The method, developed by researchers at the State University of Campinas in Brazil, uses images of dune surfaces to estimate ...
NOGAHABARA DUNES — From a molded seat of sand dug into the western rim of a 5-mile oval of desert, I’m looking out over a sea of tan waves. Spruce spears stick up here and there through the sand. On ...
Brazilian researchers have developed a technique that estimates the force exerted on each grain of sand in a dune from images ...
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