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Modelling of forest road sediment in the northern forest of Iran (Lomir Watershed)

Author

Listed:
  • P. Dalir

    (Department of Forestry, Faculty of Natural Resources, University of Guilan, Somehsara, Iran)

  • R. Naghdi

    (Department of Forestry, Faculty of Natural Resources, University of Guilan, Somehsara, Iran)

  • V. Gholami

    (Department of Range and Watershed Management, Faculty of Natural Resources, University of Guilan, Somehsara, Iran)

Abstract

Forest roads are the most important ways of access; nevertheless, they are the main source of sediment production. The delivered sediment by forest roads causes environmental problems and pollution of water resources. This study has been done to present a model for estimating the sediment yield of forest road using a multiple regression analysis on the Caspian southern coasts (north of Iran, Lomir watershed). For this purpose, 45 wood dams were created and their sediment volume (dependent variable) was measured. The following independent variables were estimated: road length, road width, road slope, vegetation cover, height of cut slope and road age. Then, a regression analysis was done using SPSS software to present a linear model. In the next step, the accuracy and capability of the presented model were considered and validated using the model for estimating the wood dam sediment. The results showed that road length and road width have significant effects in sediment generation. Also, the presented model can estimate the forest road sediment in northern Iran.

Suggested Citation

  • P. Dalir & R. Naghdi & V. Gholami, 2014. "Modelling of forest road sediment in the northern forest of Iran (Lomir Watershed)," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 60(3), pages 109-114.
    • Handle: RePEc:caa:jnljfs:v:60:y:2014:i:3:id:91-2013-jfs
    DOI: 10.17221/91/2013-JFS
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    References listed on IDEAS

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    1. Vahid GHOLAMI & Mohamad Reza KHALEGHI, 2013. "The impact of vegetation on the bank erosion (Case study: The Haraz River)," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 8(4), pages 158-164.
    2. Esmaeili Hoseen GHOLZOM & Vahid GHOLAMI, 2012. "A comparison between natural forests and reforested lands in terms of runoff generation potential and hydrologic response (case study: Kasilian Watershed)," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 7(4), pages 166-173.
    3. Fu, B. & Newham, L.T.H. & Field, J.B., 2009. "Modelling erosion and sediment delivery from unsealed roads in southeast Australia," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 79(9), pages 2679-2688.
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    Cited by:

    1. Vahid Gholami, 2022. "Prediction of flood discharge and flood flow depth using a hydraulic model and flood marks on the trees in ungauged forested watersheds," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 68(5), pages 190-198.

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