Characteristics of folian environments
Terms
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- how much of the world's deserts are dominated by sand
- 25%
- desert pavement
- gravel and small rocks that dominate 75% of deserts
- Dunes are prominent in
- desert and coastal area
- inactive dunes are
- anchored by vegitation(ex. nebraska sand hills)
- active dunes are
- not anchored by vegitation and are migrating
- loess is
- wind blown silt
- it moves much further distances because
- it is very small and light
- loess covers how much of the earth's total land area
- 10%
- loess covers how much of the US's land area
- 30% mainly in the midwest
- loess is usually
- vert fertile
- loess deposits can be
- up to 300 feet deep