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Tople morske struje TOPE led na Antarktiku: Razina mora narast će BRŽE nego što se mislilo!

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Jutarnji.hr
Objavljeno: 26. travnja 2012. 22:31
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

Nova studija objavljena u srijedu u časopisu Nature otkriva da se antarktički ledeni šelfovi polako tope jer ih od ispod nagriza toplija voda. To upućuje na zaključak da će razina mora narasti brže nego što su mnogi znanstvenici do sada predviđali.

Šelfovi na zapadni dijelu Antarktika tako godišnje ostaju bez sedam metara leda, a znanstvenici do sada nisu znali objasniti točno zašto se to dešava i utječe li na to ljudski faktor globalnog zagrijavanja. Prema zaključcima ove studije, klimatske promjene igraju indirektnu, ali značajnu ulogu u topljenju antarktičkog leda, jer ga ubrzavaju, dovodeći do većih posljedica nego kad bi se led topio isključivo od toplijeg zraka, piše Daily Mail.

- Samo zagrijani zrak ne može objasniti topljenje leda na Antarktiku, objasnio ...

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#efekt staklenika #globalno zatopljenje #klimatske promjene #oceani
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