"10.5194/tc-6-881-2012" . "Arctic sea ice variability and trends, 1979-2010"^^ . . "6" . "881-889" . "2012"^^ . "10.5194/tc-6-881-2012" . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid2 . _:genid2 . _:genid2 . _:genid2 . _:genid2 . . . . .