Question
click below
click below
Question
Normal Size Small Size show me how
Geography 10
.Final ch.18
Question | Answer |
---|---|
Desert Terrains are | Stark and Abrupt |
Desert Special Conditions are | Mechanical weathering Dominant |
Ergs | Seas of Sand |
Regs | Stony Desert |
Mesa and Scarp topography is most closely associated with | Erosion |
A desert consisting of a large area of sand dunes is termed a | Erg |
3 kinds of Surface Water in the desert are | Exotic Streams, Ephemeral Streams,Desert lakes |
Exotic Streams | Permanent streams that originate outside of the arid land |
Ephemeral Streams | Periodically flow, result in intense erosion, transportation, and deposition |
Desert Lakes | Playas and salinas(dry salt lake beds), Saline lakes |
Examples of Ergs are | Sahara and Arabian deserts |
Regs desert vanish consist of | Iron and Manganese oxides |
Barren Bedrock | Hamada |
Sapping | Groundwater seeps out of the scarp face and erodes soluble material |
Buttes | Small surface areas and cliffs that rise above surroundings |
Coastal Dunes | Ocean waves deposit sand on beaches |
Soil is thin or absent | Exposing bedrock |
Impermeable caprocks and hardpans have | high runoff |
Sand covers desert area about | 10% |
Fluvial erosion in arid lands | Occurs during small portions of the year,residual erosional surfaces, and desert stream channels |
Fluvial deposition | Piedmont, basin of interior drainage, talus accumulations |