Periglacial lake

Freeze and thaw cycles influence landscapes outside areas of past glaciation.

[2] Therefore, periglacial environments are anywhere that freezing and thawing modify the landscape in a significant manner.

[1] Areas that are too dry for glaciation to occur but that display characteristics of oversteepened slopes, solifluction slumps and cirques indicate the presence of a periglacial zone.

[4] Chief actions in these zones include solifluction and frost-shattering processes, the effects of which can be seen in the south of the Bristol Channel.

Environments that have supported a periglacial zone or tundra climate include Siberia, Canada, Greenland, and southern Africa.

Subglacial Lake Vostok , Antarctica . Via NASA Goddard Space Flight Center .
Glacial Lake in Kenai Fjord National Park , Alaska .