Surface creep accounts for as much as 25 percent of grain movement in a desert.
2.
This system was useful for surface creep, as in the case of an embankment.
3.
"Surface creep " is the slow movement of soil and rock debris by gravity which is usually not perceptible except through extended observation.
4.
The finer-grained products are taken away in suspension, whilst the sand is removed through surface creep, leaving behind a landscape of gravel, boulders and bare rock.
5.
Saltation is responsible for the majority ( 50 70 % ) of wind erosion, followed by suspension ( 30 40 % ), and then surface creep ( 5 25 % ).
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