Evaluation of the transfer function method in the flood routing of the river reaches

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Chabokpour Jafar; ZABIHI MOHAMMAD

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Paper Information

Journal: JOURNAL OF HYDRAULICS Year:2019 | Volume:14 | Issue:2 (142) Page(s): 145-158

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Title

Evaluation of the transfer function method in the flood routing of the river reaches

Author(s)

Chabokpour Jafar | ZABIHI MOHAMMAD | Issue Writer Certificate

Keywords

Transfer functionQ2

Flood routingQ2

River reachQ1

CAPTAIN toolboxQ1

Abstract

Application of simple and accurate routing models in the flood warning systems increases their capabilities. In the present study, it is attempted to fulfil the Flood routing using ADZ model with its discrete time form, named Transfer function in the three River reaches which are located between six hydrometric stations along the ZARINE and SIMINEH streams. In the reach routing, daily discharges during 15 years (2001-2015) have been employed. Firstly, the numbers of the numerator and denominator terms have been obtained. These parameters are giving the numbers of the subzones in every River reaches and also the conditions of the connections (series or parallel). The results revealed that only one sub reach for every river. Due to this fact, no more analysis of the connection conditions has been done. After that, the values of the Transfer function coefficients have been derived using micro CAPTAIN toolbox. The statistical parameters of the mentioned toolbox as ((YIC), (Rt2), and (EVN) for the reaches of the DASHBAND BOUKAN-BOUKAN bridge, ALASAGGAL-SAFAKHANEH, and GESHLAGH bridge-ANIAN bridge have been determined as triple sets of (-5. 241, 0. 879,-10. 86), (-3. 954, 0. 903,-9. 43), and (-2. 792, 0. 920,-8. 139), respectively. The outcomes exhibited a right corresponding between the theoretical graphs, obtained with the Transfer function, and observed discharges. The Transfer function method is more straightforward rather than the other accurate available methods of Flood routing like fully Saint-Venant equations. Therefore, it can be used as an efficient method in the Flood routing in the River reaches.

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APA: Copy

Chabokpour, Jafar, & ZABIHI, MOHAMMAD. (2019). Evaluation of the transfer function method in the flood routing of the river reaches. JOURNAL OF HYDRAULICS, 14(2 (142) ), 145-158. SID. https://sid.ir/paper/124175/en

Vancouver: Copy

Chabokpour Jafar, ZABIHI MOHAMMAD. Evaluation of the transfer function method in the flood routing of the river reaches. JOURNAL OF HYDRAULICS[Internet]. 2019;14(2 (142) ):145-158. Available from: https://sid.ir/paper/124175/en

IEEE: Copy

Jafar Chabokpour, and MOHAMMAD ZABIHI, “Evaluation of the transfer function method in the flood routing of the river reaches,” JOURNAL OF HYDRAULICS, vol. 14, no. 2 (142) , pp. 145–158, 2019, [Online]. Available: https://sid.ir/paper/124175/en

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