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YouTubeMr Gedge's Geography Channel
Formation of Sand Dunes: Coastal Processes Part 5 of 6
Sand dunes form when wind erodes and transports sediment up a beach and deposits them on an obstacle like like driftwood or vegetation. The sand can be transported by the processes of saltation, suspension and surface creep. This video covers: (1) How sand dunes form. (2) The environmental conditions that must be present for sand dunes to form.
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