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Closed
circulation driven by horizontal temperature contrasts between
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the
air over the slope and the air at the same level over the center of the
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valley
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Speeds-
1-5 m/s with maximum a few meters above the ground
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Increase
in speed as length of slope increases (Antarctica 14-30 m/s)
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Strongest
downslope at sunset; strongest upslope in midmorning
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Depth
of downslope ~5% of drop in elevation from top
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Upslope
flows increase in depth as move upslope
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Stronger
the stability, shallower the slope flows
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Downslope
flows converge into gullies; upslope flows converge over
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higher
ground between gullies
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