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Calibrating the Experimental Area Reduction Method in Assessing the Distribution of Sediments in Droodzan Reservoir Dam in Iran Original Article, D9 Gharaghezlou M., Masoudian M. and Fendereski R Journal. Civil Eng. Urban. 4(1): 54-58. 2014 ABSTRACT:The experimental area reduction method is a technique for predicting sediment distribution in dam's reservoir and its parameters (C, m, n) have been obtained by Borland and Miller on the information from a limited number of dams in America. These coefficients can be calibrated for any other reservoirs if there is hydrographic information from the reservoir and then more accurate coefficients can be produced for predictions and programs for water sources. In this research, is employed the primary and secondary hydrographic data of the reservoir to calibrate the area reduction coefficients for Droodzan reservoir. Therefore in utilizing these parameters, the sediment distribution has been predicted in the following years. The result demonstrates that calibrated parameters make 30% reduction on the amount of errors in predicting sediment distribution. Keywords:Reservoir Sedimentation, Area Reduction Method, Droodzan Dam منبع: [Hidden Content] دانلود: [Hidden Content].,14-09-54-58.pdf J. Civil Eng. Urban.,14-09-54-58.pdf