Journal of Earth Science Research
Journal of Earth Science Research(JESR)
ISSN:2330-1740(Print)
ISSN:2330-1759(Online)
Frequency: Annually
Website: www.bowenpublishing.com/jesr/
A GIS-based USLE Model to Estimate Soil Loss Potential of Arid Lands of Southern Iran
Abstract:
Soil loss is an accelerating event in semi-arid regions. As an empirical model, USLE is useful for predicting the average annual rate of erosion, based on annual rainfall pattern, terrain relief, soil characteristics and land management practices. The objective is to use a GIS-based USLE for a 19000 ha watershed, Fars province, Iran. The model parameters were produced using GIS modeling and remote sensing techniques, as inputs of a vector GIS. Averaging method is used to calculate final scores for each polygon, then the watershed was classified into 6 clusters of land units, including 23 soil loss classes. Map of soil loss potential was produced for the watershed, finally, indicating areas, sensitive for a high soil loss in future. It is helpful for developing a better plan to prevent sever soil losses. Besides, the GIS-based USLE is simple and requires few data to be run.
Keywords:Soil Loss; USLE; GIS; Arid Lands; Iran
Author: Hossein Ahani,Seyed Rashid Fallah Shamsi,Majid Baghernejad

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