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'Brinicle' ice finger of death filmed in Antarctic

A bizarre underwater "icicle of death" has been filmed by a BBC crew.

With timelapse cameras, specialists recorded salt water being excluded from the sea ice and sinking.

The temperature of this sinking brine, which was well below 0C, caused the water to freeze in an icy sheath around it.

Where the so-called "brinicle" met the sea bed, a web of ice
formed that froze everything it touched, including sea urchins and
The unusual phenomenon was filmed for the first time by
cameramen Hugh Miller and Doug Anderson for the BBC One series Frozen

The icy phenomenon is caused by cold, sinking
brine, which is more dense than the rest of the sea water. It forms a
brinicle as it contacts warmer water below the surface.
Mr Miller set up the rig of timelapse equipment to capture
the growing brinicle under the ice at Little Razo

Added: Nov-24-2011 Occurred On: Nov-24-2011
By: lpankhurst
Science and Technology
Tags: Science, Environment, Ice, Frozen Planet, David Attenborough
Views: 6698 | Comments: 11 | Votes: 4 | Favorites: 1 | Shared: 39 | Updates: 0 | Times used in channels: 1
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