Dunes

Some articles on dunes, dune:

Marathon Des Dunes
... Marathon des Dunes is a sporting event that takes places in the Sahara desert in Algeria ... varies from tarmac, rough terrain to sand dunes ...
Chronology Of The Indiana Dunes
... The Indiana dunes have been a cross road of activity since the glacier receded ... At the start of the 20th century, the dunes were a living laboratory for scientist studying plants, animals, and the changes in the land ... his work called the Hour Glass is located in Ogden Dunes ...
Samalayuca Dunes - Tourism Interest in The Dune Fields Near Samalayuca
... The dramatic appearance of the dunes near Samalayuca, visible from Highway 45, has generated tourism interest in the dunes ... Tourists hike in the dunes, ride over them in various vehicles, and slide down the dunes on sand boards ...
Sedimentary Structures - Flow Structures
... is from a flat bed, to some sediment movement (saltation etc.), to ripples, to slightly larger dunes ... Dunes have a vortex in the lee side of the dune ... As the upper flow regime forms, the dunes become flattened out, and then produce antidunes ...