With the Arctic sea ice area (SIA) rapidly declining since 2000, a study forecasts the Arctic Ocean to become ice-free near mid-century in September.
The panel said, “It is likely that the Arctic Ocean in September, the month of annual minimum SIA, will become practically ice-free. Hence, uncertainty remains in whether or not the Arctic will become ice-free under the lowest emissions scenarios, as well as in understanding the observed SIA changes throughout the year.”
Additionally, the study showed that anthropogenic aerosol forcing had offset about 23 percent of the GHG-induced Arctic sea ice extent decrease.A significant decline in Arctic SIA would severely impact human societies and natural ecosystems. “An ice-free Arctic is creating new business opportunities, political challenges, and threats to the ecosystems and local communities.”
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