Junction in CRREL Permafrost Tunnel in Fairbanks (27 March 09 12:12)
par Matt Nolan
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Photo panoramique par
Matt Nolan
Pris 17:24, 28/03/2009
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Junction in CRREL Permafrost Tunnel in Fairbanks (27 March 09 12:12)The World > North America > USA > Alaska |
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The Permafrost Tunnel in Fairbanks allows visitors to see ice wedges, vegetation, and mammoth bones over 10,000 years old, in their original locations. Here the tunnel splits into two branches.
CRREL Permafrost Tunnel, 5 meters into the winze. Visit http://permafrosttunnel.crrel.usace.army.mil/...
CRREL Permafrost Tunnel, 23 meters into the adit. Visit http://permafrosttunnel.crrel.usace.army.mil ...
CRREL Permafrost Tunnel, 15 m into the adit. This is the entrance to the tunnel. Several ancient bo...
CRREL Permafrost Tunnel, 15 meters into the winze. Visit http://permafrosttunnel.crrel.usace.army.mil...
The permafrost tunnel has two branches -- this is the deeper one with lower ceiling. Here you c...
The permafrost tunnel is used for research into permafrost dynamics and climate dynamics over the pas...
CRREL Permafrost Tunnel, 30 meters into the adit. Visit http://permafrosttunnel.crrel.usace.army.mil/...
CRREL Permafrost Tunnel, 21 meters into the winze. Visit http://permafrosttunnel.crrel.usace.army.mil...
CRREL Permafrost Tunnel, 35 m into adit. Visit http://permafrosttunnel.crrel.usace.army.mil/ for more...
CRREL Permafrost Tunnel, 25 meters into the winze. Visit http://permafrosttunnel.crrel.usace.army.mil...
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait. Approximately half of Alaska's 710,231 residents (as per the 2010 United States Census) live within the Anchorage metropolitan area. Alaska is the least densely populated state of the U.S.
