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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/43T9CEH
Repositorysid.inpe.br/mtc-m21c/2021/01.05.14.22   (restricted access)
Last Update2021:01.05.14.22.28 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21c/2021/01.05.14.22.28
Metadata Last Update2022:04.03.22.27.59 (UTC) administrator
DOI10.1016/j.atmosres.2020.105299
ISSN0169-8095
Citation KeyCerónKAAAFMS:2021:ReInEx
TitleRecent intensification of extreme precipitation events in the La Plata Basin in Southern South America (1981–2018)
Year2021
MonthFeb.
Access Date2024, May 18
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size21675 KiB
2. Context
Author1 Cerón, Wilmar L.
2 Kayano, Mary Toshie
3 Andreoli, Rita V.
4 Avila-Diaz, Alvaro
5 Ayes, Irma
6 Freitas, Edmilson D.
7 Martins, Jorge A.
8 Souza, Rodrigo A. F.
Resume Identifier1
2 8JMKD3MGP5W/3C9JHST
Group1
2 DIMNT-CGCT-INPE-MCTI-GOV-BR
Affiliation1 Universidad del Valle
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Universidade do Estado do Amazonas (UEA)
4 Universidade Federal de Viçosa (UFV)
5 Instituto Nacional de Pesquisas da Amazônia (INPA)
6 Universidade de São Paulo (USP)
7 Universidade Federal Tecnológica do Paraná (UFTPR)
8 Universidade do Estado do Amazonas (UEA)
Author e-Mail Address1 wilmar.ceron@correounivalle.edu.co
2 mary.kayano@inpe.br
JournalAtmospheric Research
Volume249
Pagese105299
Secondary MarkA1_INTERDISCIPLINAR A1_CIÊNCIAS_AMBIENTAIS A2_GEOCIÊNCIAS A2_CIÊNCIAS_AGRÁRIAS_I B1_MATEMÁTICA_/_PROBABILIDADE_E_ESTATÍSTICA B1_ENGENHARIAS_IV B1_ENGENHARIAS_III B1_ENGENHARIAS_II B1_BIODIVERSIDADE B2_ASTRONOMIA_/_FÍSICA
History (UTC)2021-01-05 14:22:28 :: simone -> administrator ::
2021-01-05 14:22:30 :: administrator -> simone :: 2021
2021-01-05 14:24:16 :: simone -> administrator :: 2021
2022-04-03 22:27:59 :: administrator -> simone :: 2021
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsLa Plata Basin
Precipitation trends and changes
Extreme daily rainfall
Climate extreme indices
CHIRPS
AbstractChanges and trends in ten extreme daily rainfall indices in the La Plata Basin (LPB) during the 19812018 period were analyzed. These indices were evaluated for three regions in the LPB, namely the northern, central, and southern LPB (N-LPB, C-LPB, and S-LPB, respectively). A decrease in the maximum rainfall over five consecutive days (RX5day) and an increase in the consecutive dry days (CDD) were observed in N-LPB, mainly during the austral winter. An increase in the total wet-day precipitation was found in S-LPB, particularly during SeptemberNovember (SON), and during DecemberFebruary (DJF). The number of heavy precipitation days (R10mm) and CDD indices in S-LPB during SON showed a breaking point in 1999 and were followed by an increase in R10mm after 1999. Therefore, we discussed the large-scale climatic features that could be related to the breaking point in the extreme precipitation indices found in the S-LPB during SON, through correlation analysis. Our results indicate that R10mm shows significant positive correlations with the sea surface temperature (SST) in the Southwestern Subtropical Atlantic Region, mainly between 32°S22°S and 50 W34°W. The SST anomaly index in this oceanic region for SON during 19812018 displayed a significant upward change in 1999. Furthermore, the correlation map between this index and the vertically integrated moisture flux (VIMF) and its divergence, shows negative correlations in the S-LPB, which means a decrease of the moisture divergence in this region. This implies an increase (decrease) of R10mm, and a decrease (increase) of CDD in the S-LPB after (before) 1999. This relationship results from an anticyclone in the Southwestern Atlantic extending into the LPB up to 60°W, which causes an increase in the northwesterly moisture flux over central and southern parts of the basin, enhancing the moisture convergence over S-LPB. These insights have not been discussed previously, and might be relevant for future modeling studies and monitoring tasks.
AreaMET
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4. Conditions of access and use
Languageen
Target Fileceron_recent.pdf
User Groupsimone
Reader Groupadministrator
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Visibilityshown
Archiving Policydenypublisher denyfinaldraft24
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/46KUATE
Citing Item Listsid.inpe.br/bibdigital/2022/04.03.22.23 6
sid.inpe.br/mtc-m21/2012/07.13.14.56.22 1
DisseminationWEBSCI; PORTALCAPES; COMPENDEX; SCOPUS.
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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