Brash ice accumulating on the edge of newly formed ice with an isolated floe frozen into the new ice.

New grey ice cracking into rectangular sheets as the CGC HEALY plows through new ice.

New grey ice cracking into rectangular sheets as the CGC HEALY plows through new ice.

The CGC HEALY in a large lead opening to a polynya as seen on the radarscope. 78 55 N 128 45 W.

Over 90 % ice cover is seen on the radar display of the Canadian Coast Guard Icebreaker LOUIS S. ST. LAURENT.

An ice field stretching to the horizon.

Hummocks, ice blocks, remnants of ridges, and remnants of melt pools can be seen in this image.

Hummocky appearance of multi-year ice. Melt ponds have now frozen over.

Hummocky appearance of multi-year ice seen through an ice crystal haze.

Hummocky multi-year ice with frozen over melt ponds with a fracture opening to an area of new ice.

Polygons of new ice form striking geometric patterns.

Polygons of new ice form striking geometric patterns.

Polygons of new ice form interspersed with small first year ice floes.

Pancake ice frozen together

Angular brash ice

Rafting nilas covered with frost flowers.

Rafting nilas covered with frost flowers.

Rafting nilas covered with frost flowers with first-year and multi-year ice in upper third of image.

Polar bear tracks on new ice.

Patterns on new ice.

Lead in first year ice closing over with newly forming ice and brash ice.

New ice forming over large area of open water with frost flowers on a foggy misty day.

Interlocking fingers of newly forming ice with frost flowers.

Large frost flowers on newly frozen ice with floes in the distance.

Polygons of newly forming ice with frost flowers.

Polygons of newly forming ice with frost flowerstending to congregate along the edges.

Nilas ice broken into interlocking fingers with frost flowers on surface.

Nilas ice broken into interlocking fingers with frost flowers on surface.

Nilas ice with frost flowers

Interlocking fingers of nilas ice with frost flowers

Hummocky multi-year ice with refrozen melt pools.

Floes of hummocky multi-year ice with refrozen melt pools and nilas ice in intervening formerly open water.

Multi-year ice floes with refrozen formerly open water areas

Large and small pancake ice with frost flowers

Small floe surrounded by brash ice with box on floe for scale.

Small floe surrounded by brash ice

Small floe surrounded by brash ice

Brash ice with target for scale

Brash ice with target for scale

Pancake ice freezing together with frost flowers.

Angular brash ice

Rafting nilas ice. The darker the nilas ice, the thinner it is.

Floes of multi-year ice with melt pools and hummocky appearance

Floes of multi-year ice

Broken ice with rough sculpted appearance surface next to USCG icebreaker HEALY.

Rafted nilas which as it thickens become grey-white ice. Note frost flowers as well as small buckled section of ice in center of photo.

Interlocking fingers of nilas ice with frost flowers with floe of multi-year ice in upper center of image.

Interlocking fingers of nilas ice

Hummocky multi-year ice with refrozen melt pools

Multi-year ice with refrozen melt pools and relatively large berg-like chunk of ice frozen into floes.