Arctic Watch

Facts About the Arctic

Analysis

Rounding the curve

Both Arctic and Antarctic sea ice appear to be heading toward their respective seasonal limits, reaching the lowest extent at the end of summer in the north, and the highest extent as winter ends in the south.

The Arctic This Week Take Five: Week of 21 August, 2023

Canadian North Faces Its Worst Fire Season As reported by Al Jazeera on August 23, Canada is experiencing its worst fire season on record. According to the Canadian Forest Fire Centre, there have been 5,881 fires recorded so far, with 1,036 fires currently…

Arctic warming by abundant fine sea salt aerosols from blowing snow

Abstract The Arctic warms nearly four times faster than the global average, and aerosols play an increasingly important role in Arctic climate change. In the Arctic, sea salt is a major aerosol component in terms of mass concentration during winter…

Late summer heat wave avoids central Arctic

Antarctic sea ice extent increased during the second half of the month.

Facts About the Arctic in September 2023

There’s lots of coverage specifically about assorted Arctic sea ice extent metrics over on the “2023 Minimum Extent” thread.

What Would Greenland’s Independence Mean for the Arctic?

Climate change is fueling geopolitical competition in the Arctic. An independent Greenland could play an important role in years to come.

Arctic river channels changing due to climate change

Migration pace of large rivers in permafrost regions. A team of international researchers monitoring the impact of climate change on large rivers in Arctic Canada and Alaska determined that, as the region is sharply warming up, its rivers are not…

The 2023 Arctic Sea Ice Minimum Extent

It’s that time of year again! Tony Heller has been asserting that “summer is over at the North Pole” for several weeks now.

Scientists say deepening Arctic snowpack drives greenhouse gas emissions

Insulating effect of deeper snow is thawing ancient carbon permafrost reserves. Human-caused climate change is shortening the snow cover period in the Arctic. But according to new research led by Earth system scientists at the University of California, Irvine, some…