USCG icebreaker HEALY and Canadian Coast Guard icebreaker LOUIS S. ST. LAURENT seen from LOUIS ST. LAURENT's helicopter. A spectacular view of fracture patterns in the surrounding ice floes.

Frost flowers at Ice Camp

Frost flowers at Ice Camp

Camera lens camp showing scale of mini-hummocks on ice surface at Ice Camp.

Dr. Pablo Clemente-Colon on left studying development of crack in ice pack.

Frost flowers and various layers of ice looking at crack in ice.

Frost flowers on solid ice while fingers penetrating thin ice layer of refreezing water in crack in ice pack.

Beautiful ice crystals reminiscent of ferns developing in crack in ice pack.

Various ice crystals and patterns in refreezing surface of water found at crack in ice pack.

Mitten placed on refreezing surface of water found at crack in ice pack giving scale of ice crystals and swirl patterns in ice.

Ice crystals and patterns in the ice surface of refreezing water surface of crack in ice pack.

Beautiful ice crystals reminiscent of ferns developing in crack in ice pack.

Icecicles found in small opening where floes were rafted.

X marks the spotwhere ice floes had frozen together.

Mini-ridges of ice crystals covered by snow and ice pellets overlying ice pack.

Mini-ridges of ice crystals covered by snow and ice pellets overlying ice pack.

Surface covered by ice crystals.

Ice crystals at small break in ice surface

Long needle-like ice crystals on top of ice surface.

Ice crystals at edge of water/ice surface in crack in ice pack.

Ice crystals on top of refrozen surface of melt pool.

Odd arrangement of ice crystals reminiscent of honeycomb

Short thick cylindrical ice crystals seemingly strewn about ice surface.

Short thick cylindrical ice crystals seemingly strewn about ice surface. Has appearance of short bristly hair.

Pancake ice in a young ice field. The raised edges are caused by repeated collisions between cakes of frazil ice.

Ice crystals covering pancake ice.

Ice crystals covering pancake ice.

Ice crystals on frazil ice and agglomerating pancake ice.

Frost flowers on frazil ice

Ice crystals on nilas ice.

Ice crystals on nilas ice.

Frost flowers on frazil ice

Frost flowers on frazil ice

Frost flowers on forming on small pancake in frazil ice

Frost flowers on frozen together pancake ice.

Frost flowers on small frozen together pancake ice.

New ice pancakes with frost flowers

Frost flowers on frozen together pancake ice.

Short thick cylindrical ice crystals seemingly strewn about ice surface.

Frost flowers with ice crystals forming on small pancake frozen into ice surface

Graupel covering ice surface

Graupel covering ice surface

Graupel covering ice surface in vicinity of crack in pack ice.

Pancake ice coming together to form larger pancakes, thence floes, and thence larger floes, until pack becomes solid mass,

Dune-like structures in graupel covering the ice surface. Orientation of dunes a function of wind direction.

Dune-like structures in graupel covering the ice surface. Orientation of dunes a function of wind direction.

Graupel covering ice surface

Graupel covering ice surface

Rime on railing of USCG icebreaker HEALY

Rime on railing of USCG icebreaker HEALY