Saturday, February 12, 2011

Icebergs


Amazing striped icebergs! I've found out that these are older pics and not taken in Lake Michigan ;)

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

When an iceberg falls into water, a layer of water 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. 










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