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317; Lecture 19

TermDefinition
Deserts
Streamlined flow
Turbulent flow
Vorticose Flow
Wind-velocity profile
Boundary layer
Bernoulli effect
Deflation
Abrasion
Sedimentation
Accretion
Encroachment
regions with very low annual rainfall (less than 300mm, 11in), sparse vegetation, extensive areas of bare rock, and alluvial plains
parallel layers of moving air
irregular movement of air, up and down and side to side
spiral flows around a central axis
graph of varying wind speeds from the ground to some altitude
lower 1000m (3280ft) of atmosphere affected by frictional drag from ground surface
when fluids flow, they create a pressure gradient where high pressure is concentrated near the ground and low pressure sits above it
the removal of loose particles by the wind
particles being transported by the wind wears away at a surface
grains fall out of the air or stop creeping forward
grains being moved by saltation hit the surface with a strong enough force to stop movement where they strike
deposition that occurs on a rough surface, some obstruction prevents creep from moving particles forward
Created by: turboqueen