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thesis: Recent submissions

Now showing items 21-40 of 73

Applicability of Hec-Ras Model on Prediction of Sediment Distribution in Reservoirs Case Study of Koga Resrvior, Ethiopia

Tesfa, Worku (2020-03)

Since the rivers are the main basic and accessible resource of water for miscellaneous uses, the erosion and Sedimentation condition of rivers are of a great deal of importance. Koga River has a considerable interest because ...
Investigation of Reservoir Sedimentation and Soil Loss Estimation Using Bathymetry Survey and Rusel Model: A Case Study of Legemera Micro Earth Dam

Zeleke, Tameru (2019-09)

Construction of dams causes reduced ﬂow velocities, inducing gradual deposition of sediments carried by the inﬂowing stream, and resulting in sedimentation and ultimately diminishing reservoir storage capacity. This study ...
Potential Soil Loss Estimation Using RUSLE and MCDE Model for conservation planning at the watershed level: In Gilegel Beles watershed, Abbay Basin, Ethiopia.

Tamene, Nega (2019-10)

Soil loss by rainfall/runoff is danger and continuous ecological problem in Gilgel Beles watershed. Over the years various soil erosion researches have been conducted in upper Abbay river basin. These researches reason out ...
Sedimentation Management in Small Scale Irrigation Using HEC-RAS Model: - A Case Study on Bebeks Irrigation Canal, Ethiopia

Salih, Muhammed (2019-12)

All rivers and canals conveying water contain eroded sediments. Increase of soil erosion due to Catchment degradation especially in developing countries has resulted into increased siltation Problems in rivers and canals. ...
Assessment of Micro to Medium Scale Hydropower potential Sites in Abay River at Outlet of Kessie

Hunie, Melaku (2019-09)

Energy crisis has emerged as a serious issue in developing countries. Identification and utilization of new renewable energy resources site is of crucial importance to reduce the energy shortage and fossil fuel dependency ...
Reservoir Sedimentation And Estimation Of Watershed Sediment Yield To Small Reservoir; In Abrajit Micro Earth Dam, East Gojjam, Ethiopia

Shiferaw, Mekash (2019-10)

In Ethiopia, dams are adversely severed by sedimentation due to soil erosion from the watershed area. This specific study was conducted on Abrajit reservoir in east Gojjam, Amhara region, Ethiopia. The general objective ...
Identifying Soil Erosion Hotspot Area Using GIS and MCDA Techniques, Case Study of Dengora and Meno Watersheds in Belesa Woredas, Amhara Region, Ethiopia

Munye, Kefale (2020-03)

In Ethiopia soil erosion and land degradation has become a key issue, because of roughed and steep slope topography that soil erosion become accelerating. The main objective of this study viii was to identify ...
Assessment of Micro to Small Hydropower Potential Site (A Case Study On Chemoga River, Upper Blue Nile, Ethiopia)

Wube, Getenet (2019-09)

Energy crisis has emerged as a serious issue all over the world due to rapid increase of the population, socio economic development, living standards with the fast growing of industry. Ethiopia facing similar crises that ...
Evaluating the Impact of Climate Change on the Extreme Flow: in Didessa Sub Basin, Blue Nile Basin, Ethiopia

Bereded, Getachew (2019-02)

Understanding hydrological characteristics of climate change in Ethiopian highlands have a significance impact on water management practice. Due to climate change and variability, there was an increase in severity ...
Performance Evaluation of Geray Rehabilitation Small Scale Irrigation Scheme Bluenile Basin

Leyekun, Demelash (2019-06)

In order to secure and sustain food security in Ethiopia the government is undergoing large- and small-scale schemes all over the country. However, some of the schemes are working under desired performance. Hence Irrigation ...
Analysis of planform changes of lower reach of Gilgel Abay River Upper Blue Nile Basin, Ethiopia using Remote Sensing and GIS approach

Atile, Bogale (2020-03)

Fluvial planform change is the process of formation and development of new feature or reshaping of existed features by the flowing water in river system. The aim of this study was to identify, quantify and map the lower ...
Evaluating the Response of Swat and Hbv Models to Estimate Stream Flow in Upper Blue Nile Basin, Ethiopia

Birhanu, Belay (2019-09)

The research was aimed to evaluate the response of SWAT and HBV models to estimate stream flow in upper Blue Nile basin, Ethiopia. The evaluation was carried out through simulation of runoff in Blue Nile basin, particulary,Gilgel ...
Estimation Of Spatially Distributed Peak Flood Events In The Upper Blue Nile Basins A Case Study On Gilgel_Abay, Rib And Gumara Sub Basins

Wagaw, Astatikachew (2019-09)

This study presents the assessment and prediction of spatially distributed peak flood events for 5, 25 and 100 years of return periods through the integrated application of modified rational method, Geo statistics and ...
Evaluation and cost comparison of I-girder Composite Bridge with Reinforced Concrete

Abebe, Wollelaw (2020-03-19)

The different weather condition and the terrain of Ethiopia need a number of bridges to be constructed for every km length of the roads. Considering the nature of this need and construction of new roads, the Ethiopian ...
Evaluation of Rural Water Supply Sustainability In Amhara Sayint Woreda, South Wollo Zone, Amhara National Regional State, Ethiopia

Akalnew, Tesfaw (2020-03-19)

Safe, adequate water supply is the basic needs, and essential for the socioeconomic development of a given society. However, majority of the people in the Amhara Sayint Woreda rural settings still did not have access to ...
ASSESSMENTSOF IMPACT OF CLIMATE CHANGE ON SEDIMENT YIELD OF BIRR WATERSHED, UPPER BLUE NILE BASIN, ETHIOPIA

Wale, Tayachew (2020-03-19)

Soil Water Assessment Tool (SWAT) a physically-based distributed hydrological model, it was used to simulate the baseline and future hydrological conditions. The results indicated that the SWAT model has good performance ...
EFFECTS OF SOIL AND WATER CONSERVATION PRACTICES ON HYDROLOGICAL RESPONSES IN ALEKT WENZ WATERSHED NORTHWESTERN ETHIOPIAN HIGHLAND.

Birihan, Simir (2020-03-19)

Land degradation by soil erosion and its induced threat is a serious problem in the world specifically in northwestern Ethiopian highland. To control this adverse impact different soil and water conservation (SWC) practices ...
Impact of land use and landscape on runoff and sediment in the sub-humid Ethiopian highlands: the Ene-chilala watershed

Hailu, Nigus (2020-03-19)

Land cover and landscape determines runoff and sediment in watershed hydrology. The effect of land cover and landscape on runoff and sediment yield was evaluated in three small watersheds in the Enechilala watershed, found ...
Evaluating water productivity and crop coefficients of Cabbage crops under conservation agriculture with drip irrigation system in Robit kebele

Fentahun, Negus (2020-03-19)

Water is scarce resource and growing competition for water will reduce its availabilities for irrigation. At the same time, the need to meet the growing demand for food is production using less water. In areas where crops ...
Evaluation of irrigation scheduling strategies on partial nutrient balance for tomato production in Robit Bata study site’

Gedfew, Muluye (2020-03-19)

In Sub-Saharan Africa small scale irrigation is developing rapidly. Whilst emphasis is mainly placed on water resource availability and access for irrigation, less attention is paid to the interaction of water management ...

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