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NOAA At The Ends of the Earth Collection
Catalog of Images

500 thumbnail picture
A significant pressure ridge formation
Alaska, Beaufort Sea 2007 April 1
501 thumbnail picture
Lead frozen over with new ice
Alaska, Beaufort Sea 2007 April 1
502 thumbnail picture
Remarkable rectangular break in pack ice with young ice formed in rectangle.
Alaska, Beaufort Sea 2007 April 1
503 thumbnail picture
New ice formed in lead.
Alaska, Beaufort Sea 2007 April 1
504 thumbnail picture
Pressure ridges enclosing bare ice
Alaska, Beaufort Sea 2007 April 1
505 thumbnail picture
Brash ice frozen in place.
Alaska, Beaufort Sea 2007 April 1
506 thumbnail picture
Lead filled with brash ice.
Alaska, Beaufort Sea 2007 April 1
507 thumbnail picture
Remarkable pattern of pressure ridges and large blocks of upthrown ice. Possibly an area of active ridge formation with brash ice.
Alaska, Beaufort Sea 2007 April 1
508 thumbnail picture
A lead through the ice pack with different types of ice as seen from a helicopter. Whether the dark streak is open water or grease ice is indeterminate. New and young ice is forming.
Alaska, Beaufort Sea 2007 April 1
509 thumbnail picture
Hummocky ice, what appear to be refrozen icicles but probably caused by wind effects, rough surface caused by wind ablation, and other structures in multi-year ice.
Alaska, Beaufort Sea 2007 April 1
510 thumbnail picture
Hummocky ice, remnants of ridges, and various wind, water, and freezing patterns captured in the surface expression of multi-year ice.
Alaska, Beaufort Sea 2007 April 1
511 thumbnail picture
Frozen melt ponds , a linear feature indicating fractured ice, and a variety of other features are seen on this multi-year ice. The patterns are not easy to discern because of snow cover.
Alaska, Beaufort Sea 2007 April 1
512 thumbnail picture
Parallel ridges with huge blocks of blue green ice thrown up. Like the subduction zones of plate tectonics that build mountain ranges, these features are the result of buckling caused by the great pressure of colliding ice floes. Probably second year ice.
Alaska, Beaufort Sea 2007 April 1
513 thumbnail picture
Cracking fracturing ice as a lead opens up.
Alaska, Beaufort Sea 2007 April 6
514 thumbnail picture
Young ice in a lead that will melt as spring advances and summer comes on.
Alaska, Beaufort Sea 2007 April 6
515 thumbnail picture
Multi-year ice with patterns caused by collisions, freezing and refreezing, and wind patterns caused by ablation and wind-sculpted snow.
Alaska, Beaufort Sea 2007 April 6
516 thumbnail picture
A fracture in the ice field. GPS buoy equipment was monitoring the deformation of the ice in this area.
Alaska, Beaufort Sea 2007 April 6
517 thumbnail picture
An open lead in the ice field.
Alaska, Beaufort Sea 2007 April 3
518 thumbnail picture
A hummocky surface. Imagine traversing this terrain with a dog sled as did the early Arctic explorers. This surface is highly deformed old ice.
Alaska, Beaufort Sea 2007 March 30
519 thumbnail picture
A hummocky surface. Imagine traversing this terrain with a dog sled as did the early Arctic explorers.
Alaska, Beaufort Sea 2007 March 31
520 thumbnail picture
A terrain with ridges in thick first-year ice with large blocks of ice. Note the pattern in the ledge showing snow and ice layers similar to sedimentary layers in sand dunes. Find the footprint for scale.
Alaska, Beaufort Sea 2007 March 31
521 thumbnail picture
Looking over a frozen melt pond towards a hummocky ice landscape in multi-year ice.
Alaska, Beaufort Sea 2007 March 31
522 thumbnail picture
An ice beacon monitoring air temperature and pressure and ice drift.
Alaska, Beaufort Sea 2007 April 1
523 thumbnail picture
On the ice field. A small area of sastrugi, wind-sculpted snow and ice, in the foreground.
Alaska, Beaufort Sea 2007 April 2
524 thumbnail picture
Huge blocks of ice forming a pressure ridge. This is a first-year ice ridge.
Alaska, Beaufort Sea 2007 April 2
525 thumbnail picture
Scientists inspecting blocks of ice on pressure ridge.
Alaska, Beaufort Sea 2007 April 2
526 thumbnail picture
Huge blocks of ice forming a pressure ridge.This is first year-ice
Alaska, Beaufort Sea 2007 April 2
527 thumbnail picture
Huge blocks of ice forming a pressure ridge with scientist providing scale of features.
Alaska, Beaufort Sea 2007 April 2
528 thumbnail picture
Huge blocks of ice forming a pressure ridge with icicles formed from melting probably caused by sun heating ice and causing localized melting and refreezing.
Alaska, Beaufort Sea 2007 April 2
529 thumbnail picture
A mass of huge blocks of ice forming a pressure ridge.
Alaska, Beaufort Sea 2007 April 2
530 thumbnail picture
Scientist standing by block of ice for scale on pressure ridge.
Alaska, Beaufort Sea 2007 April 2
531 thumbnail picture
How much force could cause this pile of huge blocks of ice to form? These are blocks of ice formed from level first year ice.
Alaska, Beaufort Sea 2007 April 5
532 thumbnail picture
A refrozen fracture with nilas ice and frost flowers. flowers.
Alaska, Beaufort Sea 2007 April 9
533 thumbnail picture
A fracture in the ice field. This fracture appears to have been caused by some shearing as well as pulling apart.
Alaska, Beaufort Sea 2007 April 9
534 thumbnail picture
Unusual remnant of older multi-year ice. .
Alaska, Beaufort Sea 2007 April 9
535 thumbnail picture
Snow surface of piece of an ice floe that has been pushed under water by the reclosing of a lead.
Alaska, Beaufort Sea 2007 April 12
536 thumbnail picture
Snow surface of piece of an ice floe that has been pushed under water by the reclosing of a lead.
Alaska, Beaufort Sea 2007 April 12
537 thumbnail picture
Looking down through openings within a ridge to the waters of the Beaufort Sea.
Alaska, Beaufort Sea 2007 April 12
538 thumbnail picture
Dr. Pablo Clemente-Colon next to blocks of ice on a ridge for scale.
Alaska, Beaufort Sea 2007 April 12
539 thumbnail picture
An opening fracture in the ice field. Flags are set to monitor motion.
Alaska, Beaufort Sea 2007 April 2
540 thumbnail picture
Looking through a porthole of the HEALY to view of second or multi-year ice with aquamarine melt pools .
Alaska, Beaufort Sea 2009 August 12
541 thumbnail picture
Picturesque remnant of multi-year ice amongst first year ice floes.
Alaska, Beaufort Sea 2009 August 12
542 thumbnail picture
Ice floes, blue-green ice, and open water.
Alaska, Beaufort Sea 2009 August 12
543 thumbnail picture
Deteriorating ice floes with melt pools, blue-green ice, and deep dark water in late summer.
Alaska, Beaufort Sea 2009 August 13
544 thumbnail picture
Deteriorating ice floes with melt pools, blue-green ice, and deep dark water in late summer.
Alaska, Beaufort Sea 2009 August 13
545 thumbnail picture
Melt pools and ice floes seen on a foggy Arctic day.
Alaska, Beaufort Sea 2009 August 13
546 thumbnail picture
Approaching ice floes and melt pools from the edge of a polynya.
Alaska, Beaufort Sea 2009 August 14
547 thumbnail picture
Radar view of ice to north and polynya to south taken at same time as image arct0429.
Alaska, Beaufort Sea 2009 August 14
548 thumbnail picture
Late summer melt ponds and deteriorating ice floes
Alaska, Beaufort Sea 2009 August 14
549 thumbnail picture
Looking down to aquamarine colored ice with melt pools breaking through to underlying seawater.
Alaska, Beaufort Sea 2009 August 14

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Last Updated:
April 30, 2013