Intraseasonal Drivers of the 2018 Drought Over São Paulo, Brazil

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorFederal University of Itajubá (UNIFEI)-
Autor(es): dc.contributorFederal University of Paraná-
Autor(es): dc.contributorFederal University of Alagoas (UFAL)-
Autor(es): dc.contributorNational Institute of Space Research (INPE)-
Autor(es): dc.creatorGozzo, Luiz Felippe-
Autor(es): dc.creatorDrumond, Anita-
Autor(es): dc.creatorPampuch, Luana Albertani-
Autor(es): dc.creatorAmbrizzi, Tércio-
Autor(es): dc.creatorCrespo, Natália Machado-
Autor(es): dc.creatorReboita, Michelle Simões-
Autor(es): dc.creatorBier, Anderson Augusto-
Autor(es): dc.creatorCarpenedo, Camila Bertoletti-
Autor(es): dc.creatorBueno, Paola Gimenes-
Autor(es): dc.creatorPinheiro, Henri Rossi-
Autor(es): dc.creatorCustodio, Maria de Souza-
Autor(es): dc.creatorKuki, Cassia Akemi Castro-
Autor(es): dc.creatorTomaziello, Ana Carolina Nóbile-
Autor(es): dc.creatorGomes, Helber Barros-
Autor(es): dc.creatorRocha, Rosmeri Porfírio da-
Autor(es): dc.creatorCoelho, Caio A. S.-
Autor(es): dc.creatorPimentel, Raíssa de Matos-
Data de aceite: dc.date.accessioned2025-08-21T19:50:24Z-
Data de disponibilização: dc.date.available2025-08-21T19:50:24Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-05-23-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3389/fclim.2022.852824-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/240237-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/240237-
Descrição: dc.descriptionDry conditions occurred over São Paulo state (southeastern Brazil) from February to July 2018, causing the driest semester in 35 years. Socioeconomic impacts included a record number of fire spots, most adverse conditions to pollutant dispersion in 3 years and the winter's lowest water reservoirs stored volume in 17 years. This paper discusses climate drivers to the onset and persistence of the dry conditions, with special attention to the intraseasonal forcing. Barotropic atmospheric circulations forced by the intraseasonal Pacific-South America teleconnection pattern, embedded in the lower frequency setup of the Pacific Decadal Oscillation and the Atlantic Multidecadal Oscillation, were identified as main large-scale forcings to reduce precipitation. Drought evolution was modulated by other intraseasonal drivers such as the Madden Julian, Antarctic and 10–30 days Oscillations. A break in the 6-month dry condition, in March 2018, highlighted the important role of such oscillations in determining precipitation anomalies over SP. Results show that intraseasonal phenomena and their interactions control drought characteristics such as magnitude, persistence and spatial distribution within a setup determined by lower-frequency oscillations. The intraseasonal timescale seems to be key and must be considered for a complete description and understanding of the complex drought evolution process in São Paulo.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionPetrobras-
Descrição: dc.descriptionDepartment of Physics and Meteorology School of Sciences São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartamento de Ciências Atmosféricas Instituto de Astronomia Geofísica e Ciências Atmosféricas Universidade de São Paulo-
Descrição: dc.descriptionDepartment of Environmental Engineering Institute of Science and Technology (ICT) São Paulo State University (UNESP)-
Descrição: dc.descriptionGraduate Program in Natural Disasters UNESP/CEMADEN-
Descrição: dc.descriptionInstitute of Natural Resources Federal University of Itajubá (UNIFEI)-
Descrição: dc.descriptionDepartment of Soils and Agricultural Engineering Federal University of Paraná-
Descrição: dc.descriptionInstitute of Electric Systems and Energy Federal University of Itajubá (UNIFEI)-
Descrição: dc.descriptionInstitute of Atmospheric Sciences Federal University of Alagoas (UFAL)-
Descrição: dc.descriptionCenter for Weather Forecast and Climate Studies (CPTEC) National Institute of Space Research (INPE)-
Descrição: dc.descriptionDepartment of Physics and Meteorology School of Sciences São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Environmental Engineering Institute of Science and Technology (ICT) São Paulo State University (UNESP)-
Descrição: dc.descriptionGraduate Program in Natural Disasters UNESP/CEMADEN-
Descrição: dc.descriptionCNPq: 100186/2021-1-
Descrição: dc.descriptionPetrobras: 2017/00671-3-
Idioma: dc.languageen-
Relação: dc.relationFrontiers in Climate-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectdrought-
Palavras-chave: dc.subjectintraseasonal oscillations-
Palavras-chave: dc.subjectSPI-
Palavras-chave: dc.subjectSão Paulo-
Palavras-chave: dc.subjectteleconnection-
Título: dc.titleIntraseasonal Drivers of the 2018 Drought Over São Paulo, Brazil-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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