Geology Reference
In-Depth Information
Boundary of continuous permafrost
Boundary of discontinuous permafrost
Boundary of sporadic permafrost
Polar timberline
Recent glaciated areas
Regions with alpine (altitudinal) periglacial
conditions
Sub-polar maritime periglacial zone
Sub-polar continental periglacial zone
Boreal periglacial zone
Polar periglacial tundra
Polar periglacial frost-debris zone
High polar periglacial frost-debris zone
0
500
1000
1500 km
Figure 1.5.
The regional extent of the periglacial domain in the northern hemisphere according to Karte (1979; Karte and
Liedtke, 1981). Reproduced by permission of Bochumer Geographische Arbeiten.
