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1. Identity statement
Reference TypeJournal Article
Sitemtc-m16d.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP7W/3EE5NSL
Repositorysid.inpe.br/mtc-m19/2013/07.08.14.36
Last Update2014:01.21.12.01.24 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m19/2013/07.08.14.36.07
Metadata Last Update2021:02.04.02.20.31 (UTC) administrator
DOI10.1175/JCLI-D-11-00426.1
ISSN0894-8755
Citation KeySilvaSaty:2013:EvLoEn
TitleEvolution of the Lorenz energy cycle in the intertropical convergence zone in the South American sector of the Atlantic Ocean
ProjectProcesso FAPESP: 11/13976-0 - Avaliações de impactos e vulnerabilidade às mudanças climáticas no Brasil e estratégias de opções de adaptação
Year2013
MonthMay
Access Date2024, May 20
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size2763 KiB
2. Context
Author1 Silva, Ligia Alves Da
2 Satyamurty, Prakki
Resume Identifier1
2 8JMKD3MGP5W/3C9JJ4J
Group1 CPT-CPT-INPE-MCTI-GOV-BR
2 CGI-CGI-INPE-MCTI-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 ligia.silva@inpe.br
e-Mail Addressmarcelo.pazos@inpe.br
JournalJournal of Climate
Volume26
Number10
Pages3466–3481
Secondary MarkA1 A1 A1 A1 A1 A2 B1
History (UTC)2013-07-08 14:36:07 :: marcelo.pazos@sid.inpe.br -> administrator ::
2021-02-04 02:20:31 :: administrator -> marcelo.pazos@inpe.br :: 2013
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
Keywordsintertropical convergence zone
atmospheric circulation
baroclinic flows
barotropic flows
large-scale motions
AbstractThe intertropical convergence zone (ITCZ) in the South American sector of the Atlantic Ocean is identified using outgoing longwave radiation (OLR) data in order to investigate the evolution of the Lorenz energy cycle in the region dominated by this large-scale feature. The NCEP reanalysis data are utilized to calculate the zonal and eddy components (denoted by Z and E, respectively) of kinetic energy K and available potential energy A (i.e., KZ, KE, AZ, and AE) and their conversions, on a daily basis. A wavelet decomposition of the time series is performed to detect long-term cycles/trends in the Atlantic ITCZ region. This work also investigates trends in sea surface temperature (SST) and sea level pressure (SLP) in the ITCZ region and connections between the ITCZ and the Southern Oscillation index (SOI). A strong annual cycle in all the energy components with high peaks in austral summer is observed. Approximately 91% of the zonal component of energy is contained on decadal or longer time scales. The annual and semiannual variabilities are significant and the synoptic-scale variability is also present. The zonal component of kinetic energy KZ presents a decreasing trend during the last 28 years, which means a weakening of trade winds in the region studied. The values of KZ and AE are significantly higher during the period 1982/83, indicating that the intense El NiñoSouthern Oscillation (ENSO) and/or the El Chichón eruption may have affected the circulation in the ITCZ region. The 28-yr mean energy conversion and generation terms are in general weaker than in the hemispheric calculations but the energy conversions proceed in the same sense as in the hemispheric situation.
AreaMET
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4. Conditions of access and use
data URLhttp://urlib.net/ibi/8JMKD3MGP7W/3EE5NSL
zipped data URLhttp://urlib.net/zip/8JMKD3MGP7W/3EE5NSL
Languageen
Target FileSilva_evolution.pdf
User Groupadministrator
marcelo.pazos@inpe.br
Reader Groupadministrator
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Visibilityshown
Archiving Policydenypublisher6 allowfinaldraft
Read Permissionallow from all
Update Permissionnot transferred
5. Allied materials
LinkingTrabalho Vinculado à Tese/Dissertação
Mirror Repositoryiconet.com.br/banon/2006/11.26.21.31
Next Higher Units8JMKD3MGPCW/3EUPEJL
8JMKD3MGPCW/4452C4P
Citing Item Listsid.inpe.br/bibdigital/2013/10.06.18.03 3
sid.inpe.br/bibdigital/2021/02.03.18.08 1
sid.inpe.br/mtc-m21/2012/07.13.14.58.28 1
URL (untrusted data)http://dx.doi.org/10.1175/JCLI-D-11-00426.1
DisseminationWEBSCI; PORTALCAPES; AGU; MGA; COMPENDEX; SCOPUS.
Host Collectionsid.inpe.br/mtc-m19@80/2009/08.21.17.02
6. Notes
Empty Fieldsalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel format isbn label lineage mark nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarytype
7. Description control
e-Mail (login)marcelo.pazos@inpe.br
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