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Simulating discharge and sediment production using SWAT in Chehelchai Watershed of Golestan Province

    Authors

    • Akram Arefi Asl 1
    • Ali Najafinejad 2
    • Farshad Kiani 3
    • Abdolrassoul Salmanmahiny 4

    1 M.Sc. Postgraduate, Gorgan University of Agricultural Sci. & Natural Resources, Gorgan, Iran

    2 Assistant professor, Watershed management department, Gorgan University of agricultural sciences and natural resources, Gorgan, Iran

    3 Assistant professor, Soil sciences department, Gorgan University of agricultural sciences and natural resources, Gorgan, Iran

    4 Associate Professor of Environmental Sciences, Gorgan University of Agricultural Sci. & Natural Resources

,

Document Type : Research Paper

10.22059/jrwm.2013.36518
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Abstract

Runoff and sediment measurement is difficult in mountain watershed because of many different problems such as time and financial limitations. So using simulation model is necessary in this regard. Accuracy and precision evaluation of models for different watershed of Iran is necessary. The aim of this study was the evaluation of SWAT model efficiency in simulation of runoff and sediment yield in Chelchay watershed in Golestan province, Iran and also calibration and validation of SWAT. SUFI2 algorithm was used for calibration and validation. Nash-Sutcliff for calibration period (2001-2005) and validation period (2006-2009) for average daily discharge was 0.5 and 0.4 respectively and for sediment concentration was 0.71 and 0.92 that is good according to past research results. Because SWAT is complex and integrated model and can be used as a management tool in watershed management so it is suggested that it would be used for evaluation of management activities effects in Chelchay watershed.

Keywords

  • calibration
  • Chehelchai watershed in Golestan province
  • SWAT
  • SUFI2
  • validation
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Journal of Range and Watershed Managment
Volume 66, Issue 3 - Serial Number 3
November 2013
Pages 433-446
Files
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  • PDF 1.68 M
History
  • Receive Date: 10 April 2012
  • Revise Date: 11 December 2013
  • Accept Date: 12 March 2013
  • First Publish Date: 23 October 2013
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How to cite
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  • Mendeley
  • BibTeX
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Statistics
  • Article View: 3,143
  • PDF Download: 1,552

APA

Arefi Asl, A., Najafinejad, A., Kiani, F., & Salmanmahiny, A. (2013). Simulating discharge and sediment production using SWAT in Chehelchai Watershed of Golestan Province. Journal of Range and Watershed Managment, 66(3), 433-446. doi: 10.22059/jrwm.2013.36518

MLA

Akram Arefi Asl; Ali Najafinejad; Farshad Kiani; Abdolrassoul Salmanmahiny. "Simulating discharge and sediment production using SWAT in Chehelchai Watershed of Golestan Province". Journal of Range and Watershed Managment, 66, 3, 2013, 433-446. doi: 10.22059/jrwm.2013.36518

HARVARD

Arefi Asl, A., Najafinejad, A., Kiani, F., Salmanmahiny, A. (2013). 'Simulating discharge and sediment production using SWAT in Chehelchai Watershed of Golestan Province', Journal of Range and Watershed Managment, 66(3), pp. 433-446. doi: 10.22059/jrwm.2013.36518

VANCOUVER

Arefi Asl, A., Najafinejad, A., Kiani, F., Salmanmahiny, A. Simulating discharge and sediment production using SWAT in Chehelchai Watershed of Golestan Province. Journal of Range and Watershed Managment, 2013; 66(3): 433-446. doi: 10.22059/jrwm.2013.36518

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