Friday, 8 August 2008

Striped icebergs and other amazing natural ice formations

Amazing striped icebergs

Icebergs in the Antarctic area sometimes have stripes, formed by layers of snow that react to different conditions.

Blue stripes are often created when a crevice in the ice sheet fills up with meltwater and freezes so quickly that no bubbles form.

When an iceberg falls into the sea, a layer of salty seawater can freeze to the underside. If this is rich in algae, it can form a green stripe.

Brown, black and yellow lines are caused by sediment, picked up when the ice sheet grinds downhill towards the sea.









Amazing natural ice sculptures

Water freezes very quickly in these temperatures producing some amazing natural ice sculptures













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3 comments:

Kate Anderson said...

amazing pics... it looks so gud that its hard to say it wasnt done using photoshop lol just kidding... anyway thanks for the awesome pics...

Luis Blasini said...

Been reading your blog for awhile - yes, I agree - nature is so wonderful sometimes. Must make a trip one day to the artic and see these lovelies for myself!

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