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Sandstorm in Riyadh | by Peter Arthold
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Sandstorm in Riyadh

A dust storm or sandstorm is a meteorological phenomenon common in arid and semi-arid regions and arises when a gust front passes or when the wind force exceeds the threshold value where loose sand and dust are removed from the dry surface.

 

Particles are transported by saltation and suspension, causing soil erosion from one place and deposition in another.

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Taken on March 10, 2009