:: Volume 30, Issue 2 (2015) ::
geores 2015, 30(2): 227-242 Back to browse issues page
The Comparison of EPM and CSY Methods in Estimation of Erosion and Sediment Yield in Arid and Semi-arid Regions: Shirindarreh Basin, Bojnourd,North Khorasan Province, Iran
Farid Faridani Bardaskan 1, Alireza Zareei2, Alireza Farid Hosseini3, Amin Alizadeh3
1- Irrigation and Drainage, Ferdousi University of Mashhad,Mashhad,Iran , farid_faridani@yahoo.com
2- Toosab Consultant Company,Mashhad,Iran
3- Irrigation and Drainage, Ferdousi University of Mashhad,Mashhad,Iran
Abstract:   (1122 Views)
Soil erosion is the most important threat to the soil and water resources among the soil degradation processes in arid and semi-arid regions. This study was conducted in Shirindarreh Basin, a semi-arid region in north-eastern Iran, to evaluate the performance of Erosion Potential Method (EPM) and Hydro-physical method (CSY) in generating erosion potential and sediment load maps via geographic information system (GIS). The data used in this study were derived from topography maps, Land-sat ETM+ images, aerial pictures and meteorological data. Soil erosion was evaluated by means of classified factors in EPM and CSY methods. In the end, the results showed that regions with heavy and severe erosion potential, possessed geological formations such as: Sar-Cheshmeh (Ksr), Sanganeh (Ksn), and Quaternary Alluvial (Q).Moreover, the results showed that the east wing of Shirindarreh Basin produces the major part of sediment load. It is highly recommended to perform soil conservation operations in the eastern parts of Shirindarreh basin.
Keywords: CSY, Erosion and Sedimentation, EPM, GIS, Shirindarreh Basin.
     
Article Type: Original Research | Subject: Special
Received: 2018/11/12 | Accepted: 2018/11/12 | Published: 2018/11/12


XML   Persian Abstract   Print



Volume 30, Issue 2 (2015) Back to browse issues page