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Comparative Study on the Role of Land Use in Surface Runoff and Sediment Yield Using SWAT Model (A Case Syudy: Beheshtabad Watershed)

    Authors

    • Delaram Ziaei 1
    • Rafat Zare Bidaki
    • Aliasghar Besalatpour 2

    1 rangeland and watershed management Department, Natural Resources and Earth Sciences Faculty, Shahrekord University/ Shahrekord, Iran

    2 Soil science department, Agriculture faculty, Vali Asr University, Rafsanjan, Iran

,

Document Type : Research Paper

10.22059/jrwm.2019.232521.1118
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Abstract

Knowing the amount of runoff and sediment generated from different lands is an important step in land use management. Since it is not always possible to measure these values, modeling parameters, will be a way to achieve watershed comprehensive management. Beheshtabad watershed in Chaharmahal & Bakhtiari province with different land uses such as range land, agriculture, gardens and urban area is an important part of Northern Karun Basin. In order to simulate the amount of runoff and sediment generated in different land uses, SWAT model was used. Discharge and sediment data of weather and hydrometric stations located in the area was used for sensitivity analyses and then to calibrate and validate model by SUFI-2 algorithm. NS and R² coefficients obtained for runoff calibration are respectively 0.69, 0.71 and for runoff validation are 0.65, 0.67 and for sediment are 0.72, 0.73 in calibration, and 0.66, 0.71 in validation, that confirmed model ability to accurately estimate of flow, runoff and sediment in the study area. The results showed that dry farming lands with average runoff and sediment of 190 mm, 24.5 tons per hectare per year respectively, has the highest and gardens with an average of 80 mm runoff has the lowest sediment yield of 1.63 tons per hectare in the year.

Keywords

  • Erosion
  • Sensitivity Analysis
  • Land use Management
  • Chaharmahal and Bakhtyari Province
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Journal of Range and Watershed Managment
Volume 72, Issue 3
December 2019
Pages 785-799
Files
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  • PDF 1.78 M
History
  • Receive Date: 03 May 2017
  • Revise Date: 26 December 2017
  • Accept Date: 23 September 2019
  • First Publish Date: 22 November 2019
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Statistics
  • Article View: 220
  • PDF Download: 159

APA

Ziaei, D., Zare Bidaki, R., & Besalatpour, A. (2019). Comparative Study on the Role of Land Use in Surface Runoff and Sediment Yield Using SWAT Model (A Case Syudy: Beheshtabad Watershed). Journal of Range and Watershed Managment, 72(3), 785-799. doi: 10.22059/jrwm.2019.232521.1118

MLA

Delaram Ziaei; Rafat Zare Bidaki; Aliasghar Besalatpour. "Comparative Study on the Role of Land Use in Surface Runoff and Sediment Yield Using SWAT Model (A Case Syudy: Beheshtabad Watershed)". Journal of Range and Watershed Managment, 72, 3, 2019, 785-799. doi: 10.22059/jrwm.2019.232521.1118

HARVARD

Ziaei, D., Zare Bidaki, R., Besalatpour, A. (2019). 'Comparative Study on the Role of Land Use in Surface Runoff and Sediment Yield Using SWAT Model (A Case Syudy: Beheshtabad Watershed)', Journal of Range and Watershed Managment, 72(3), pp. 785-799. doi: 10.22059/jrwm.2019.232521.1118

VANCOUVER

Ziaei, D., Zare Bidaki, R., Besalatpour, A. Comparative Study on the Role of Land Use in Surface Runoff and Sediment Yield Using SWAT Model (A Case Syudy: Beheshtabad Watershed). Journal of Range and Watershed Managment, 2019; 72(3): 785-799. doi: 10.22059/jrwm.2019.232521.1118

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