農学部研究紹介2017-2018_英語版

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Laboratory for Forest, Soil and Water ConservationHiroshiONOAssistantProfessorResearchKeywords;Erosioncontrol,Foresthydrology,Physicalpropertiesofforestsoil,Soilaggregateofforest,SoilandwaterConservationTheLaboratoryforForest,SoilandWaterConservationprovideseducationalandresearchprogramsrelatedtothepublicuseofforests,preventionofnaturaldisasters,waterconservation,environmentalconservation,andrecreation.Forest, soil and water Conservation of mountainous areaABCDABCMonitoring of runoff from mountainous watershedsThe difference of structure of forest soil (left: single grain structure, right: crumb structure)The role of mountainous forests and soil in the hydrological cycle and water conservationThe effect of aggregate development on physical properties of forest soilDivision of Forest and EnvironmentalSymbiosis Sciences29Laboratory for Watershed ConservationShinyaHIRAMATSUProfessorHillslopestabilityHydrologic propertiesin forest soilLandslidesmodelDebrisflowSedimentyieldInJapan,sediment-relateddisastersoccurfrequentlyduetobrisksedimentyieldandsedimentdischarge.Topreventdisastersaffectingourlivesandproperty,accuratepredictionofsuchdisastersisgreatlyneeded.Therefore,fordisasterprediction,itisnecessarytounderstandandmakeclearmechanismsofsedimentproductionandsedimentyield,andallprocessesthataffectslopestability,suchasrainfallinfiltrationandrunoff.Inourlaboratory,weconductresearchonmechanismsofsediment-relateddisasterssuchashillsideslandslidesanddebrisflowinmountainousareas,andrainfall-runoffprocesses,basedonfieldmeasurementsandexperiments,fromtheviewpointofdisasterpreventionandwatershedconservation.Effects of impact force caused by earthquake on slope stabilityABCDABCField monitoring and impact assessment of trail erosion in the Kirigaminewetland in NaganoInfluence of tree root systems on vertical infiltration processesof rainwaterStudies on the effect of forest on sois stabisity and its simitationMonitoring of water in forest soil layerExposed tree roots dse to landslide implies the effect of forest on soil stability and its limitationDecayed rootΦ5.0cmSchematic of water samtlingRoot100cc CylinderDivision of Forest and EnvironmentalSymbiosis Sciences