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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21d.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34T/492TSMB
Repositóriosid.inpe.br/mtc-m21d/2023/05.02.11.57   (acesso restrito)
Última Atualização2023:05.02.11.57.23 (UTC) simone
Repositório de Metadadossid.inpe.br/mtc-m21d/2023/05.02.11.57.23
Última Atualização dos Metadados2024:01.02.17.16.42 (UTC) administrator
DOI10.1007/s00704-023-04375-7
ISSN0177-798X
Chave de CitaçãoFialhoCarvGanVeig:2023:MeCoPe
TítuloMechanisms controlling persistent South Atlantic Convergence Zone events on intraseasonal timescales
Ano2023
MêsJan.
Data de Acesso09 maio 2025
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho8719 KiB
2. Contextualização
Autor1 Fialho, Wendell Max Barbosa
2 Carvalho, Leila M. V.
3 Gan, Manoel Alonso
4 Veiga, Sandro F.
Identificador de Curriculo1
2
3 8JMKD3MGP5W/3C9JHNM
ORCID1 0000-0001-7997-9618
2 0000-0002-8662-1953
3 0000-0003-1322-1374
4 0000-0002-4546-1893
Grupo1 MET-MET-DIPGR-INPE-MCTI-GOV-BR
2
3 DIPTC-CGCT-INPE-MCTI-GOV-BR
Afiliação1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 University of California
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Nanjing University
Endereço de e-Mail do Autor1 wendell.falho@inpe.br
2 leila@eri.ucsb.edu
3 manoel.gan@inpe.br
4 sandroveiga@nju.edu.cn
RevistaTheoretical and Applied Climatology
Volume152
Páginas75-96
Nota SecundáriaA1_GEOGRAFIA A1_ENGENHARIAS_I A2_INTERDISCIPLINAR A2_GEOCIÊNCIAS A2_CIÊNCIAS_AMBIENTAIS A2_CIÊNCIAS_AGRÁRIAS_I B1_BIODIVERSIDADE B1_ARQUITETURA_E_URBANISMO B2_CIÊNCIAS_BIOLÓGICAS_I B3_ASTRONOMIA_/_FÍSICA
Histórico (UTC)2023-05-02 11:57:23 :: simone -> administrator ::
2023-05-02 11:57:23 :: administrator -> simone :: 2023
2023-05-02 11:57:56 :: simone -> administrator :: 2023
2024-01-02 17:16:42 :: administrator -> simone :: 2023
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
ResumoThe South Atlantic Convergence Zone (SACZ) is an important component of the South American Monsoon System. It is characterized by a persistent convective band with northwest-southeast orientation extending from tropical South America to Southwestern South Atlantic. The SACZ exhibits remarkable spatial and temporal variability and plays a critical role in regulating precipitation intensity and totals for millions of people living in South America. This study investigates mechanisms explaining persistent SACZ events (longer than 7 days) that often cause floods and landslides. This analysis extends from October 1996 to April 2014. To investigate the potential for subseasonal forecast of these events, this study focuses on mechanisms on intraseasonal timescales (20-90 days). We show that persistent SACZ events are preceded by a semi-stationary midlatitude Rossby wave train over the South Pacific with an equivalent barotropic structure that turns equatorward after crossing subtropical latitudes of South America. One distinctive feature of these events is the intensification of a trough in midlatitudes South Pacific westward of the Chilean coast preceding the events. Moreover, cyclonic persistent anomalies associated with the wave train over the western South Atlantic organize the oceanic SACZ six to 7 days before the events. Concomitantly, a persistent region with negative sea surface temperature (SST) anomalies emerges southward of the SACZ (between 30 degrees S and 50 degrees S) adjacent to the South American coast, likely resulting from the coupling between cyclonic circulation and the oceanic SACZ. Together, these processes strengthen the low-level westerlies on the SACZ equatorward side, causing the continental SACZ to intensify sustained by anomalous cyclonic circulation and enhanced southeastward moisture transport over land. Consequently, convection increases over the continent and the SACZ maintains active for long periods. Although shorter SACZ events (4 days) appear associated with the presence of a midlatitude wave train, their transient nature leads to distinct coupling effects. These observations are relevant for predicting long-lasting SACZ events.
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4. Condições de acesso e uso
Idiomaen
Arquivo Alvos00704-023-04375-7.pdf
Grupo de Usuáriossimone
Grupo de Leitoresadministrator
simone
Visibilidadeshown
Política de Arquivamentodenypublisher denyfinaldraft12
Permissão de Leituradeny from all and allow from 150.163
Permissão de Atualizaçãonão transferida
5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/3F35TRS
8JMKD3MGPCW/46KUATE
Lista de Itens Citandosid.inpe.br/bibdigital/2022/04.03.22.23 11
sid.inpe.br/mtc-m21/2012/07.13.14.54.28 8
sid.inpe.br/bibdigital/2013/10.15.01.34 6
DivulgaçãoWEBSCI; PORTALCAPES; MGA.
Acervo Hospedeirourlib.net/www/2021/06.04.03.40
6. Notas
Campos Vaziosalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn keywords label lineage mark mirrorrepository nextedition notes number parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarymark tertiarytype url
7. Controle da descrição
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