__________ occurs in the northern tundra and the high-elevation alpine tundra where freeze-thaw cycles cause sheets and lobes of soils to move slowly downslope.

Question

Quizplus · Accepted Answer

Solifluction occurs in the northern tundra and high-elevation alpine tundra where the freeze-thaw cycles cause the soil to move slowly downhill as sheets and lobes. Soil creep is a slow, steady downhill movement of soil and occurs in a variety of climates and geologic conditions. Slumps and landslides are both more dramatic movements of soil and rock and can occur in a range of environments. However, the gradual movement described in the question is characteristic of solifluction.

__________ Occurs in the Northern Tundra and the High-Elevation Alpine