Cost effectiveness of sediment management strategies for mitigation of sedimentation at Jebba Hydropower reservoir, Nigeria
| dc.contributor.author | Adeogun, Adeniyi Ganiyu | |
| dc.contributor.author | Sule,Bolaji Fatai | |
| dc.contributor.author | Salami, Adebayo Wahab | |
| dc.date.accessioned | 2024-07-22T09:09:35Z | |
| dc.date.available | 2024-07-22T09:09:35Z | |
| dc.date.issued | 2016-01-22 | |
| dc.description.abstract | Inthisstudy,acalibratedhydrologicmodel,SoilandWaterAssessmentTool (SWAT) interfacedwithGeographicalInformationSystem(GIS)toolwasusedtostudytheeffectofdiffer entsedimentmanagementmethodsinawatershed(12,992km2)upstreamofJebbaLake,Nigeria. Sedimentmanagementstrategiesconsideredare(i)reforestationofthewatershed,(ii)applicationof vegetativefilterstrip(VFS)and(iii)constructionofstonebunds.Costanalysisofimplementingthe selectederosioncontrolmeasureswithinthewatershedwasalsocarriedout tocomparethecost effectivenessof eachof themanagement strategies.Theresults showedthatapplicationofVFS, reforestation, andstonebunds tocritical zonesof thewatershedreducedthe sediment yieldup to65.6%,63.4%and12%respectivelywhilethefinancialanalysisof implementingreforestation, VFSandstonebundsrevealed84.9%,73.3%and70.5%reductionrespectivelyinthecoststobe incurredifsedimentsareallowedtoaccumulateinthedam.Fromthisanalysis, itcanbeconcluded thatthesedimentmanagementscenariosconsideredinthisstudyarecosteffectiveandsustainable whencomparedwiththecostsincurredintacklingtheeffectduetoreservoirsedimentation.Over all, thestudyshowedthathydrologicalmodelssuchasSWATcanbeusedtostudystrategiesfor waterresourcemanagement. Inaddition, itcanprovidepolicymakersthedecisionsupport tools toevaluatethecostandbenefitsofadoptingBestManagementPractices(BMPs)particularlyfor sedimentcontrol inerosionpronewatersheds. | |
| dc.identifier.uri | https://kwasuspace.kwasu.edu.ng/handle/123456789/1709 | |
| dc.language.iso | en | |
| dc.publisher | Elsevier, JournalofKingSaudUniversity–EngineeringSciences | |
| dc.title | Cost effectiveness of sediment management strategies for mitigation of sedimentation at Jebba Hydropower reservoir, Nigeria |