Pack ice, Arctic, Antarctic & Polar

Pack ice, any area of sea ice (ice formed by freezing of seawater) that is not landfast; it is mobile by virtue of not being attached to the shoreline or something else. Pack ice expands in the winter and retreats in the summer in both hemispheres to cover about 5 percent of the northern oceans and

Pack Ice - an overview

Pack ice, Arctic, Antarctic & Polar

ESA - Sea ice

Icebergs - Polar regions fact file, Antarctica and the Arctic

Understanding climate: Antarctic sea ice extent

Climate graphic of the week: record low Antarctic sea ice levels

Sea Ice

Polar bears are inbreeding due to melting sea ice, posing risk to

Things you should know about the Arctic and Antarctica » Yale

Arctic Sea Ice Shrinks to Smallest Extent Ever Recorded – Mother Jones

Drift or pack ice – Australian Antarctic Program

Arctic or Antarctic: how to pick your polar adventure

As a 'Sea Ice Free' Arctic Looms, the Climate Consequences Are