See map and dramatic photos ... a guide," added Hadow. Current ice cap data are gathered by satellite and submarines, which can show the overall span of the Arctic ice melt, but these projections ...

Perhaps the most defining feature of the Arctic Ocean today is the vast expanse of sea ice that coats the surface, choking straits and grounding on the polar coasts. The extent of sea ice ...

With much of it covered in ice all year round and with no daylight from October to March, the Arctic Ocean is one of ... to understanding how well the ice cap as a whole is faring.

The sea ice cap grows during the cold Arctic winters and shrinks when temperatures climb again, but over the last three decades, satellites have observed a 13% decline per decade in the summertime ...

This is known as the ice-albedo feedback. Surface temperatures in the Arctic Ocean are warming more rapidly than anywhere else on the planet. The Arctic ice cap is composed mainly of sea ice, and not ...