Dune shaft
Dune shaft in Spain
Dune shaft - a type of shaft emptied from the sand by the wind. It is a kind of dunes, distinguished by its shape; It is most often created in coastal areas and exposed. They can pull as many as a dozen kilometers as they do in the Australian Lowlands. Some dune shafts can grow at a rapid pace - in the Swine Gate since World War II, two dune shafts have grown and their average annual expansion rate is 2 meters per year. The wind blowing mainly from two opposite directions.
wiki
Comments
Post a Comment