new icn messageflickr-free-ic3d pan white
Tundra Polygons and Pingos | by Bering Land Bridge National Preserve
Back to photostream

Tundra Polygons and Pingos

Unique arctic landforms are found in Bering Land Bridge National Preserve. Pingos (the hill like structures) are actually formed by water and permafrost. Tundra polygons, or patterend ground, are also characteristic of periglacial environments.

1,215 views
1 fave
0 comments
Taken on August 12, 2007