Class 8b: Desert and glacial landforms

1
Class 8b Desert and glacial landforms
2
Desert landforms

• Tend to be stark, barren (not much soil)

3
Desert landforms

• Water actually matters the most

4
Desert landforms
5
Alluvial fans

• "Wineglass canyons" lead to alluvial fans

6
Desert landforms

• Erg sea of sand (Arabic for sand)
• Reg desert pavement (Arabic for stone)

7
Glaciers

• A pile of snow moving like a very slow river

8
Glaciers

• Formed where there's always snow

9
How do glaciers move?

• Slides on water (melting and re-freezing)

10
Glacial erosion and transport
11
Glacial deposition

• Soil and rocks left behind when glacier retreats
• Outwash plain
• Glacial erratics

12
Continental glaciers
13
Continental glaciers

• Moraines (deposition features)
• Kettles

14
Continental glaciers
15
Alpine glaciers

• Smaller scale processes