7 January 2015

Dune worlds

Domes, Barchan, Barchanoid Ridge, Transverse Ridge, Linear or Longitudinal, Reversing, Star
Sheet, Streak, Shadow, Climbing (and Falling), Echo (Reflection), Lunette, Nebka, Parabolic, Blowout, Compound and Complex
Booming or Singing
— from the contents page of Dune Worlds: How Windblown Sand Shapes Planetary Landscapes by Ralph D. Lorenz, James R. Zimbelman (2014)

Image: Barchan dunes, Hellespontus region of Mars from HiRise. The dunes are about 60 metres across (left to right) and resolution is about 1.5 metres. (Image of whole region here)

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