Over the past five decades, gullying has been widespread and has become more severe in the Ethiopian highlands. Only in very few cases, rehabilitation of gullies has been successful in Ethiopia due to the high costs. The objective of this paper is to introduce cost effective measures to arrest gu...
Tebebu, Tigist Y.
,
Zegeye, Assefa D.
,
Langendoen, E.J.
,
Ayele, Getaneh K.
,
Tilahun, Seifu A.
,
Ayana, Essayas K.
,
Steenhuis, Tammo S.
,
[Arresting gully formation in the Ethiopian highlands]
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Arresting gully formation in the Ethiopian highlands
Gully erosion in the humid Ethiopian highlands intensified in recent decades. The study was conducted in the Birr watershed located south west of Bahir Dar the capital of Amhara regional state, Ethiopia. We studied 14 gullies having similar morphology at three sub watersheds. The watershed covers...
Addisie, Meseret B.
,
Ayele, Getaneh K.
,
Gessesse, A. A.
,
Tilahun, Seifu A.
,
Zegeye, Assefa D.
,
Moges, M.
,
Schmitter, Petra S.
,
Langendoen, E. J.
,
Steenhuis, Tammo S.
,
[Reducing surface and subsurface water flow effect on gullies through low cost measures [Abstract only]]
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Reducing surface and subsurface water flow effect on gullies through low cost measures [Abstract only]
Intense rainfall/runoff events produce large proportion of suspended sediment concentrations and sediment load responses. With an aim to mitigate land degradation problems in Ethiopia, soil and water conservation projects are being massively implemented. The effect of these conservation measures ...
Dagnew, D.C.
,
Guzmán, Christian D.
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Tebebu, Tigist Y.
,
Zegeye, Assefa D.
,
Akal, Adugnaw T.
,
Mekuria, Wolde M.
,
Ayana, Essayas K.
,
Tilahun, Seifu A.
,
Steenhuis, Tammo S.
,
[Contributions of peak sediment events to annual loads and the effects of best management practices on peak loads in the sub-humid Ethiopian highlands: the Debre Mawi watershed [Abstract only]]
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Contributions of peak sediment events to annual loads and the effects of best management practices on peak loads in the sub-humid Ethiopian highlands: the Debre Mawi watershed [Abstract only]
Gully formation and upland erosion were studied in the Debre-Mewi Watershed in the Gilgil Abay Basin south of Lake Tana. Gully erosion rates were found to be equivalent to over 500 tonnes/ha/year for the 2008 rainy season when averaged over the contributing watershed. Upland erosion rates were tw...
Zegeye, Assefa D.
,
Tebebu, Tigist Y.
,
Abiy, A. Z.
,
Dahlke, H. E.
,
White, E.D.
,
Collick, A.S.
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Kidnau, S.
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Dadgari, F.
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McCartney, Matthew P.
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Steenhuis, Tammo S.
,
[Assessment of hydrological and landscape controls on gully formation and upland erosion near Lake Tana]
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Assessment of hydrological and landscape controls on gully formation and upland erosion near Lake Tana
Mekuria, Wolde M.
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Chanie, Dessalegn
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Admassu, Seifu
,
Akal, Adugnaw T.
,
Guzmán, Christian D.
,
Zegeye, Assefa D.
,
Tebebu, Tigist Y.
,
Steenhuis, Tammo S.
,
Ayana, Essayas K.
,
[Sustaining the benefits of soil and water conservation in the highlands of Ethiopia]
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Sustaining the benefits of soil and water conservation in the highlands of Ethiopia
In the northern highlands of Ethiopia, gully erosion is severe. Despite many efforts to implement gully prevention measures, controlling gully erosion remains a challenge. The objective is to better understand the regional gully erosion processes and to prevent gully head retreat. The study was c...
Addisie, Meseret B.
,
Ayele, Getaneh K.
,
Gessess, A.A.
,
Tilahun, Seifu A.
,
Zegeye, Assefa D.
,
Moges, M.M.
,
Schmitter, Petra
,
Langendoen, E.J.
,
Steenhuis, Tammo S.
,
[Gully head retreat in the sub-humid Ethiopian Highlands: the Ene-Chilala Catchment]
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Gully head retreat in the sub-humid Ethiopian Highlands: the Ene-Chilala Catchment
Using measured runoff and sediment monitoring, the effectiveness of large scale soil and water conservation (SWC) implementations are analyzed from a five year (2010-2014) study, in the 95 ha Debre Mawi watershed and four nested sub-watersheds. Under the large scale government led SWC program, te...
Dagnew, D.
,
Guzmán, Christian D.
,
Zegeye, Assefa D.
,
Tebebu, Tigist Y.
,
Akal, A.
,
Mekuria, Wolde M.
,
Ayana, Essayas K.
,
Tilahun, S.
,
Steenhuis, Tammo S.
,
[Effectiveness and sustainability of large scale soil and water conservation interventions in the sub-humid Ethiopian highlands: evidence from Debre Mawi watershed [Abstract only]]
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Effectiveness and sustainability of large scale soil and water conservation interventions in the sub-humid Ethiopian highlands: evidence from Debre Mawi watershed [Abstract only]
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]
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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]
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Effect of gully headcut treatment on sediment load and gully expansion in the sub humid Ethiopian Highlands
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]
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Sediment loss patterns in the sub-humid Ethiopian Highlands