The CGC HEALY sailing over an open expanse of grey sea

A lone observer with ice floes, open water, and an amazing display of illuminated clouds.

The Canadian Coast Guard icebreaker LOUIS S. ST. LAURENT presenting a ghostly aspect as seen through the fog while navigating through ice fields in late summer.

Ice floes, nilas ice, and sun.

A sun pillar as sun dips below the horizon with ice floes and new ice.

Melt pools and hummocky ice seen through a porthole on a grey day.

Sun seen through the clouds over melt pools and hummocky ice on a gloomy day.

Hummocky ice and melt pools

Ice floes and open water.

Sun seen through the clouds over a vast ice field.

Sun seen through the clouds over a vast ice field

Sun seen through the clouds. Sunrise or sunset?

Blocks of ice randomly come together to look somewhat like an igloo.

Sun seen through the clouds over late summer ice floes.

A glimpse of sun illuminating a lead through ice floes

Sun reflecting off open water between ice floes

Clouds converging towards the horizon and a setting sun.

Ice flows starting to freeze together in early fall.

Melt pools freezing in early fall with an array of ice crystals in the foreground.

Ice floes freezing suffused with a light golden glow.

Sun reflecting off refreezing open water and melt pools.

Sun seen through the clouds reflecting on grease ice. Sunrise or sunset?

Sun seen through the clouds reflecting on frazil ice. Sunrise or sunset?

Moon and ice floes seen in an Arctic night.

The Canadian Coast Guard Icebreaker LOUIS S. ST. LAURENT seen over the haze and Arctic ice fields. Frozen agglomerated brash in left foreground.

Sun seen through ice crystal haze. By mid to late September, the ice floes have frozen together giving almost a continuous expanse of ice visually broken only by the succession of ridges seen in the distance.

Ice floes and previously open water of a polynya frozen over with sun peaking through a uniformly dark gray sky.

New ice with frost flowers and reflecting sunlight.

Helicopter eye view of a freezing world at dusk. The straight line in the right center of the image is an icebreaker track through the new ice.

Sunset over a freezing landscape.

Lower sun pillar seen extending downward from sun and reflecting on new ice.

Cruising homeward through open waters south of the pack ice.

Sun seen through the clouds reflecting on melt pools in late summer. Sunrise or sunset?

In a polynya looking towards sunlight playing on water while a blanket of cloud totally obscures the sun.

University of Washington Applied Physics Lab Ice Station in the Beaufort Sea seen from the air in the upper left of the image. Linear features are pressure ridges.

A large pressure ridge with a curious zig-zag pattern. Multi-year hummocky ice on top of image and smoother first-year ice on bottom.

An early spring view of a continuous expanse of ice over the Beaufort Sea. The linear features are pressure ridges.

A black flag reference location marker in an old hummocky ice landscape as seen from a helicopter.

A frozen lead. Note the orthogonal patterns in the surrounding ice.

Ice ridges extending to the horizon. In the lower right, the frozen over remains of melt pools can be seen.

Lead-producing fractures in the pack ice.

Long lineal fractures through a mix of old hummocky ice and first-year smooth ice.

Fracture in pack ice passing through a pressure ridge leaving brash ice in the frozen over fracture.

A lead extending for kilometers through the pack ice. This lead has re-opened and has frozen over again.

Young ice formed over a lead. Note the orthogonal fracture patterns in the ice.

Pack ice with pressure ridges criss-crossing in seeming random fashion. Imagine taking a dog sled through this terrain on a trip to the North Pole. Some of these ridges are at least ten feet high.

Pressure ridges, hummocks, and the frozen remains of a melt pond in the middle of the image.

A large frozen over melt pond

A refreezing lead through the pack ice.

A significant pressure ridge formation