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Investigation of Sand Drift Potential by Wind (Case Study: Kashan Plain)

    Authors

    • Tayyebeh Mesbahzadeh
    • Hassan Ahmadi
,
10.22059/jrwm.2012.30027
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Abstract

Sand dunes mobility is one of the serious problems in arid regions. Since wind regime is one of the important factors in sand dunes formation, its frequency, direction and magnitude can be effective. Amount of wind energy and its directional variability (wind regime) have significant control on the morphology and maintenance of aeolian landforms. By recognizing of morphometric and morphodynamic characteristics, it is possible to control soil erosion. Thus, statistical analysis of wind data using Tsoar index (sand dunes mobility index) in the study area was considered to understand wind regime role in volume and direction of transported sediments. Sand drift potential amount of the study area is 100.8 v.u. and sand flux is 2.358 m3/m.year resulted from Lettau – Lettau equation. Considering wind erosion power, the study area is in low class based on Fryberger & Dyne (1979) classification. In spring the wind blowing pattern has west direction and is different from other seasons. Also, the most frequency of blowing wind higher than threshold velocity occurs in this season. Unidirectional index value is 0.64 for this region that results formation of transverse dunes (barkhanoid).

Keywords

  • Resultant drift direction
  • Sand drifts potential
  • Sand dune
  • Wind Erosion
  • Wind regime
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Journal of Range and Watershed Managment
Volume 65, Issue 3 - Serial Number 1339231
December 2012
Pages 411-422
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  • PDF 638.05 K
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How to cite
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Statistics
  • Article View: 2,028
  • PDF Download: 1,998

APA

Mesbahzadeh, T., & Ahmadi, H. (2012). Investigation of Sand Drift Potential by Wind (Case Study: Kashan Plain). Journal of Range and Watershed Managment, 65(3), 411-422. doi: 10.22059/jrwm.2012.30027

MLA

Tayyebeh Mesbahzadeh; Hassan Ahmadi. "Investigation of Sand Drift Potential by Wind (Case Study: Kashan Plain)". Journal of Range and Watershed Managment, 65, 3, 2012, 411-422. doi: 10.22059/jrwm.2012.30027

HARVARD

Mesbahzadeh, T., Ahmadi, H. (2012). 'Investigation of Sand Drift Potential by Wind (Case Study: Kashan Plain)', Journal of Range and Watershed Managment, 65(3), pp. 411-422. doi: 10.22059/jrwm.2012.30027

VANCOUVER

Mesbahzadeh, T., Ahmadi, H. Investigation of Sand Drift Potential by Wind (Case Study: Kashan Plain). Journal of Range and Watershed Managment, 2012; 65(3): 411-422. doi: 10.22059/jrwm.2012.30027

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