TY - JOUR ID - TI - A Hydraulic Model for Identification of Surface Friction Coefficient for Euphrates River within Al Muthanna Governorate, Iraq AU - Hussein M. Ashour Al. Khuzaie حسين منديل عاشور الخزاعي AU - Ameera Mohamad Awad اميرة محمد عواد AU - Mohammed Fadhil Abbas محمد فاضل عباس PY - 2018 VL - 6 IS - 2 SP - 160 EP - 168 JO - Muthanna Journal of Engineering and Technology(MJET) مجلة المثنى للهندسة والتكنولوجيا SN - 25720317 25720325 AB - This study presents results of a developed hydraulic model to the surface friction roughness (Manning's coefficient) for the Euphrates River along 110 km within Al Muthanna Governorate, Iraq. Hydraulic modeling was used a tool for determination of surface friction coefficient. A typical value of surface friction roughness for open natural channels ranges between 0.025 to 0.04 was used as an initial input data for HECRAS hydraulic model. while in this study the calculated value of the surface roughness was compared with those observed and it was found to be in best agreement with the modeled when using value is 0.04.

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