Analysis of the uncertainty in estimates of manning’s roughness coefficient and bed slope using GLUE and DREAM

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dc.creatorReis, Guilherme da Cruz dos
dc.creatorPereira, Tatiane Souza Rodrigues
dc.creatorFaria, Geovanne Silva
dc.creatorFormiga, Klebber Teodomiro Martins
dc.date.accessioned2026-01-29T13:58:25Z
dc.date.available2026-01-29T13:58:25Z
dc.date.issued2020
dc.description.resumoRiver discharge data are critical to elaborating on engineering projects and water resources management. Discharge data must be precise and collected with good temporal resolution. To elaborate on a more accurate database, this paper aims to quantify the uncertainty generated while applying Bayesian inference through the GLUE and DREAM methods. Both methods were used to estimate hydraulic parameters and compare between them with Manning’s equation. Throughout the statistical analysis, the uncertainties in the application of the models are used to determine the parameters of Manning’s roughness coefficient and bed slope. The validation was made via a comparison of the calculated maximum and minimum discharges, and the observed flow available at HidroWeb. In conclusion, both methods estimated the hydraulic parameters well, but a higher relative deviation was seen in the intervals with smaller calculated discharges; DREAM appears to be more accurate than GLUE, once the relative deviation in GLUE became greater.
dc.identifier.citationREIS, Guilherme Da Cruz Dos; PEREIRA, Tatiane Souza Rodrigues; FARIA, Geovanne Silva; FORMIGA, Klebber Teodomiro Martins. Analysis of the uncertainty in estimates of manning’s roughness coefficient and bed slope using GLUE and DREAM. Water, Basileia, v. 12, n. 11, e3270, 2020. DOI: 10.3390/w12113270. Disponível em: https://www.mdpi.com/2073-4441/12/11/3270. Acesso em: 11 Dez. 2024.
dc.identifier.doi10.3390/w12113270
dc.identifier.issne- 2073-4441
dc.identifier.urihttps://repositorio.bc.ufg.br//handle/ri/29579
dc.language.isoeng
dc.publisher.countrySuica
dc.publisher.departmentEscola de Engenharia Civil e Ambiental - EECA (RMG)
dc.rightsAcesso Aberto
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectRiver discharge
dc.subjectStage
dc.subjectRating curve
dc.subjectBayesian inference
dc.subjectUncertainty
dc.titleAnalysis of the uncertainty in estimates of manning’s roughness coefficient and bed slope using GLUE and DREAM
dc.typeArtigo

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