Dunes, Figure 2 Dune morphologies (arrows indicates wind direction): (a) Shadow dunes, embryo dune, and foredune in Isla Cristina
Coast, Huelva (Spain); (b) Barchans in Jericoacoara Beach, Ceara State (Brazil); (c) Parabolic dune (also named blowout) in Don ˜ ana National
Park (Spain); (d) Parabolic dunes near Foxton Beach, North Island (New Zealand); (e) Transgressive (also climbing) dune in Bolonia dune
Natural Monument, Ca ´diz (Spain); (f) Transgressive dune field in Myall Lakes National Park (Australia); (g) Cliff-top dunes in El Asperillo Cliff
Natural Monument, Don ˜ ana Natural Park (Spain); (h) Hummocks (also named nebkhas or coppice dunes) in Valdevaqueros dune Natural
Monument, Ca ´diz (Spain) (Images a–g have been extracted from Google Earth, 2014).
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