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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/42475BH
Repositorysid.inpe.br/mtc-m21c/2020/03.03.12.52   (restricted access)
Last Update2020:03.03.12.52.54 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21c/2020/03.03.12.52.54
Metadata Last Update2022:01.04.01.34.59 (UTC) administrator
DOI10.1007/s00382-019-05089-1
ISSN0930-7575
Citation KeyPinheiroHodgGan:2020:ERNCME
TitleAn intercomparison of subtropical cut-off lows in the Southern Hemisphere using recent reanalyses: ERA-Interim, NCEP-CFRS, MERRA-2, JRA-55, and JRA-25
Year2020
Monthjan.
Access Date2024, May 20
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size2407 KiB
2. Context
Author1 Pinheiro, Henri Rossi
2 Hodges, Kevin Ivan
3 Gan, Manoel Alonso
Resume Identifier1
2
3 8JMKD3MGP5W/3C9JHNM
ORCID1 0000-0003-4363-3206
Group1 MET-MET-SESPG-INPE-MCTIC-GOV-BR
2
3 DIDOP-CGCPT-INPE-MCTIC-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 The University of Reading
3 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 henrirpinheiro@gmail.com
2 k.i.hodges@reading.ac.uk
3 manoel.gan@inpe.br
JournalClimate Dynamics
Volume54
Number1/2
Pages777-792
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)2020-03-03 12:52:54 :: simone -> administrator ::
2020-03-03 12:52:55 :: administrator -> simone :: 2020
2020-03-03 12:53:33 :: simone -> administrator :: 2020
2022-01-04 01:34:59 :: administrator -> simone :: 2020
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsCut-of lows · Comparison · Reanalysis · Objective identifcation · Climatology
AbstractFour recent reanalysis products ERA-Interim, NCEP-CFSR, MERRA-2 and JRA-55 are evaluated and compared to an older reanalysis JRA-25, to quantify their confdence in representing Cut-of lows (COLs) in the Southern Hemisphere. The climatology of COLs based on the minima of 300-hPa vorticity (휉300) and 300-hPa geopotential (Z300) provides diferent perspectives of COLs and contributes to the understanding of the discrepancies observed in the literature regarding their numbers and seasonality. The COLs compare better among the newest reanalyses than compared to the older reanalysis JRA-25. The diference in number between the latest reanalyses are generally small for both 휉300 and, with more COLs identifed in 휉300 than in Z300 for all reanalyses. The spatial diferences observed between the newest reanalyses are mainly due to diferences in the track lengths, which is larger in ERA-Interim and JRA-55 than in NCEP-CFSR and MERRA-2, resulting in disparities in the track density. This is likely due to the diference in the assimilation data system used in each reanalysis product. The largest diferences in intensities occur in the 휉300, because this feld is very sensitive to the reanalysis resolution. The mean separation distance of the COLs that match between the latest reanalyses are generally small, while the older JRA-25 has a broader distribution and larger number of matches with relatively large distances, indicating larger uncertainties in location of COLs. The results show signifcant improvements for the most recent reanalyses compared to the older JRA-25 reanalysis, indicating a progress in representing the COL properties.
AreaMET
Arrangement 1urlib.net > BDMCI > Fonds > Produção pgr ATUAIS > MET > An intercomparison of...
Arrangement 2urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDOP > An intercomparison of...
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4. Conditions of access and use
Languageen
Target Filepinheiro_an.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/3F35TRS
8JMKD3MGPCW/43SQKNE
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.54.28 6
sid.inpe.br/bibdigital/2013/10.15.01.34 2
DisseminationWEBSCI; PORTALCAPES; AGU; COMPENDEX; SCOPUS.
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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