1. Chapter 17 Glacial and Periglacial Processes and Landforms
Geosystems 6e
An Introduction to Physical Geography
Robert W. Christopherson
Charles E. Thomsen

2. Glacial and Periglacial Processes and Landforms
Rivers of Ice  
Glacial Processes  
Glacial Landforms  
Periglacial Landscapes  

3. Rivers of Ice  
Glacier – a large mass of ice resting on land or floating as an ice shelf in the sea adjacent to land
Not stationary
Alpine glaciers – a glacier in a mountain range
Valley glacier
Cirque glacier
Peidmont glacier
Tidal glacier
Iceberg

4. Rivers of Ice
Figure 17.1

5. Rivers of Ice
Continental glaciers – large, continuous mass of ice – ice sheet
81% Greenland
90% Antarctica

6. Vatnajökull Ice Cap
Figure 17.5

7. Glacial Processes Formation of Glacial Ice Glacial Mass Balance
Compaction, recrystallization, and growth of snow and ice
Glacial Mass Balance
Accumulation
Ablation
Moraine  
 Glacial Movement
ice regelation – to refreeze

8. Mass Balance
Figure 17.7

9. Glacial Polish
Figure 17.9

10. Glacial Landforms
Erosional and Depositional Landforms Created by Alpine Glaciation  
Fjord
Till
Stratified drift
Moraines
Erosional and Depositional Landforms Created by Continental Glaciation  
Outwash plain
kettle

11. Norwegian Fjord
Figure

12. Periglacial Landscapes
Periglacial – describes frost weathering and freeze-thaw rock shattering
Geography of Permafrost 
80% Alaska 
Ground Ice and Frozen Ground Phenomena 
Active layer 
Humans and Periglacial Landscapes  

13. Permafrost Distribution
Figure

14. Permafrost Melting
Figure