Periglacial Processes and Landforms

What is permafrost? What types of permafrost exist?
What are the controls on permafrost? What is the active layer?
What is epigenetic versus syngenetic permafrost?
What are taliks, where do they form?

Extreme temperature fluctuatioins lead to shattering. What controls the rate of shattering?
How does an ice lens form?
How do the following processes work? What controls the process? In what conditions does it work best?
Ice segregation
Frost Heave - primary and secondary
Frost sorting -frost-push versus frost pull, convection
What is cryosuction?

Mass wasting in cold climates
Processes - Solifluction, frost creep, how do these work?
What is a rock glacier?
Felsenmeer, block fields, block slopes - how do these form?

How do the following landforms develop? What do they look like? Where do they occur?
Ice wedges and Ice wedge polygons
Ice wedge cast
Pingos - open and closed
Palsas
Patterned ground - types, sorting
Thermokarst - beaded drainage, alases, thaw lakes