File:Stones eroding into flash flood silt bed IMG 8409.JPG

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English: The Fish River Canyon in Namibia is largely lined with screes. It suffers periodic flash floods that leave thick beds of silt. Scree rocks on the silt deflect floodwaters that wash away upstream silt but deposit a downstream tail, leaving ephemeral pools.
Date
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Author JonRichfield
Camera location27° 43′ 12″ S, 17° 34′ 37.2″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

This rock, some 2 metres high, massing over ten tonnes, left an upstream pool demonstrating the water level in the silt. Clearly the flow of the deflected water was intense enough to clear away nearby stream-bed rocks along with the silt.

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current17:40, 30 May 2014Thumbnail for version as of 17:40, 30 May 20144,000 × 3,000 (4.98 MB)JonRichfield (talk | contribs)User created page with UploadWizard

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