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Ice
cave opened up in collapsed snow-slope
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Base H, Signy, thumbnails -
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©Copyright D. Allsop - picture taken 1980 / 1981
Melt water flows down under the snow slope making a cave. Eventually the cave gets too big and the roof can't support itself so it collapses. There's snow algae giving a pink tinge to the sides of the slope too. This is algae that grows inside the ice fed by the minerals in the melt water that run over the snow and ice and in response to longer daylight hours in the spring and summer months.
Apparently this algae smells like melon when you walk on the snow, though I can't say I ever noticed it, of course now I know, I'd be readily placing my nose a few cm above the snow surface to check it out.
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| This picture is one of a collection assembled in
2007 on
the 60th anniversary of Signy Island
Base: 60°43'S 045°36'W. Thank you to those who sent their treasured memories of their time in
Antarctica and allowed them to be made into a commemorative cd
and then placed here on the web. My commentary is taken from notes I was sent with the pictures if any. Corrections or additions, please The reunion weekend was 14-16 September 2007. |
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