July 2020

Influence of bed roughness on near-bed turbulent flow characteristics

Influence of bed roughness on near-bed flow characteristics is of considerable importance, especially in turbulent flows over rough beds. This experimental study is devoted to insight various turbulent flow characteristics such as velocity distributions, Reynolds shear stresses (RSS) and velocity power spectra at the groove, lee and crest level of carrier fluid in an immobile gravel bed stream. Uniform round shape...

Author(s): Ratul Das and  Sinan Nizar  

September 2020

The need for integrated flood management approach from social, economic and environmental perspectives: The case of Upper Awash River Basin

Flooding has been a critical problem in our globe causing huge damage on human lives as well as socio-economic and environmental assets. The upper Awash river basin in Ethiopia, which is the target of this study, is one such region that is affected by recurrent flooding. Thus, there is a need to develop appropriate and sustainable management mechanisms to mitigate flood impacts. An integrated flood management approach...

Author(s): Addisalem Bitew Mitiku, Berhanu Woldyohanes, Sharew Anteneh Mekonnen, Kirubeal Mekonnen and Abel Tadesse