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Semi-automated morphological characterization using South Rivers Toolbox

dc.contributor.authorYépez, Santiago
dc.contributor.authorSalas, Francisca
dc.contributor.authorNardini, Andrea
dc.contributor.authorValenzuela, Noelia
dc.contributor.authorOsores, Víctor
dc.contributor.authorVargas, José
dc.contributor.authorRodríguez, Rolando
dc.contributor.authorPiégay, Hervé
dc.date.accessioned2024-07-09T14:31:36Z
dc.date.available2024-07-09T14:31:36Z
dc.date.issued2024
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/5488
dc.description.abstractAutomatic morphological characterization of river systems is important because it provides valuable information on river behavior, helps quantify fluvial changes, improves model accuracy, and supports the management and restoration of river systems. In recent years, scientific interest in the development and use of automated tools for the geomorphological characterization of rivers has increased. The objective of this study was to characterize in a semi-automated way the River Styles of the Duqueco River in south-central Chile. To achieve this objective, an experimental complement within QGIS called South Rivers Toolbox (SRT) was developed. This toolbox allows users to characterize and classify River Styles based on hydromorphological metrics extracted at segment scale, implementing a semi-automatic approach that no longer relies on subjective expert judgment. As a result of the analysis, 43 Rivers Styles have been classified and characterized using the SRT. The upper zone is characterized by being mostly confined, single-channel, with a bed dominated by boulders and blocks, this section of the river is highly affected by hydropower generation plants; the middle zone is confined and single-channel, with a change in the granulometry more dominated by boulders. The lower zone is more diverse in styles, unconfined, with a high presence of geomorphic units that give way to multichannel styles and transition zones. Using the SRT program it is possible to retrospectively analyze the evolution of the river, identifying sections sensitive to geomorphological modification, which is very useful to synoptically evaluate the flood risk, given that, traditionally, for this type of studies only hydraulic modeling is implemented at a river section scale, often with total lack of knowledge of how the river functions and evolves.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceProceedings of the International Association of Hydrological Sciences, 385, 189-196es_CL
dc.subjectNew monitoringes_CL
dc.subjectModellinges_CL
dc.subjectRiver Styleses_CL
dc.subjectFluvial Morphodynamicses_CL
dc.subjectDuqueco Riveres_CL
dc.subjectChilees_CL
dc.titleSemi-automated morphological characterization using South Rivers Toolboxes_CL
dc.typeArticlees_CL
dc.ucm.facultadFacultad de Ciencias Básicases_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.uripiahs.copernicus.org/articles/385/189/2024/es_CL
dc.ucm.doidoi.org/10.5194/piahs-385-189-2024es_CL


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Atribución-NoComercial-SinDerivadas 3.0 Chile
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