Variable source areas of bedload in a gravel bed stream

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dc.contributor.author García, C.
dc.contributor.author Laronne, J.B.
dc.contributor.author Sala, M.
dc.date.accessioned 2019-12-17T08:57:41Z
dc.identifier.uri http://hdl.handle.net/11201/150486
dc.description.abstract [eng] Bedload texture is dependent on the spatially variable availability of mobile surface bed material, distributed in patches or in other bedforms. We measured bedload transport continuously with an automatic bedload station on the gravel-bedded Tordera River. We also studied bed patchiness from pre-flood vertical aerial photographs in a 40 m section upstream of the bedload station. The results suggest that patches are the main source of sediment during the beginning of the flow event. The median bedload size, in low-magnitude events, depends on the percentage of total area occupied by patches of a given size. Patch areal extent and texture depend on the magnitude and general character of the previous flow event.
dc.format application/pdf
dc.relation.isformatof Versió postprint del document publicat a: https://doi.org/10.2110/jsr.69.27
dc.relation.ispartof Journal of Sedimentary Research, 1999, vol. 69, num. 1, p. 27-31
dc.subject.classification Geologia
dc.subject.classification Medi ambient
dc.subject.other Geology
dc.subject.other Environment
dc.title Variable source areas of bedload in a gravel bed stream
dc.type info:eu-repo/semantics/article
dc.type info:eu-repo/semantics/acceptedVersion
dc.date.updated 2019-12-17T08:57:42Z
dc.date.embargoEndDate info:eu-repo/date/embargoEnd/2026-12-31
dc.embargo 2026-12-31
dc.rights.accessRights info:eu-repo/semantics/embargoedAccess
dc.identifier.doi https://doi.org/10.2110/jsr.69.27


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