Birth of a subaqueous barchan dune.

@article{Alvarez2017BirthOA,
  title={Birth of a subaqueous barchan dune.},
  author={Carlos A. Alvarez and E. M. Franklin},
  journal={Physical review. E},
  year={2017},
  volume={96 6-1},
  pages={
          062906
        }
}
Barchan dunes are crescentic shape dunes with horns pointing downstream. The present paper reports the formation of subaqueous barchan dunes from initially conical heaps in a rectangular channel. Because the most unique feature of a barchan dune is its horns, we associate the time scale for the appearance of horns to the formation of a barchan dune. A granular heap initially conical was placed on the bottom wall of a closed conduit and it was entrained by a water flow in turbulent regime. After… Expand
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