More Arctic sea ice is entering the North Atlantic Ocean than before, making it increasingly dangerous for ships to navigate those waters in late spring, according to new research led by the University of Manitoba.

The new research finds ocean passages typically plugged with ice in the winter and spring are opening up. Sea ice normally locked in the Arctic can then flow freely through these passages southward to routes used by shipping, fishing and ferry boats.

The new study finds Arctic sea ice surged through these channels in 2017 and clogged normally open areas of ocean around Newfoundland in May and June. The ice cover trapped many unsuspecting ships and sunk some boats when the ice punctured their hulls.

The study authors conclude that warming temperatures due to climate change are melting more Arctic ice, increasing ice mobility and opening channels that are normally frozen shut. They predict last year’s events could occur more often in the future as Arctic temperatures continue to rise.

 

Continue reading at University of Manitoba.

Image via David G. Barber.