Stream flow Simulation and Synthetic Flow Calculation by Modified Thomas Fiering Model
AL-Rafdain Engineering Journal (AREJ),
Volume 20, Issue 4, Pages 118-127
In this paper , Thomas-Fiering T-F model was used twice for simulation of Khassa Chi river in Kirkuk city by using historical monthly stream flow sequences for a period (1941-2001) . A modification to Thomas-Fiering model was done by extracting the persistency from the monthly flow values of Khassa Chi river and including the regression values between the monthly values of the flow without persistence. It was concluded that Thomas-Fiering model is very suitable to simulate Khassa Chi behavior. The modified model MT-F was more capable to reverse the monthly and annual statistical parameters especially the monthly and annual standard deviation and it was more sensitive in reversing the drought times which reflects its capability in other simulation operations for variables which are suffering from drought times.
Key words :Thomas-Fiering , Persistence Simulation
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