An aeolian transport model for flat shifting sand fields under dynamic-limiting conditions

  • Dong Z
  • Zhang Z
  • Lü P
 et al. 
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Abstract

Estimating aeolian transport rates in the field is a difficult task even though various transport equations have been proposed. In this study, we used 5 years of field data on aeolian transport from an experimental plot for aeolian research located in the southeastern Tengger Desert to develop a practical aeolian transport equation capable of estimating transport rates in flat shifting sand fields. The resulting equation relates transport to the average wind velocity during a given period through a modified power function. The transport rate increases linearly with the cube of the average wind velocity. The equation can be generalized rate to a form that contains a proportionality coefficient and a threshold average wind velocity. The proposed model has an advantage over previous models in that it is based on a much larger sample size and corrected to account for variability in wind direction, sampling efficiency, and the height of the wind measurements. © 2011 Elsevier Ltd.

Author-supplied keywords

  • Dynamic-limiting model
  • Sediment transport rate
  • Wind erosion

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Authors

  • Z. Dong

  • Z. Zhang

  • P. Lü

  • G. Qian

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