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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/3RDGP88
Repositorysid.inpe.br/mtc-m21c/2018/07.05.19.04   (restricted access)
Last Update2018:07.05.19.04.52 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21c/2018/07.05.19.04.52
Metadata Last Update2021:01.02.22.16.22 (UTC) administrator
DOI10.1007/s00382-017-3932-2
ISSN0930-7575
Citation KeyZouMacSamRamKur:2018:ChEx20
TitleCharacterizing the exceptional 2014 drought event in São Paulo by drought period length
Year2018
MonthJuly
Access Date2024, June 13
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size1071 KiB
2. Context
Author1 Zou, Yong
2 Macau, Elbert Einstein Nehrer
3 Sampaio, Gilvan
4 Ramos, Antônio Mário de Torres
5 Kurths, Jürgen
Resume Identifier1
2 8JMKD3MGP5W/3C9JGUT
Group1
2
3 DIDOP-CGCPT-INPE-MCTIC-GOV-BR
4 COCTE-COCTE-INPE-MCTIC-GOV-BR
Affiliation1 East China Normal University
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5 University of Aberdeen
Author e-Mail Address1 yzou@phy.ecnu.edu.cn
2
3 gilvan.sampaio@inpe.br
4 antonio.ramos@inpe.br
JournalClimate Dynamics
Volume51
Number1/2
Pages433-442
Secondary MarkA1_INTERDISCIPLINAR A1_GEOCIÊNCIAS A1_CIÊNCIAS_BIOLÓGICAS_I A1_CIÊNCIAS_AMBIENTAIS A1_BIODIVERSIDADE A2_ENGENHARIAS_I A2_ASTRONOMIA_/_FÍSICA B1_CIÊNCIA_DA_COMPUTAÇÃO
History (UTC)2018-07-05 19:04:52 :: simone -> administrator ::
2018-07-05 19:04:53 :: administrator -> simone :: 2018
2018-07-05 19:05:31 :: simone -> administrator :: 2018
2021-01-02 22:16:22 :: administrator -> simone :: 2018
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsDrought period length · Precipitation · Southeast Brazil · Sea surface temperature · Sea level pressure · South Atlantic ocean
AbstractIn the last decade, the southeast region of Brazil has been suffering severe water shortages. Here, we propose to compute the expected drought period length to characterize the drought events in the region of São Paulo. We report the unique properties of the exceptional drought event during the austral summer 2014 by showing the differences and similarities to the very dry season in 2001 and the mild dry seasons in 2006 and 2015. Furthermore, we investigate the correlations of the abnormal precipitation deficit with the ocean and atmospheric patterns. In comparison to other drought events, we validate the hypothetical mechanism that underlies the exceptional drought 2014: (1) The existence of an anomalous high pressure center in the area acts as a blocking mechanism that prevents moisture transport from the Amazon and passage of cold front systems from south Brazil. This blocking high has been observed in all dry seasons considered, with much larger magnitude in 2014. (2) The much faster increasing trend of the anomalous sea surface temperature acts as a strong feedback which intensified the extreme climate conditions. The unprecedented increasing trend of the SST in 2014 was not observed in other climate variables representing a high pressure center. Therefore, we conclude that the exceptional drought 2014 was enhanced by the feedback mechanism of anomalous warming of SST in the South Atlantic Oceans, which was resulted from the anomalous high pressure.
AreaMET
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4. Conditions of access and use
Languageen
Target Filezou_characterizing.pdf
User Groupsimone
Reader Groupadministrator
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Visibilityshown
Archiving Policydenypublisher denyfinaldraft12
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/3ET76KE
8JMKD3MGPCW/43SQKNE
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.45.07 2
sid.inpe.br/bibdigital/2021/01.02.22.14 2
DisseminationWEBSCI; PORTALCAPES; AGU; COMPENDEX; SCOPUS.
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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