Stage Sand Transport System Winds blowing over a dune can move grains of sand in three main ways. What path these grains take ...

An innovative technique for measuring the force acting on individual grains of sand could help scientists uncover how winds ...

Last summer, Stephanie McNamara got her first glimpse of Great Sand Dunes National Park and Preserve in southern Colorado. The park is a monument to sand, where dunes stretch across 30 square miles ...

On a cold winter day in December 2007, a bulldozer flattened nearly 40 acres (16 hectares) of Inner Mongolia's Tengger Desert. It was the start of a unique experiment: For the first time, scientists ...

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image: Studies of crescent-shaped dunes by Brazilian researchers could have applications in crude oil pumping and missions to Mars, among others. New findings have been published in Physical Review ...

Grain-size characteristics of dune networks in the Tengger Desert of northwestern China were investigated. Grain-size parameters (mean, standard deviation, skew, and kurtosis) were determined on dune ...

Journal of Applied Meteorology (1962-1982), Vol. 8, No. 6 (December 1969), pp. 874-883 (10 pages) It is suggested that helical roll vortices in the atmosphere are responsible for the formation of the ...

Barchan dunes are iconic crescent‐shaped landforms that arise in environments dominated by unidirectional winds and limited sand availability. Their evolution is determined by a complex interplay ...

WASHINGTON, D.C., September 10, 2019 -- If you've ever looked closely at a 3D sand or sediment dune within a river or coastal area, did you wonder how it formed? After noticing how the construction of ...