Hydrological dynamics in various agroecological zones and impacts of soil and water conservation measures on runoff and sediment yields in the Bale Eco-Region, Ethiopia

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cg.contributor.affiliationAddis Ababa University
cg.contributor.affiliationTexas A&M University
cg.contributor.affiliationBahir Dar University
cg.contributor.affiliationInternational Water Management Institute
cg.contributor.affiliationUniversity of Bern
cg.contributor.donorEuropean Commission
cg.coverage.countryEthiopia
cg.coverage.iso3166-alpha2ET
cg.coverage.subregionBale Eco-Region
cg.coverage.subregionBekaye Watershed
cg.coverage.subregionHawo Watershed
cg.coverage.subregionHorosoba Watershed
cg.creator.identifierAmare Haileslassie: 0000-0001-5237-9006
cg.creator.identifierWolde Mekuria: 0000-0001-5252-4795
cg.identifier.dataurlhttp://wlrc-eth.org/wp-content/uploads/2025/06/Data.zip
cg.identifier.doihttps://doi.org/10.2166/wcc.2025.755
cg.identifier.iwmilibraryH053949
cg.isijournalISI Journal
cg.issn2040-2244
cg.issue6
cg.journalJournal of Water and Climate Change
cg.reviewStatusPeer Review
cg.volume16
dc.contributor.authorBerhanu, D.
dc.contributor.authorTarkegn, T. G.
dc.contributor.authorHaileslassie, Amare
dc.contributor.authorAlamirew, T.
dc.contributor.authorMekuria, Wolde
dc.contributor.authorZeleke, G.
dc.contributor.authorLemann, T.
dc.contributor.authorHurni, H.
dc.contributor.authorFeyisa, G. L.
dc.date.accessioned2025-06-30T13:22:52Z
dc.date.available2025-06-30T13:22:52Z
dc.identifier.urihttps://hdl.handle.net/10568/175402
dc.titleHydrological dynamics in various agroecological zones and impacts of soil and water conservation measures on runoff and sediment yields in the Bale Eco-Region, Ethiopiaen
dcterms.abstractThe Bale Eco-Region (BER) in Southern Ethiopia is characterized by high surface runoff and sediment yield. This study assessed long-term (2016–2023) hydrological dynamics in three BER watersheds: Bekaye, Hawo, and Horosoba, exhibiting different agroecological zones and rainfall patterns. It investigated impacts of soil and water conservation (SWC) measures on runoff and sediment yield for Bekaye watershed, which experiences more intense rainfall than the others. Bekaye had a higher runoff coefficient (38.4%) and sediment yield (15.5 t ha−1 yr−1), while Hawo had lower values (19.6% runoff coefficient; 3.2 t ha−1 yr−1 sediment yield). Observation of significant differences in runoff coefficients and sediment yields highlights the influence of rainfall intensity, monthly rainfall distribution, topography, land use, and vegetation cover on hydrological and erosion processes. SWC interventions in Bekaye reduced runoff and sediment yield while increasing base flow in subsequent years. Results indicated that maintenance of SWC measures every two to three years following the implementation is key to sustaining their benefits in runoff and sediment reduction. This research provides novel insights into long-term hydrological dynamics under varying agroecological zones and rainfall patterns, offering a comprehensive assessment of SWC effectiveness in mitigating runoff and sediment yield.en
dcterms.accessRightsOpen Access
dcterms.available2025-06-04
dcterms.bibliographicCitationBerhanu, D.; Tarkegn, T. G.; Haileslassie, Amare; Alamirew, T.; Mekuria, Wolde; Zeleke, G.; Lemann, T.; Hurni, H.; Feyisa, G. L. 2025. Hydrological dynamics in various agroecological zones and impacts of soil and water conservation measures on runoff and sediment yields in the Bale Eco-Region, Ethiopia. Journal of Water and Climate Change, 16(6):2032-2052. doi: https://doi.org/10.2166/wcc.2025.755
dcterms.extent2032-2052
dcterms.issued2025-06
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherIWA Publishing
dcterms.subjectagroecological zones
dcterms.subjectsoil conservation
dcterms.subjectwater conservation
dcterms.subjectrunoff
dcterms.subjectsediment yield
dcterms.subjectwatersheds
dcterms.subjectrainfall patterns
dcterms.typeJournal Article

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