The rate of dust fallout was monitored during a period from August 2009 to July 2011 in protected (closed) and non-protected/open (unenclosed) areas in the northern desert of Kuwait. The dust fallout rates on degraded and protected sites were on average 18.8 and 44.1 g·m -2 ·month -1 , respectively. Higher rate of dust fallout in protected area may be attributed to biologic factors that are responsible for relative abundance of fine-grained sediment accumulations (Mostly silty sand). Wind deflation of fine grained sediment fractions and development of coarse-grained surface lag deposits in degraded area may be accountable for the reduction of its potentiality for suspended dust. The study indicates the importance of the vegetation cover in regulating sediment availability for atmospheric dust emission.
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