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Watershed scale hydrological and biogeochemical models rely on the correct spatial-temporal prediction of processes governing water and contaminant movement. The Soil and Water Assessment Tool (SWAT) model, one of the most commonly used watershed scale models, uses the popular curve number (CN) m...


White, E.D.Easton, Z.M.Fuka, D.R.Collick, A.S.Adgo, E.McCartney, Matthew P.Awulachew, Seleshi BekeleSelassie, Y.G.Steenhuis, Tammo S.[Development and application of a physically based landscape water balance in the SWAT model]Development and application of a physically based landscape water balance in the SWAT model

Rehabilitation of large valley bottom gullies in developing countries is hampered by high cost. Stopping head cuts at the time of initiation will prevent large gullies from forming and is affordable. However, research on practices to control shallow gully heads with local materials is limited. Th...


Addisie, Meseret B.Langendoen, E.J.Aynalem, D.W.Ayele, Getaneh K.Tilahun, S.A.Schmitter, PetraMekuria, WoldeMoges, M.M.Steenhuis, Tammo S.[Assessment of practices for controlling shallow valley-bottom gullies in the sub-humid Ethiopian Highlands]Assessment of practices for controlling shallow valley-bottom gullies in the sub-humid Ethiopian Highlands

Land use and management affects runoff and soil loss from a catchment. The present study investigated the effects of land use on runoff and suspended sediment concentration and yield in the northwestern Ethiopia. We selected two small catchments: cultivated land and grassland dominated catchments...


Dagnew, D.C.Guzmán, C.D.Akal, Adugnaw T.Tebebu, T.Y.Zegeye, Assefa D.Mekuria, Wolde M.Tilahun, Seifu A.Steenhuis, Tammo S.[Effects of land use on catchment runoff and soil loss in the sub-humid Ethiopian highlands]Effects of land use on catchment runoff and soil loss in the sub-humid Ethiopian highlands

The Ethiopian government has been implementing a land restoration program that aimed to restore degraded ecosystems and double agricultural productivity throughout the country since 2010. However, the success of the restoration program has been limited due to the lack of integrating gully erosion...


Zegeye, Assefa D.Steenhuis, Tammo S.Mekuria, Wolde M.Dagnaw, D.C.Addisse, M.B.Tilahun, Seifu A.Kasse, T.A.[Effect of gully headcut treatment on sediment load and gully expansion in the sub humid Ethiopian Highlands]Effect of gully headcut treatment on sediment load and gully expansion in the sub humid Ethiopian Highlands

Purpose - Agricultural intensification to meet the food needs of the rapidly growing population in developing countries affects water quality. In regions such as the Lake Tana basin, knowledge is lacking on measures to reduce non-point source pollutants in humid tropical monsoon climates. The aim...


Moges, M.A.Schmitter, Petra S.Tilahun, Seifu A.Steenhuis, Tammo S.[Watershed modeling for reducing future non-point source sediment and phosphorus load in the Lake Tana Basin, Ethiopia]Watershed modeling for reducing future non-point source sediment and phosphorus load in the Lake Tana Basin, Ethiopia

Planning effective landscape interventions is an important tool to fight against land degradation and requires knowledge on spatial distribution of runoff. The objective of this paper was to test models that predict temporal and spatial distribution of runoff. The selected models were PED-WM, HBV...


Moges, M.A.Schmitter, Petra S.Tilahun, Seifu A.Langan, Simon J.Dagnew, D.C.Akal, Adugnaw T.Steenhuis, Tammo S.[Suitability of watershed models to predict distributed hydrologic response in the Awramba Watershed in Lake Tana Basin]Suitability of watershed models to predict distributed hydrologic response in the Awramba Watershed in Lake Tana Basin

Controlling soil erosion is important for maintaining land productivity and reducing sedimentation of reservoirs in the Ethiopian highlands. To gain insights on sediment loss patterns, magnitude of peak sediment events, and their contribution to annual loads, hydrometric and sediment concentratio...


Dagnew, D.C.Guzmán, C.D.Zegeye, Assefa D.Akal, Adugnaw T.Moges, M.A.Tebebu, T.Y.Mekuria, Wolde M.Ayana, Essayas K.Tilahun, Seifu A.Steenhuis, Tammo S.[Sediment loss patterns in the sub-humid Ethiopian Highlands]Sediment loss patterns in the sub-humid Ethiopian Highlands

The Ethiopian government has declared the Lake Tana - Beles region to be a growth corridor and irrigation development is one of the priorities. Since the dry season river flow is limited, groundwater has the greatest potential for increasing irrigation in the near future. The main drawback is lac...


Yilak, D. L.Tilahun, Seifu A.Schmitter, Petra S.Nakawuka, ProssieEnku, T.Kassawmar, N. T.Steenhuis, Tammo S.[Determining the groundwater potential for agricultural use in Ethiopian Highlands [Abstract only]]Determining the groundwater potential for agricultural use in Ethiopian Highlands [Abstract only]

Kebede, H.Lehmann, J.C.Yitaferu, B.Stoof, C.Steenhuis, Tammo S.[Effects of biochar and charcoal on soil-hydraulic properties]Effects of biochar and charcoal on soil-hydraulic properties

The Soil Conservation Service Runoff equation was developed and tested for the temperate climate in the United States. Application to the monsoon climates has been only partially successful. The objective to adapt the SCS equation to a monsoon climate equation is to predict watershed runoff. The ...


Yilak, D. L.Tilahun, Seifu A.Schmitter, Petra S.Nakawuka, ProssieHaile, Alemseged TamiruKassawmar, N. T.Guzmán, Christian D.Steenhuis, Tammo S.[Adaptation of the SCS [Soil Conservation Service] runoff equation for a (Sub) humid monsoon climate]Adaptation of the SCS [Soil Conservation Service] runoff equation for a (Sub) humid monsoon climate

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