Nikum 2010 heh tun hlan hnakin Arctic tipui ah vur tlawm sawn thu mithiam te in zingzoi hnua fangin hmusuak le a rai hlan ah phuang tuh i hang. 2007 kum ai hnakin 2010 kum ah vur tlawm sawn ai paa sawn ti ti.
He thula heh Pan-arctic Ice Ocean Modelling and Assimilation System (PIOMAS) in buaipui hnua fangin thusuak hnak i.
2007 kum ah Arctic ah vur heh 4.13 million sq kim i awng napui 2010 kum ah 4.6 million sq km hnakin niam sawn hang tiin reel i. 1970 kum dung ah he hmun ah vur heh 7 million sq km i awng i.
Khaal vangin vur heh tii cak le Greenland ram hiang ah tipui heh 7 meters dung tian khang thai i.