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Encyclopedia of Planetary Landforms pp 1–3Cite as

Lee Dune

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Definition

Linear sand deposits developed at the lee side of an obstacle or gap (Tsoar 1989, 2013).

Category

A type of obstacle dune, (Tsoar 1989).

Synonyms

Sand shadow; Shadow dune; Topographic lee dune

Description

Sand accumulations formed in the sand/current shadow of a topographic obstacle (Bagnold 1941) including clumps of bushes on Earth (Stone 1967). Occasionally sand removed from the side of dunes is deposited as a lee dune tail (De Hon 2006); in this case the large dune is the topographic obstacle itself. Most lee dunes are straight, but some are sinuous (Cooke et al. 1993:356).

Subtypes

(After Bagnold 1941; Pye and Tsoar 1990)

  1. (1)

    Single lee dune downwind of an obstacle (Ridge in Current Shadow) (Fig. 1).

  2. (2)

    Paired lee dune downwind of an obstacle that encloses a sand-free lee hollow (Current Crescent).

  3. (3)

    Lee dune downwind of a gap between two obstacles.

  4. (4)

    On Earth, where vegetation clumps exist in regions of high sand transport, sand accumulation in the lee of the...

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References

  • Ardon K, Tsoar H, Blumberg DG (2009) Dynamics of nebkhas superimposed on a parabolic dune and their effect on the dune dynamics. J Arid Environ 71(11):1014–1022

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  • Bagnold RA (1941) The physics of blown sand and desert dunes. Methuen, London, p 265

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  • Cooke R, Warren A, Goudie A (1993) Desert geomorphology. UCL Press, London

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  • De Hon RA (2006) Transitional dune forms on Mars. Lunar Planet Sci XXXVII:1361, Houston

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  • Edgett KS, Blumberg DG (1994) Star and linear dunes on Mars. Icarus 112(2):448–464. doi:10.1006/icar.1994.1197

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  • Greeley R (1986) Aeolian landforms: laboratory simulations and field studies. In: Nickling WG (ed) Aeolian geomorphology. Allen and Unwin, Boston, pp 195–211

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  • Pye K, Tsoar H (1990) Aeolian sand and sand dunes. Unwin Hyman, London

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  • Stone RO (1967) A desert glossary. Earth Sci Rev 3:211–268

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  • Tsoar H (1989) Linear dunes – forms and formation. Prog Phys Geogr 13:507–528

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  • Tsoar H (2008) Linear dunes on Earth and Mars – similarity and dissimilarity. Planetary dunes workshop: a record of climate change. Alamogordo, New Mexico, pp 75–76, LPI Contribution No. 1403

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  • Tsoar H (2013) Critical environments: sand dunes and climate change. In: Shroder J, Lancaster N, Sherman DJ, Baas ACW (eds) Treatise on geomorphology. Academic, San Diego, pp 414–427, 11, Aeolian Geomorphology

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  • Tsoar H, Blumberg DG, Wenkart R (2008) Formation and geomorphology of the NW Negev sand dunes. In: Breckle SW, Yair A, Veste M (eds) Arid dune ecosystems. Springer, Berlin, pp 25–48

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Author information

Authors and Affiliations

  1. Planetary Science Research Group, Eötvös Loránd University, Institute of Geography and Earth Sciences, Budapest, Hungary

    Henrik Hargitai

Authors
  1. Henrik Hargitai
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Correspondence to Henrik Hargitai .

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Hargitai, H. (2014). Lee Dune. In: Encyclopedia of Planetary Landforms. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9213-9_478-1

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  • DOI: https://doi.org/10.1007/978-1-4614-9213-9_478-1

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  • Publisher Name: Springer, New York, NY

  • Online ISBN: 978-1-4614-9213-9

  • eBook Packages: Springer Reference Earth and Environm. ScienceReference Module Physical and Materials ScienceReference Module Earth and Environmental Sciences

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