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Spatial Variation of Bedload Shape Characteristic towards Downstream )Case Study: Ghalesar Watershed, Sari(

    Authors

    • Ataolah Kavian 1
    • Fatemeh Adineh 2
    • Gorban Vahabzadeh 1
    • Abdolvahed Khaledi Darvishan 3

    1 Assistant Professor, College of Natural Resources, Sari Agricultural Sciences and Natural Resources University

    2 M.Sc, Watershed Management Engineering, College of Natural Resources, Sari Agricultural Sciences and Natural Resources University

    3 Assistant Professor, College of Natural Resources, Tarbiat Modarres University

,

Document Type : Research Paper

10.22059/jrwm.2013.35334
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Abstract

Investigating downstream changes in bed load shape can be useful to detect watershed
hydrological processes and it is very important to design hydraulic structures and to manage
capacity of large storage dams, properly. Regarding to doing of enforcement studies, this
research was conducted in Qalesar River in upstream of Chahardangeh watershed in Mazandaran
Province. After recognition of the study area, 6 sections were selected towards downstream
for bed load sampling. Laboratory analysis were done to measure and calculate some bed
load shape characteristics including skewness, kurtosis, mean, mode, percent of sand, fine
gravel, silt and clay, sediment texture, small, medium and large diameters, nominal diameter,
sphericity, rounding, width ratio, shape factor and D10, D50 and D90. Results indicated a
decreasing trend in shape factor and sphericity, an increasing trend in mean diameters and
roundness, a complex trend in width ratio and a uniform trend in 3 axes. Our finding also
indicated that this variations may be affected by physiographic, lithologic and geotechnical
characteristics of the study area.

Keywords

  • Bed Load
  • characteristics
  • downstream changes
  • morphometric Mazandaran province
  • Iran
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Journal of Range and Watershed Managment
Volume 66, Issue 1 - Serial Number 1
April 2013
Pages 131-144
Files
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  • PDF 1.48 M
History
  • Receive Date: 07 March 2011
  • Revise Date: 21 July 2013
  • Accept Date: 16 October 2012
  • First Publish Date: 21 March 2013
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How to cite
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Statistics
  • Article View: 2,876
  • PDF Download: 2,562

APA

Kavian, A., Adineh, F., Vahabzadeh, G., & Khaledi Darvishan, A. (2013). Spatial Variation of Bedload Shape Characteristic towards Downstream )Case Study: Ghalesar Watershed, Sari(. Journal of Range and Watershed Managment, 66(1), 131-144. doi: 10.22059/jrwm.2013.35334

MLA

Ataolah Kavian; Fatemeh Adineh; Gorban Vahabzadeh; Abdolvahed Khaledi Darvishan. "Spatial Variation of Bedload Shape Characteristic towards Downstream )Case Study: Ghalesar Watershed, Sari(". Journal of Range and Watershed Managment, 66, 1, 2013, 131-144. doi: 10.22059/jrwm.2013.35334

HARVARD

Kavian, A., Adineh, F., Vahabzadeh, G., Khaledi Darvishan, A. (2013). 'Spatial Variation of Bedload Shape Characteristic towards Downstream )Case Study: Ghalesar Watershed, Sari(', Journal of Range and Watershed Managment, 66(1), pp. 131-144. doi: 10.22059/jrwm.2013.35334

VANCOUVER

Kavian, A., Adineh, F., Vahabzadeh, G., Khaledi Darvishan, A. Spatial Variation of Bedload Shape Characteristic towards Downstream )Case Study: Ghalesar Watershed, Sari(. Journal of Range and Watershed Managment, 2013; 66(1): 131-144. doi: 10.22059/jrwm.2013.35334

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