echo dune
geology
Learn about this topic in these articles:
formation and growth
- In sand dune: Dune and sheet patterns
…large hill massif, a so-called echo dune is deposited on the upwind side separated from the scarp by a rolling eddy of air that keeps a corridor free of sand. Many oases and routeways are found in this kind of corridor. Echo dunes are among the largest dunes in the…
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