MUTHANNA JOURNAL OF ENGINEERING AND TECHNOLOGY (MJET) Hydraulic Model Development using HEC-RAS and Determination of Manning Roughness Value for Shatt Al-Rumaith Volume 4, Issue 1, Jul 2016, Pages 09-13  DOI: 10.52113/3/mjet/2016-4-1/09-13 Research Article: Ameera Mohamad Awad* Department of Civil Engineering , College of Engineering , University of Al- Muthanna. E-mail addresses: hudamohammad20@gmail.com   ABSTRACT Selection … Continue reading Hydraulic Model Development using HEC-RAS and Determination of Manning Roughness Value for Shatt Al-Rumaith