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15 January 2013

Ripples in the sand

All seen last March in Death Valley, at Mesquite Dunes…. within ten minutes of one another.


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17 January 2012

The ventifacts of Rooiels

Site of the mystery photo I posted over the weekend, the beach at Rooiels (“red grass” in Afrikaans), South Africa, is a lovely place… Located on the western side of False Bay a tad north of Cape Hangklip, Rooiels is somewhat famous in my mind because the Guru of Gigapan, Illah Nourbakhsh, spoke glowingly of it at the November 2010 Gigapixel Imaging for Science conference in Pittsburgh. When I finally …


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15 September 2010

Aeolian sand in Hampton, VA

This video was produced by my friend Pete Berquist. It shows rapidly moving “sheets” of sand saltating down Grandview Beach in Hampton, Virginia, during high winds associated with Hurricane Earl. What do you notice here? A couple of things jump out at me, but I’d be curious to hear what this video makes Mountain Beltway readers think about…


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