Precipitation Diurnal Cycle Assessment in Convection-Permitting Simulations in Southeastern South America

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Itajubá (UNIFEI)-
Autor(es): dc.contributorThe Abdus Salam International Centre for Theoretical Physics-
Autor(es): dc.contributorInstituto Franco-Argentino de Estudios Sobre el Clima y sus Impactos (IRL 3351 IFAECI/CNRS-IRD-UBA)-
Autor(es): dc.contributorInstituto Franco-Argentino para el Estudio del Clima y sus Impactos (IRL 3351 IFAECI) Ciudad Universitaria Pabellón II Piso 2 (C1428EGA)-
Autor(es): dc.contributorCSIC-Universidad de Cantabria-
Autor(es): dc.contributorNational Meteorological Weather Service of Argentina-
Autor(es): dc.creatorda Rocha, Rosmeri Porfírio-
Autor(es): dc.creatorLlopart, Marta-
Autor(es): dc.creatorReboita, Michelle Simões-
Autor(es): dc.creatorBettolli, Maria Laura-
Autor(es): dc.creatorSolman, Silvina-
Autor(es): dc.creatorFernández, Jesús-
Autor(es): dc.creatorMilovac, Josipa-
Autor(es): dc.creatorFeijoó, Martín-
Autor(es): dc.creatorCoppola, Erika-
Data de aceite: dc.date.accessioned2025-08-21T21:27:42Z-
Data de disponibilização: dc.date.available2025-08-21T21:27:42Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s41748-023-00361-1-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/308707-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/308707-
Descrição: dc.descriptionConvection-permitting (CP) simulations were evaluated during the wet season from October 2009 to March 2010, characterized by numerous extreme daily rainfall events in southeastern South America. We analyzed six simulations using WRY (versions 3.8.1 and 3.9.0) and RegCM4, considering parameterized convective processes (20 km resolution, non-CP) and a nested CP domain (4 km resolution, with convective parameterization switched off). First, we assessed the performance of six gridded datasets (CMORPH, ERA5, GSMAP, MSWEP, PERSIANN, and TRMM) in reproducing 3-h accumulated precipitation observed in 54 stations. The station data exhibited highly diverse diurnal cycles of precipitation, with different times for maximum and minimum, often showing double peaks. The most intense peak is observed at 09:00 am local time (LT), representing nighttime precipitation. CMORPH and ERA5 showed better agreement with the observations. The non-CP simulations failed to capture the diversity of diurnal cycles observed, which is better captured by CP simulations. When comparing non-CP and CP, WRF-CP shifts the afternoon peaks (at 12:00 pm and 03:00 pm LT) to the morning (at 06:00–09:00 am LT), while RegCM4-CP shifts some peaks from dawn (at 03:00 am LT) to the morning (at 09:00 am LT). Both shifts, along with the increase in the diversity of diurnal cycles, are notable features to obtain better agreement of CP simulations with local observations. The observed morning peak of mean precipitation diurnal cycles is primarily influenced by higher frequency of heavy rainfall events rather than by their intensities.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionSecretaría de Ciencia y Técnica, Universidad de Buenos Aires-
Descrição: dc.descriptionDepartamento de Ciências Atmosféricas Universidade de São Paulo (USP), SP-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho (UNESP), SP-
Descrição: dc.descriptionInstituto de Recursos Naturais Universidade Federal de Itajubá (UNIFEI), Av. BPS, MG-
Descrição: dc.descriptionEarth System Physics Section The Abdus Salam International Centre for Theoretical Physics-
Descrição: dc.descriptionDepartamento de Ciencias de la Atmósfera y los Océanos Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Instituto Franco-Argentino de Estudios Sobre el Clima y sus Impactos (IRL 3351 IFAECI/CNRS-IRD-UBA)-
Descrição: dc.descriptionDepartamento de Ciencias de la Atmósfera y los Océanos Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires CONICET-Universidad de Buenos Aires Centro de Investigaciones del Mar y la Atmósfera (CIMA) CNRS-IRD-CONICET-UBA Instituto Franco-Argentino para el Estudio del Clima y sus Impactos (IRL 3351 IFAECI) Ciudad Universitaria Pabellón II Piso 2 (C1428EGA)-
Descrição: dc.descriptionInstituto de Física de Cantabria (IFCA) CSIC-Universidad de Cantabria-
Descrição: dc.descriptionNational Meteorological Weather Service of Argentina-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho (UNESP), SP-
Formato: dc.format1-19-
Idioma: dc.languageen-
Relação: dc.relationEarth Systems and Environment-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectConvection-permitting-
Palavras-chave: dc.subjectDiurnal cycle-
Palavras-chave: dc.subjectHeavy precipitation-
Palavras-chave: dc.subjectLocal climate-
Palavras-chave: dc.subjectSoutheastern South America-
Título: dc.titlePrecipitation Diurnal Cycle Assessment in Convection-Permitting Simulations in Southeastern South America-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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