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Sand dunes mobility and stability in relation to climate

Author

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  • Tsoar, H.

Abstract

Sand dunes form an important and unique system that can be mobile or fixed by vegetation. The common mobility indices of sand dunes, which are related to the wind and the amount of precipitation and potential evaporation, do not work in many dune fields around the world. The reasons for that lie in the singular physical characteristics of the sandy soil. Sand has high hydraulic conductivity causing a high rate of infiltration of rain water to the groundwater. Sand particles lack cohesion and that makes wind erosion the main limiting factor for vegetation. Hence, wind power, manifested by the drift potential (DP), is a good index for the limiting factor of plants on sand. The physical–biological interaction is further developed by hysteresis, which shows that a dune can become vegetated when the wind power is sufficiently low. Once vegetated, a much higher wind stress is needed to destroy the vegetation and re-activate the dunes.

Suggested Citation

  • Tsoar, H., 2005. "Sand dunes mobility and stability in relation to climate," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 357(1), pages 50-56.
    • Handle: RePEc:eee:phsmap:v:357:y:2005:i:1:p:50-56
    DOI: 10.1016/j.physa.2005.05.067
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    Citations

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    Cited by:

    1. Y. Ashkenazy & H. Yizhaq & Haim Tsoar, 2012. "Sand dune mobility under climate change in the Kalahari and Australian deserts," Climatic Change, Springer, vol. 112(3), pages 901-923, June.
    2. Xiao Feng & Jianjun Qu & Qingbin Fan & Lihai Tan & Zhishan An, 2019. "Characteristics of Desertification and Short-Term Effectiveness of Differing Treatments on Shifting Sand Dune Stabilization in an Alpine Rangeland," IJERPH, MDPI, vol. 16(24), pages 1-15, December.
    3. Yizhaq, Hezi & Ashkenazy, Yosef & Levin, Noam & Tsoar, Haim, 2013. "Spatiotemporal model for the progression of transgressive dunes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(19), pages 4502-4515.
    4. Chen, Ning & Wang, Xin-ping, 2016. "Driver-system state interaction in regime shifts: A model study of desertification in drylands," Ecological Modelling, Elsevier, vol. 339(C), pages 1-6.
    5. Mohammad Reza Rahdari & Andrés Rodríguez-Seijo, 2021. "Monitoring Sand Drift Potential and Sand Dune Mobility over the Last Three Decades (Khartouran Erg, Sabzevar, NE Iran)," Sustainability, MDPI, vol. 13(16), pages 1-16, August.
    6. Amelia Carolina Sparavigna, 2016. "Analysis of the Motion of Some Brazilian Coastal Dunes," International Journal of Sciences, Office ijSciences, vol. 5(01), pages 22-31, January.
    7. Zakaria Baiz & Khalid Azim & Abdelhak Hamza & Jamila Dahmani & Mohammed Elguilli, 2022. "Effect of Solid Phosphate Sludge Amendments on the Growth of Fruit and Forest Trees in the Nursery," Sustainability, MDPI, vol. 14(24), pages 1-16, December.

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