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International Journal of Material Science Innovations
IJMSI 2014, 2(2), 29-36
Sensitivity analysis of effective factor on sediment production in order to environmental management
a Department of Rehabilitation of Arid and Mountainous Regions, University of Tehran.
b Islamic Azad University, science and research Branch.
ABSTRACT
In many parts of the world, soil erosion and production sediment affects the stability of ecosystems, often causing irreversible land degradation.The most important concern of related engineers and executive experts is selection effective variable that that mobilize a lot of sediment. In this study, about twenty characteristics of each sub-basin include physiographic, climatologic, hydrologic, and geologic and vegetation cover, were considered. The First, using principal component analysis (PCA) the influential factors was determined which have great influences on erosion process and sediment production. Finally, DEFINITE software package was used has been developed to improve the quality of environmental decision making for estimating of effective factor on sediment production. Results showed that peak flood index is the most effective and significant and there is much sensitivity to Sediment Production in the region.