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MIL-Evening Report: Why artificial submarine curtains won t save West Antarctica s retreating glaciers

MIL-Evening Report: Why artificial submarine curtains won t save West Antarctica s retreating glaciers
foreignaffairs.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from foreignaffairs.co.nz Daily Mail and Mail on Sunday newspapers.

Why Artificial Submarine Curtains Won t Save West Antarctica s Retreating Glaciers

Why Artificial Submarine Curtains Won t Save West Antarctica s Retreating Glaciers
menafn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from menafn.com Daily Mail and Mail on Sunday newspapers.

Significant glacial retreat in West Antarctica began in 1940s - British Antarctic Survey

Significant glacial retreat in West Antarctica began in 1940s - British Antarctic Survey
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West Antarctica s Major Glacial Retreat Began in 1940s

West Antarctica s Major Glacial Retreat Began in 1940s
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Progressive unanchoring of Antarctic ice shelves since 1973

Mass loss of the Antarctic Ice Sheet has been driven primarily by the thinning of the floating ice shelves that fringe the ice sheet1, reducing their buttressing potential and causing land ice to accelerate into the ocean2. Observations of ice-shelf thickness change by satellite altimetry stretch back only to 1992 (refs. 1,3–5) and previous information about thinning remains unquantified. However, extending the record of ice-shelf thickness change is possible by proxy, by measuring the change in area of the surface expression of pinning points—local bathymetric highs on which ice shelves are anchored6. Here we measure pinning-point change over three epochs spanning the periods 1973–1989, 1989–2000 and 2000−2022, and thus by proxy infer changes to ice-shelf thickness back to 1973–1989. We show that only small localized pockets of ice shelves were thinning between 1973 and 1989, located primarily in the Amundsen Sea Embayment and the Wil

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