deep in some places - was un­cov­ered dur­ing radar map­ping of the ice-cov­ered land­scape at the Wed­dell Sea. The basin mea­sures 62 miles (100km) by 124 miles (200km) and sug­gests the area is “on the thresh­old of change”, the project leader said.

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