1. Identity statement | |
Reference Type | Conference Paper (Conference Proceedings) |
Site | mtc-m16c.sid.inpe.br |
Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
Repository | sid.inpe.br/mtc-m18@80/2008/10.08.12.56 (restricted access) |
Last Update | 2008:10.08.12.57.19 (UTC) administrator |
Metadata Repository | sid.inpe.br/mtc-m18@80/2008/10.08.12.56.25 |
Metadata Last Update | 2021:01.02.03.56.02 (UTC) administrator |
Secondary Key | INPE-15570-PRE/10295 |
Citation Key | GuimarãesChouDere:2008:AnCaZC |
Title | Análise de casos de ZCAS utilizando técnicas de agrupamento |
Format | CD-ROM |
Year | 2008 |
Secondary Date | 20080824 |
Access Date | 2024, May 13 |
Secondary Type | PRE CN |
Number of Files | 1 |
Size | 49 KiB |
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2. Context | |
Author | 1 Guimarães, Jessica Motta 2 Chou, Sin Chan 3 Dereczynski, Claudine |
Group | 1 2 DMD-CPT-INPE-MCT-BR |
Affiliation | 1 Instituto de Geociências, Departamento de Meteorologia, Universidade Federal do Rio de Janeiro, RJ-BRA 2 Instituto Nacional de Pesquisas Espaciais (INPE/CPTEC) 3 Instituto de Geociências, Departamento de Meteorologia, Universidade Federal do Rio de Janeiro, RJ-BRA |
e-Mail Address | deicy@cptec.inpe.br |
Conference Name | Congresso Brasileiro de Meteorologia, 15. |
Conference Location | São Paulo |
Date | 24-29 ago |
Book Title | Anais |
Tertiary Type | Artigo |
Organization | SBMET |
History (UTC) | 2008-12-12 15:14:48 :: deicy -> administrator :: 2021-01-02 03:56:02 :: administrator -> marciana :: 2008 |
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3. Content and structure | |
Is the master or a copy? | is the master |
Content Stage | completed |
Transferable | 1 |
Content Type | External Contribution |
Keywords | agrupamento modelo Eta ZCAS deslizamentos cluster analysis Eta Model SACZ landslides |
Abstract | No presente trabalho a técnica de análise de agrupamento é utilizada a fim de classificar diferentes casos de Zonas de Convergência do Atlântico Sul (ZCAS) como associados ou não a eventos de deslizamentos. Dentre todos os casos observados de ZCAS ocorridos no período de 1998 a 2007 (53 casos), 18 estiveram associados com ocorrência de deslizamentos na Região Sudeste. A Análise foi baseada na técnica de agrupamento conhecida como K-means. Os dados de entrada do programa K-means foram as alturas geopotenciais em 500 hPa previstas pelo modelo Eta (40 km) com 48 h de antecedência.. Essa análise compara diversas variáveis a partir de um valor referência inicial e assim estabelece uma separação dos casos considerados mais severos dos menos críticos. O método provou ser eficiente em separar casos severos associados a deslizamentos, daqueles sem deslizamento, mostrando menores valores de geopotencial no primeiro caso. ABSTRACT: In this work, cluster analysis is applied to Eta Model forecasts to identify cases of South Atlantic Convergence Zone (SACZ) associated with landslides in the Serra do Mar, around Sao Paulo region. Among the 53 SACZ cases which occurred during the period 1998-2007, 18 cases were associated with landslides in the Southeast Region. The analysis was based on the k-means clustering procedure and was applied to distinguish more severe cases (associated with landslides) from the others. The 48-h forecasts of 500-hPa geopotential height was used as input data to the K-means program. The method proved to be efficient in grouping severe cases from less intense ones, showing lower values of 500-hPa geopotential height in the first group. |
Area | MET |
Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDMD > Análise de casos... |
doc Directory Content | access |
source Directory Content | there are no files |
agreement Directory Content | there are no files |
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4. Conditions of access and use | |
Language | pt |
Target File | artigo_agrupamento_oficial.pdf |
User Group | administrator deicy |
Visibility | shown |
Copy Holder | SID/SCD |
Read Permission | deny from all and allow from 150.163 |
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5. Allied materials | |
Next Higher Units | 8JMKD3MGPCW/43SKC35 |
Host Collection | sid.inpe.br/mtc-m18@80/2008/03.17.15.17 |
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6. Notes | |
Empty Fields | archivingpolicy archivist callnumber copyright creatorhistory descriptionlevel dissemination documentstage doi edition editor electronicmailaddress identifier isbn issn label lineage mark mirrorrepository nextedition notes numberofvolumes orcid pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup resumeid rightsholder schedulinginformation secondarymark serieseditor session shorttitle sponsor subject tertiarymark type url versiontype volume |
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7. Description control | |
e-Mail (login) | marciana |
update | |
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