by Alma de Groot, Netherlands
The pattern is the result of the formation of aeolian dunes on the beach, that subsequently were wetted by rain, and finally were eroded by wind again. Small pieces of shell debris and other organic material protect the sand locally. The pictured area is about 30 cm across.
Taken on 27
Submitted on 11 March 2011
Credit: Alma de Groot (distributed via imaggeo.egu.eu)
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