New research by an international team of scientists explains what's behind a stalled trend in Arctic Ocean sea ice loss since 2007. The findings indicate that stronger declines in sea ice will occur when an atmospheric feature known as the Arctic dipole reverses itself in its recurring cycle.
The many environmental responses to the Arctic dipole are described in a paper published online today in the journal. This analysis helps explain how North Atlantic water influences Arctic Ocean climate. Scientists call it Atlantification.
"This is a multidisciplinary view on what's going on in the Arctic and beyond," Polyakov said of the new research."Our analysis covered the atmosphere, ocean, ice, changing continents and changing biology in response to climate change." This wind pattern drives upper ocean currents, with year-round effects on regional air temperatures, atmosphere-ice-ocean heat exchanges, sea-ice drift and exports, and ecological consequences.
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