Impact of the topographic information resolution on the results of mathematical hydrodynamic models

Autores
Bupo, Matías; Cabello, Andrés Miguel
Año de publicación
2022
Idioma
inglés
Tipo de recurso
informe técnico
Estado
versión aceptada
Descripción
The geometry of a river is, without a doubt, the most important input data for any mathematical model that intends to simulate the flow conditions in a given sector. Technological advances have allowed this information to be increasingly precise, but above all, with higher resolution. Current digital elevation models are capable to representing the geometry of small rocks, and it is in this context that the question arises: what is geometry and what is roughness? in hydraulic terms. It is proposed in the present work to evaluate the results of the hydraulic simulation with HEC-RAS for equal values of the Manning roughness factor, modifying the resolution of the information. It was possible to observe that for the case under study, the roughness coefficient is overestimated when the resolution of the geometry increases.
Fil: Bupo, Matías. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Grupo de Investigación, Desarrollo y Transferencia en Recursos Hídricos y Saneamiento; Argentina.
Fil: Cabello, Andrés Miguel. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Grupo de Investigación, Desarrollo y Transferencia en Recursos Hídricos y Saneamiento; Argentina.
Peer Reviewed
Materia
Hydrodynamics
Models
Roughness
Nivel de accesibilidad
acceso abierto
Condiciones de uso
Attribution-NonCommercial-NoDerivs 2.5 Argentina
Repositorio
Repositorio Institucional Abierto (UTN)
Institución
Universidad Tecnológica Nacional
OAI Identificador
oai:ria.utn.edu.ar:20.500.12272/15665
Acceder
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network_acronym_str RIAUTN
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spelling Impact of the topographic information resolution on the results of mathematical hydrodynamic modelsBupo, MatíasCabello, Andrés MiguelHydrodynamicsModelsRoughnessThe geometry of a river is, without a doubt, the most important input data for any mathematical model that intends to simulate the flow conditions in a given sector. Technological advances have allowed this information to be increasingly precise, but above all, with higher resolution. Current digital elevation models are capable to representing the geometry of small rocks, and it is in this context that the question arises: what is geometry and what is roughness? in hydraulic terms. It is proposed in the present work to evaluate the results of the hydraulic simulation with HEC-RAS for equal values of the Manning roughness factor, modifying the resolution of the information. It was possible to observe that for the case under study, the roughness coefficient is overestimated when the resolution of the geometry increases.Fil: Bupo, Matías. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Grupo de Investigación, Desarrollo y Transferencia en Recursos Hídricos y Saneamiento; Argentina.Fil: Cabello, Andrés Miguel. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Grupo de Investigación, Desarrollo y Transferencia en Recursos Hídricos y Saneamiento; Argentina.Peer ReviewedInternational Association for Hydro-Environment Engineering and Research2026-09-24T18:54:12Z2022info:eu-repo/semantics/reportinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_18ghinfo:ar-repo/semantics/informeTecnicopdfapplication/pdf39.º Congreso Mundial de la Asociación Internacional de Ingeniería e Investigación Hidroambientalhttps://hdl.handle.net/20.500.12272/15665enginfo:eu-repo/semantics/openAccessAttribution-NonCommercial-NoDerivs 2.5 Argentinahttp://creativecommons.org/licenses/by-nc-nd/2.5/ar/Matías Bupo; Andrés Miguel Cabellohttps://creativecommons.org/licenses/by-nc-nd/4.0/reponame:Repositorio Institucional Abierto (UTN)instname:Universidad Tecnológica Nacional2026-10-29T11:27:59Zoai:ria.utn.edu.ar:20.500.12272/15665instacron:UTNInstitucionalhttp://ria.utn.edu.ar/Universidad públicaNo correspondehttp://ria.utn.edu.ar/oaigestionria@rec.utn.edu.ar; fsuarez@rec.utn.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:a2026-10-29 11:28:00.142Repositorio Institucional Abierto (UTN) - Universidad Tecnológica Nacionalfalse
dc.title.none.fl_str_mv Impact of the topographic information resolution on the results of mathematical hydrodynamic models
title Impact of the topographic information resolution on the results of mathematical hydrodynamic models
spellingShingle Impact of the topographic information resolution on the results of mathematical hydrodynamic models
Bupo, Matías
Hydrodynamics
Models
Roughness
title_short Impact of the topographic information resolution on the results of mathematical hydrodynamic models
title_full Impact of the topographic information resolution on the results of mathematical hydrodynamic models
title_fullStr Impact of the topographic information resolution on the results of mathematical hydrodynamic models
title_full_unstemmed Impact of the topographic information resolution on the results of mathematical hydrodynamic models
title_sort Impact of the topographic information resolution on the results of mathematical hydrodynamic models
dc.creator.none.fl_str_mv Bupo, Matías
Cabello, Andrés Miguel
author Bupo, Matías
author_facet Bupo, Matías
Cabello, Andrés Miguel
author_role author
author2 Cabello, Andrés Miguel
author2_role author
dc.subject.none.fl_str_mv Hydrodynamics
Models
Roughness
topic Hydrodynamics
Models
Roughness
dc.description.none.fl_txt_mv The geometry of a river is, without a doubt, the most important input data for any mathematical model that intends to simulate the flow conditions in a given sector. Technological advances have allowed this information to be increasingly precise, but above all, with higher resolution. Current digital elevation models are capable to representing the geometry of small rocks, and it is in this context that the question arises: what is geometry and what is roughness? in hydraulic terms. It is proposed in the present work to evaluate the results of the hydraulic simulation with HEC-RAS for equal values of the Manning roughness factor, modifying the resolution of the information. It was possible to observe that for the case under study, the roughness coefficient is overestimated when the resolution of the geometry increases.
Fil: Bupo, Matías. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Grupo de Investigación, Desarrollo y Transferencia en Recursos Hídricos y Saneamiento; Argentina.
Fil: Cabello, Andrés Miguel. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Grupo de Investigación, Desarrollo y Transferencia en Recursos Hídricos y Saneamiento; Argentina.
Peer Reviewed
description The geometry of a river is, without a doubt, the most important input data for any mathematical model that intends to simulate the flow conditions in a given sector. Technological advances have allowed this information to be increasingly precise, but above all, with higher resolution. Current digital elevation models are capable to representing the geometry of small rocks, and it is in this context that the question arises: what is geometry and what is roughness? in hydraulic terms. It is proposed in the present work to evaluate the results of the hydraulic simulation with HEC-RAS for equal values of the Manning roughness factor, modifying the resolution of the information. It was possible to observe that for the case under study, the roughness coefficient is overestimated when the resolution of the geometry increases.
publishDate 2022
dc.date.none.fl_str_mv 2022
2026-09-24T18:54:12Z
dc.type.none.fl_str_mv info:eu-repo/semantics/report
info:eu-repo/semantics/acceptedVersion
http://purl.org/coar/resource_type/c_18gh
info:ar-repo/semantics/informeTecnico
format report
status_str acceptedVersion
dc.identifier.none.fl_str_mv 39.º Congreso Mundial de la Asociación Internacional de Ingeniería e Investigación Hidroambiental
https://hdl.handle.net/20.500.12272/15665
identifier_str_mv 39.º Congreso Mundial de la Asociación Internacional de Ingeniería e Investigación Hidroambiental
url https://hdl.handle.net/20.500.12272/15665
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
Attribution-NonCommercial-NoDerivs 2.5 Argentina
http://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Matías Bupo; Andrés Miguel Cabello
https://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivs 2.5 Argentina
http://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Matías Bupo; Andrés Miguel Cabello
https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.format.none.fl_str_mv pdf
application/pdf
dc.publisher.none.fl_str_mv International Association for Hydro-Environment Engineering and Research
publisher.none.fl_str_mv International Association for Hydro-Environment Engineering and Research
dc.source.none.fl_str_mv reponame:Repositorio Institucional Abierto (UTN)
instname:Universidad Tecnológica Nacional
reponame_str Repositorio Institucional Abierto (UTN)
collection Repositorio Institucional Abierto (UTN)
instname_str Universidad Tecnológica Nacional
repository.name.fl_str_mv Repositorio Institucional Abierto (UTN) - Universidad Tecnológica Nacional
repository.mail.fl_str_mv gestionria@rec.utn.edu.ar; fsuarez@rec.utn.edu.ar
_version_ 1880396333670465536
score 13.334379

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