Evaluation of hydraulic performance on Lower Areb small-scale irrigation scheme Amhara, Ethiopia

This study was conducted in the Lower Areb small-scale irrigation scheme for one crop season from March to May 2018 evaluate hydraulic performance of by estimating indicators, physical and maintenance indicators. The primary data, including water flow rate, soil properties, infiltration, were collected. secondary data collected climatic, different reports design documents users' interviews. evaluated adequacy, efficiency, dependability, equity indicators at nine selected offtakes; three each head, middle, tail reaches scheme. determined using ratio, sustainability irrigated area, effectiveness infrastructure, surface elevation ratio. analyzed CROPWAT 8.0, ARC GIS 10.1 software, Microsoft Excel 2013. overall average values found be 0.89, 0.91, 0.096, 0.07, respectively. Therefore, equity, efficiency under good condition adequacy fair condition. ratio areas 54% 123%, infrastructure ratios 73.33% 94%,