Arctic sea ice

sea ice near Siberia

Yes, satellite sensors sometimes observe sea ice in locations where there is no ice. This problem most often arises along rivers and near coastlines, and it results from limitations in sensor...

On July 20, 2011, the U.S. Coast Guard Cutter Healy traveled through a break in the sea ice and melt ponds in...

Like El Niño and La Niña, the Arctic Oscillation (AO) is a big-picture of atmospheric conditions that influence weather. The AO, which alternates between two distinct modes, describes how pressure...

Satellites have continuously monitored Earth’s polar regions since November 1978. Over that period, Arctic sea ice has declined. Compared to the 1981 to 2010 average, sea ice extent has declined...

Researchers can measure ice thickness by drilling holes in the sea ice. But the method...

Like many villages along the Arctic coast, the Inupiaq village of Shishmaref, Alaska, is increasingly threatened by...

Researchers take measurements of the physical properties of sea ice in Fram Strait, in the Canadian Arctic...

A tipping point is a critical threshold where an incremental change could push a system over the edge to a new state. Two types of tipping points exist. One involves a rapid transition, like what...

Bright white sea ice reflects light and keeps the Arctic cool. Soot darkens the ice surface and can speed melt...

Satellites have continuously monitored sea ice since 1979. To gauge what Arctic sea ice was like before then, scientists use a combination of historical records and proxy measurements such as...

Pages

Subscribe to RSS - Arctic sea ice