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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/3TP7UHP
Repositorysid.inpe.br/mtc-m21c/2019/08.01.10.47
Last Update2019:08.01.10.47.00 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21c/2019/08.01.10.47.01
Metadata Last Update2020:01.06.11.42.17 (UTC) administrator
DOI10.5194/angeo-37-603-2019
ISSN0992-7689
Citation KeySantosWras:2019:CoPhVo
TitleConverging photospheric vortex flows close to the polarity inversion line of a fully emerged active region
Year2019
MonthJuly
Access Date2024, May 17
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size5955 KiB
2. Context
Author1 Santos, Jean c.
2 Wrasse, Cristiano Max
Group1
2 DIDAE-CGCEA-INPE-MCTIC-GOV-BR
Affiliation1 Universidade Tecnológica Federal do Paraná (UFTPR)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1
2 cristiano.wrasse@inpe.br
JournalAnnales Geophysicae
Volume37
Number4
Pages603-612
Secondary MarkA2_INTERDISCIPLINAR A2_GEOCIÊNCIAS A2_ENGENHARIAS_I B2_CIÊNCIAS_BIOLÓGICAS_I B2_ASTRONOMIA_/_FÍSICA
History (UTC)2019-08-01 10:47:01 :: simone -> administrator ::
2019-08-01 10:47:01 :: administrator -> simone :: 2019
2019-08-01 10:47:35 :: simone -> administrator :: 2019
2020-01-06 11:42:17 :: administrator -> simone :: 2019
3. Content and structure
Is the master or a copy?is the master
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Content TypeExternal Contribution
Version Typepublisher
AbstractWe report on the occurrence of vortexes in flow fields obtained from the evolution of the line-of-sight component of the photospheric magnetic field in a region around the polarity inversion line (PIL) of a fully emerged active region. Based on a local linear approximation for the flow field, we identify the presence of critical points and classify them according to the eigenvalues of the Jacobian matrix of the linear transformation. Converging vortexes are associated with the presence of a particular kind of critical point, known as the attracting focus. We identified 12 converging vortexes in the analyzed period and detected the occurrence of other types of critical points, which indicate the complexity of the flow field around the PIL. The detected vortexes show a clockwise preferred sense of rotation with approximately 67% of the cases. A geometrical analysis of the velocity structures produced an average value of (D) over bar = 1.63 +/- 0.05 for the fractal dimension, which is very close to the one obtained for isotropic homogeneous turbulence (D = 5/3). This suggests that the flow around the PIL is turbulent in nature.
AreaCEA
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDAE > Converging photospheric vortex...
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4. Conditions of access and use
data URLhttp://urlib.net/ibi/8JMKD3MGP3W34R/3TP7UHP
zipped data URLhttp://urlib.net/zip/8JMKD3MGP3W34R/3TP7UHP
Languageen
Target Filesantos_convergins.pdf
User Groupsimone
Reader Groupadministrator
simone
Visibilityshown
Archiving Policyallowpublisher allowfinaldraft
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/3ETL868
Citing Item Listsid.inpe.br/bibdigital/2013/09.29.20.43 4
DisseminationWEBSCI; PORTALCAPES; COMPENDEX; SCOPUS.
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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