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Performance of rangeland hydrology and erosion model for estimating sediment yield on rangeland’s hill slopes in dry regions (A Case study: Shahid Noori watershed, Khorasan Razavy)

    Authors

    • Ali Golkarian 1
    • Davoud Davoudi Moghaddam 2
    • Seyed Amir Naghibi 2
    • Masoud Eshghizadeh 3

    1 Assistant Prof., College of Natural Resources and Environmental studies, Ferdowsi University of Mashhad

    2 M.Sc. Student, College of Natural Resources and Marine Sciences, Tarbiat Modares University

    3 Ph. D. Student, Faculty of Natural resources and Desert Studies, University of Yazd, I.R. Iran

,

Document Type : Research Paper

10.22059/jrwm.2013.36520
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Abstract

Soil erosion is undoubtedly one of the most important problems in natural areas and has a devastating impact on grassland ecosystems. The present study was conducted to assess the ability of Rangeland Hydrology and Erosion Model for estimating sediment yield on rangeland’s hill slopes in dry regions at Shahid Noori paired watershed of Kakhk. RHEM is a mathematical, distribution and physical model that is capable to simulate hydrological and erosional processes with climatic data and hill slope’s characteristics. Measuring of sediment yield performed on 18 erosion plots in both disturbed and undisturbed rangeland conditions. In order to implement the model, the parameters of climate, soil texture, slope length, slope steepness, canopy cover and ground cover were measured and entered into the model to estimate amount of runoff and sediment yield in each year. The analysis showed no significant difference between observed and estimated values at 5% level in both all erosion plots and the average of measured values of all three different aspects. The results indicate that the model is capable to determine the quantity effects of rangeland conservation practices in hydrological and soil erosion processes. Overall, the present study suggested good potential for application of the model in the same rangelands of dry regions.
 

Keywords

  • dry regions
  • erosion plot
  • Kakhk
  • RHEM
  • Runoff
  • Sediment
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Journal of Range and Watershed Managment
Volume 66, Issue 3 - Serial Number 3
November 2013
Pages 457-467
Files
  • XML
  • PDF 1.34 M
History
  • Receive Date: 06 April 2013
  • Revise Date: 14 November 2013
  • Accept Date: 09 June 2013
  • First Publish Date: 23 October 2013
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How to cite
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  • Article View: 3,150
  • PDF Download: 1,455

APA

Golkarian, A., Davoudi Moghaddam, D., Naghibi, S. A., & Eshghizadeh, M. (2013). Performance of rangeland hydrology and erosion model for estimating sediment yield on rangeland’s hill slopes in dry regions (A Case study: Shahid Noori watershed, Khorasan Razavy). Journal of Range and Watershed Managment, 66(3), 457-467. doi: 10.22059/jrwm.2013.36520

MLA

Ali Golkarian; Davoud Davoudi Moghaddam; Seyed Amir Naghibi; Masoud Eshghizadeh. "Performance of rangeland hydrology and erosion model for estimating sediment yield on rangeland’s hill slopes in dry regions (A Case study: Shahid Noori watershed, Khorasan Razavy)". Journal of Range and Watershed Managment, 66, 3, 2013, 457-467. doi: 10.22059/jrwm.2013.36520

HARVARD

Golkarian, A., Davoudi Moghaddam, D., Naghibi, S. A., Eshghizadeh, M. (2013). 'Performance of rangeland hydrology and erosion model for estimating sediment yield on rangeland’s hill slopes in dry regions (A Case study: Shahid Noori watershed, Khorasan Razavy)', Journal of Range and Watershed Managment, 66(3), pp. 457-467. doi: 10.22059/jrwm.2013.36520

VANCOUVER

Golkarian, A., Davoudi Moghaddam, D., Naghibi, S. A., Eshghizadeh, M. Performance of rangeland hydrology and erosion model for estimating sediment yield on rangeland’s hill slopes in dry regions (A Case study: Shahid Noori watershed, Khorasan Razavy). Journal of Range and Watershed Managment, 2013; 66(3): 457-467. doi: 10.22059/jrwm.2013.36520

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