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ARMAGEDON STIŽE RANIJE NEGO SE MISLILO? Antarktika gubi 160 milijardi tona godišnje, duplo više nego prije

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Objavljeno: 19. svibnja 2014. 23:25
In this image obtained from NASA, a close-up image of the crack spreading across the ice shelf of Pine Island Glacier shows on October 26, 2011, the details of the boulder-like blocks of ice that fell into the rift when it split. The massive crack is growing wider in the Antarctic ice sheet and could break apart in the coming months, forming an iceberg the size of New york City, NASA scientists warned on Novermber 3, 2011. The crack in western Antarctica's Pine Island Glacier stretches for at least 18 miles (30 kilometers) and runs 165 feet (50 meters) deep. The rift is widening at a rate of 6.5 feet (two meters) per day, said NASA project scientist Michael Studinger. = RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT
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In this image obtained from NASA, a close-up image of the crack spreading across the ice shelf of Pine Island Glacier shows on October 26, 2011, the details of the boulder-like blocks of ice that fell into the rift when it split. The massive crack is growing wider in the Antarctic ice sheet and could break apart in the coming months, forming an iceberg the size of New york City, NASA scientists warned on Novermber 3, 2011. The crack in western Antarctica's Pine Island Glacier stretches for at least 18 miles (30 kilometers) and runs 165 feet (50 meters) deep. The rift is widening at a rate of 6.5 feet (two meters) per day, said NASA project scientist Michael Studinger. = RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NASA/DMS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS =
 AFP

Antarktika sada gubi oko 160 milijarda tona leda godišnje što je dvostruko više nego prije, pokazalo je znanstveno istraživanje koje prenosi BBC.

Analiza podataka koje je prikupila svemirska sonda Cryosat opremljena radarskim instrumentima za mjerenje izgleda ledenog pokrova bijelog kontinenta pokazuje kako je količina leda koja se otapa proteklih nekoliko godina dovoljna da razina mora u svijetu poraste za oko 0,43 milimetra godišnje.

Rezultati su objavljeni u časopisu Geophysical Research Letters.

Novo istraživanje uključilo je podatke prikupljene trogodišnjim mjerenjima od 2010. do 2013. i podatke drugih satelita od 2005. do 2010.

Cryosat prati promjene u visini ledenog pokrova koje su rezultat snježnih padalina odnosno otapanja leda.

Sve tri regije Antarktike gube led a prosje...

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