Axel Schweiger
July 1, 2021
Last ice-covered parts of summertime Arctic Ocean vulnerable to climate change
The region north of Greenland and the Canadian Arctic has been termed the Last Ice Area, where sea ice will remain the longest in summertime, providing a refuge for ice-dependent Arctic species. But conditions last summer show that parts of this region are already experiencing less summer ice due to climate change.
August 8, 2019
More than 100 years of Arctic sea ice volume reconstructed with help from historic ships’ logbooks
A new study provides a 110-year record of the total volume of Arctic sea ice, using early U.S. ships’ voyages to verify the earlier part of the record. The longer record puts the recent loss into perspective.
December 18, 2018
February’s big patch of open water off Greenland? Not global warming, says new analysis
New analysis shows that odd winds, not warming, caused the unusual patch of open water north of Greenland last February.
March 13, 2017
Rapid decline of Arctic sea ice a combination of climate change and natural variability
Dramatic declines in Arctic sea ice during the past four decades are due to a mixture of global warming and a natural decades-long hot spot over Greenland.
July 7, 2016
Arctic sea ice volume, now tracking record low, stars in data visualization
With Arctic sea ice roughly tied with previous record-low years, a University of Washington tool that tallies the total volume of ice in the Arctic Ocean is attracting attention.
March 3, 2015
On thin ice: Combined Arctic ice observations show decades of loss
Historic submarine and modern satellite records show that ice thickness in the central Arctic Ocean dropped by 65 percent from 1975 to 2012. September ice thickness, when the ice cover is at a minimum, dropped by 85 percent.
September 17, 2013
Stronger winds explain puzzling growth of sea ice in Antarctica
Despite warming temperatures, Antarctic sea ice is on track to hit a record high. A new study suggests stronger polar winds can explain the recent increase in Southern Hemisphere sea ice.
July 30, 2013
Santa’s workshop not flooded – but lots of melting in the Arctic
Widespread media reports of a lake at the North Pole don’t hold water — but scientists who deployed the monitoring buoys are watching closely as Arctic sea ice approaches its yearly minimum.
February 13, 2013
European satellite confirms UW numbers: Arctic Ocean is on thin ice
New satellite observations confirm a University of Washington analysis that for the past three years found accelerated declines in the volume of Arctic sea ice.
January 31, 2013
Cyclone did not cause 2012 record low for Arctic sea ice
A huge Arctic cyclone in August was not responsible for the historic minimum seen soon after in Arctic sea-ice extent.
