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dc.contributor.authorZapico, Ignacioes_ES
dc.contributor.authorLaronne, J. B.es_ES
dc.contributor.authorLucía, A.es_ES
dc.contributor.authorMartín Duque, J. F.es_ES
dc.date.accessioned2019-07-22T11:19:49Z-
dc.date.available2019-07-22T11:19:49Z-
dc.date.issued2018-12-01-
dc.identifier.citationGeomorphology 322: 53-65 (2018)es_ES
dc.identifier.issn0169-555X-
dc.identifier.urihttp://hdl.handle.net/10261/186499-
dc.description.abstractWe report on channel morpho-texture and bedload transport in a natural, steep, sand-gravel ephemeral channel draining the small Poveda Gully watershed in the mining area of the Alto Tajo Natural Park, Spain. First-ever continuous bedload flux and texture monitoring in a transitional sand-gravel environment was undertaken by two independent Reid-type slot samplers. Morphological changes in the feeder reach have been quantified by TLS (terrestrial laser scanning) and SfM (structure from motion) technologies. We identified a pattern in channel-bed morphology and texture (morpho-texture): when the channel is incised its texture is coarser, otherwise sand-filling occurs. These changes determine bedload flux and texture: sand fill brings rise to high fluxes and fine-grained bedload, whereas incision caused by evacuation of sand leaves a sandy-gravel surface with lower bedload fluxes and coarser texture. A video camera recording during events allowed identification of dramatic changes in bedload flux and texture owing to the appearance and erosion of bars, supplying field evidence to explain the difficulty in the prediction of bedload flux at short time intervals.es_ES
dc.description.sponsorshipThis study was funded by: (i) Research Project CGL2010-21754-C02-01 (Spanish Ministry of Science and Technology, and Spanish Ministry of Economy); (ii) the Department of Agriculture and Environment of Castile – La Mancha through its so-called ‘Fondos Verdes’; (iii) CAOBAR project 249/2015; (iv) the Ecological Restoration Network REMEDINAL-3 of the Madrid Community (S2013/MAE-2719); (v) the CSIC for PhD Grant JAE-Predoc to IZA.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationS2013/MAE-2719/REMEDINAL3-CMes_ES
dc.rightsclosedAccesses_ES
dc.subjectBedload fluxes_ES
dc.subjectBedload sizees_ES
dc.subjectGravel-sandes_ES
dc.subjectSteep ephemeral channeles_ES
dc.subjectVariable channel morphologyes_ES
dc.titleMorpho-textural implications to bedload flux and texture in the sand-gravel ephemeral Poveda Gullyes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.geomorph.2018.08.026-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.geomorph.2018.08.026es_ES
dc.contributor.funderMinisterio de Ciencia y Tecnología (España)es_ES
dc.contributor.funderJunta de Comunidades de Castilla-La Manchaes_ES
dc.contributor.funderComunidad de Madrides_ES
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100006280es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100012818es_ES
dc.contributor.orcidZapico, Ignacio [0000-0002-7454-169X]es_ES
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