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Scott
Base, with pressure ridge and Ross Ice Shelf beyond - 1
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McMurdo Base, thumbnails -
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A pressure ridge is made where sea ice is pushed together, either from different directions or from one direction against fixed ice (held against the shore in this case). The force that is pushing the ice could be ocean currents beneath the surface or a storm many tens or even hundreds of miles away in the distance.
24th October 2007
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| This picture published courtesy of Alan Light - This picture is in the public domain. |
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