Coarse grain mobility in a step-pool mountain stream

dc.contributorClayton, Jordan
dc.contributorSenkbeil, Jason Carl
dc.contributor.advisorDavis, Lisa
dc.contributor.authorKimbrow, Dustin Randall
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2017-03-01T16:24:15Z
dc.date.available2017-03-01T16:24:15Z
dc.date.issued2011
dc.descriptionElectronic Thesis or Dissertationen_US
dc.description.abstractSediment mobility and the resulting erosion of bedrock are the primary controls on surface denudation and landscape evolution in humid subtropical environments. This study investigates the movement of coarse sediment grains in Cheaha Creek, a step-pool headwater stream located in the tectonically passive Talladega Mountains of northeastern Alabama. The frequency and magnitude of stream discharges large enough to mobilize sediment grains ranging from fine sands to large boulders are analyzed in this research. Results indicate that depending on the size and orientation of surrounding sediment grains, coarse gravel to large cobbles are potentially mobile at 1.5 year recurrence interval flows, and the 4.5 to 8.5 year flows have the potential to mobilize small to large boulders. These findings suggest that coarse sediment grains are mobile on relatively short timescales and the opportunity for bedrock erosion and resulting landscape denudation in the Talladega Mountains occurs frequently in the current climatic regime.en_US
dc.format.extent96 p.
dc.format.mediumelectronic
dc.format.mimetypeapplication/pdf
dc.identifier.otheru0015_0000001_0000809
dc.identifier.otherKimbrow_alatus_0004M_10915
dc.identifier.urihttps://ir.ua.edu/handle/123456789/1313
dc.languageEnglish
dc.language.isoen_US
dc.publisherUniversity of Alabama Libraries
dc.relation.hasversionborn digital
dc.relation.ispartofThe University of Alabama Electronic Theses and Dissertations
dc.relation.ispartofThe University of Alabama Libraries Digital Collections
dc.rightsAll rights reserved by the author unless otherwise indicated.en_US
dc.subjectGeomorphology
dc.titleCoarse grain mobility in a step-pool mountain streamen_US
dc.typethesis
dc.typetext
etdms.degree.departmentUniversity of Alabama. Department of Geography
etdms.degree.disciplineGeography
etdms.degree.grantorThe University of Alabama
etdms.degree.levelmaster's
etdms.degree.nameM.S.

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