Megaripples in sand deserts (IMAGE)

Universität Leipzig

Megaripples in sand deserts

Caption

It’s all in the mix: In megaripples in sand deserts (bottom), the composition of coarse and fine grains of sand (top) varies depending on the wind. For the first time, researchers have demonstrated a universal grain-size ratio hidden in that composition.

Credit

Photo: Hezi Yizhaq and Klaus Kroy

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