Polar environments
Small amounts of precipitation
-50°
Large snowy areas
Large expanses of sea ice
Eg Antarctica
Alpine Environments
E.g Alps
High Altitude
Above 15°c in summer
Heavy snow in winter
Temp below 10°c
Glacial
Warm summers to promote meltwater
Ice is main transport process
Heavy snow in winter
Mountainous regions
E.g Greenland
Periglacial Environments
Presence of permafrost
Short summers allow small amounts of surface thaw
On the edge of glacial & polar regions
E.g Spitsbergen