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Alaska Glacier Bay National
Park, Set 10
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About this image:
Riggs Glacier, Glacier Bay National Park, Alaska
Riggs Glacier is another huge glacier measuring almost 14
miles / 22 km long that is slowly receding and flowing at a
rate of 600 ft / 200 m per year. The ground around Riggs
Glacier is some of the newest ground to be released by the
grip of the glacier. Compared to the other glaciers we have
seen, Rigg has more of a "flowing" look to it, similar to
what we saw at the
Grand
Pacific Glacier in Tarr Inlet. |
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About this image:
Riggs Glacier giving up ground
Another view of Riggs Glacier as it gives up ground very
slowly. The vegetation has moved very quickly here and the
low brushes, dryas, alders and willows are already moving
in. |
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About this image:
Overview of Riggs Glacier, Alaska
We would describe Riggs Glacier as more of a low slowly
flowing carpet of ice. This picture was taken from the deck
of Mad Dog Voyager, yet afforded us a complete view of the
entire leading edge of the glacier. |
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About this image:
Detail shot of Riggs Glacier
What you can't see on this photo is that the low brush with
trees and growth is on a small ridge cresting in front of
Riggs Glacier. A small gulley separates this ridge of
greenery from the glacier, yet the glacier continues to give
up a little ground every year allowing the foliage to move
ever further inland and claim this new ground. |
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About this image:
Riggs Glacier flows around obstacles
This is the right arm of Riggs Glacier as it flows around an
immovable rock formation. From afar you can see how Riggs
Glacier splits and flows around this rock, just like
chocolate sauce flowing around the ice cream. At the base of
the glacier you see the masses of silt, rock and debris that
have been pushed forward over the last 200 years. |
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About this image:
A rolling mass of glacier
Riggs Glacier, unlike some of the others has a truly
rough visual surface to it and although it looks to be
"flowing" towards the waters edge, it almost appears to
be rolling and rumbling forward rather than flowing. |
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