An international team of researchers set off Friday on the biggest and most complex expedition ever attempted in the central Arctic, a yearlong journey they hope will sharpen the scientific models that underpin human understanding of climate change.Story continues below
Stefanie Arndt, a sea ice physicist who has been preparing for the expedition for nine years, said darkness will be the biggest challenge. “What’s particularly interesting is the transition from winter to spring,” she said, a time when the ice is normally too thick for ships to reach the Central Arctic.Recording changes in the density, size and type of snow will help scientists better understand the flows of energy in the Arctic.
Understanding these and other complex processes occurring in the Arctic is essential for the increasingly sophisticated computer models scientists use to predict weather and climate. Experts believe that any disruption to the Arctic’s delicate cycle of freeze-and-thaw will be felt further south, though it’s still not clear how.
“We want to provide a robust scientific basis for the important political decisions that our societies now have to make to mitigate climate change,” said Rex, the expedition head.
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