A NOVEL FRAMEWORK FOR SIMULATING PARTICLE DEPOSITION WITH MOVING BEDFORMS

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dc.contributor.authorTeitelbaum, Yoni
dc.contributor.authorShimony, Tomer
dc.contributor.authorCifuentes, Edwin Saavedra
dc.contributor.authorDallmann, Jonathan
dc.contributor.authorPhillips, Colin B.
dc.contributor.authorPackman, Aaron I.
dc.contributor.authorHansen, Scott K.
dc.contributor.authorArnon, Shai
dc.date.accessioned2022-07-25T08:35:04Z
dc.date.available2022-07-25T08:35:04Z
dc.date.issued2022
dc.description.abstractPrevious modeling studies of hyporheic exchange induced by moving bedforms have used a moving reference frame, typically corresponding to an individual moving bedform. However, this approach is not suitable for simulating the exchange and accumulation of immobile fine particles beneath moving bedforms, which commonly occurs in sand-bed streams, as both moving and stationary features must be considered. Here we present a novel simulation framework that may represent arbitrarily shaped, generally aperiodic mobile bedforms within a stationary reference frame. We combine this approach with particle tracking to successfully reproduce observations of clay deposition in sand beds, and the resulting development of a low-conductivity layer near the scour zone. We find that increased bedform celerity and filtration both lead to a shallower depth of clay deposition and a more compact deposition layer. While increased filtration causes more clay to deposit, increased celerity reduces deposition by flattening hyporheic exchange flowpathsen_US
dc.identifier.citationTeitelbaum, Y., Shimony, T., Saavedra Cifuentes, E., Dallmann, J., Phillips, C. B., Packman, A. I., Hansen, S. K., & Arnon, S. (2022). A Novel Framework for Simulating Particle Deposition With Moving Bedforms. Geophysical Research Letters, 49(4). https://doi.org/10.1029/2021gl097223en_US
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/6526
dc.language.isoenen_US
dc.publisherGeophysical Research Lettersen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectmoving bedformsen_US
dc.subjectType of access: Open Accessen_US
dc.titleA NOVEL FRAMEWORK FOR SIMULATING PARTICLE DEPOSITION WITH MOVING BEDFORMSen_US
dc.typeArticleen_US
workflow.import.sourcescience

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