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The search expression was <secondaryty ci and ref conference and firstg DOP-CPT-INPE-MCTI-GOV-BR and y 2012 and not is *>.
6 references found looking up in 17 out of 17 Archives.
Search local date and time: 31/01/2023 07:08.
1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Siteplutao.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
IdentifierJ8LNKAN8RW/3C63RK8
Repositorydpi.inpe.br/plutao/2012/06.21.19.37.18
Last Update2012:08.29.12.39.46 (UTC) secretaria.cpa@dir.inpe.br
Metadata Repositorydpi.inpe.br/plutao/2012/06.21.19.37.19
Metadata Last Update2021:01.02.22.17.47 (UTC) administrator
Labellattes: 0652826426407936 1 AndradeSilMouAraFer:2012:EsCaCh
Citation KeyAndradeSilMouAraFer:2012:EsCaCh
TitleEstudo dos impactos das diferentes parametrizações de convecção do modelo Eta Workstation para eventos severos: um estudo de caso de chuva intensa sobre o vale do Paraíba - São Paulo e litoral sul do Rio de Janeiro
FormatDVD
Year2012
Access Date2023, Jan. 31
Secondary TypePRE CI
Number of Files1
Size1217 KiB
2. Context
Author1 Andrade, Kelen Martins
2 Silva, Philipp Edson Dias da
3 Moura, Rildo Gonçalves de
4 Araujo, Naiane Pinto
5 Fernandez, Julio Pablo Reyes
Group1 DOP-CPT-INPE-MCTI-GOV-BR
2 DOP-CPT-INPE-MCTI-GOV-BR
3 DOP-CPT-INPE-MCTI-GOV-BR
4 DOP-CPT-INPE-MCTI-GOV-BR
5 DMD-CPT-INPE-MCTI-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 kelen.andrade@cptec.inpe.br
e-Mail Addresskelen.andrade@cptec.inpe.br
Conference NameCongreso Argentino de Meteorología, 11 (CongreMet).
Conference LocationMendoza
Date2012
Book TitleAnais
Tertiary TypeArtigo
History (UTC)2012-06-22 00:11:00 :: lattes -> secretaria.cpa@dir.inpe.br :: 2012
2012-08-29 12:39:46 :: secretaria.cpa@dir.inpe.br -> administrator :: 2012
2021-01-02 22:17:47 :: administrator -> marciana :: 2012
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Keywordsparametrização da convecção
modelo eta
AbstractNeste trabalho foi feito uma breve avaliação da previsibilidade da precipitação do modelo ETA operacional e o ETAWorkStation com diferentes esquemas de parametrização convectiva Betts-Miller-Janjic (BMJ) e Kain-Fritsch (KF), para um caso de precipitação intensa ocorrida, aproximadamente, entre os dias 27 e 31 de dezembro de 2009 na Região Sudeste do Brasil. O modelo com parametrização BMJ e KF subestimou as chuvas de intensidade forte e moderada e superestimou às de intensidade fraca. As simulações com KF obtiveram melhores desempenhos para as chuvas moderada e forte, inclusive com indicativo de volume de chuva muito próximo ao real para o litoral sul do Rio de Janeiro. Apesar de nenhum dos esquemas ser melhor do que o outro, em todos os parâmetros analisados pode-se concluir que o ETA operacional embora não indicasse um volume significativo de chuva, apresentou padrões sinóticos na coluna troposférica e a distribuição da precipitação em superfície mais próximo do real. ABSTRACT: In this work was made a brief review of the precipitation predictability with ETAWorkStation and operational model ETA with different convective parameterization schemes (Betts-Miller-Janjic (BMJ) and Kain-Fritsch (KF)) for a case of intense precipitation which occurred approximately between 27 31 December, 2009, in southeastern Brazil. The BMJ and KF parameterizations underestimated the rainfall intensity and overestimated high and moderate to weak intensity. The simulations showed better results with KF to moderate and strong rains, including indicative of rainfall on coast south of Rio de Janeiro. Although the schemes do not show large improvements, based on the analyzed parameters can conclude that ETA had operating column tropospheric synoptic patterns and the distribution of precipitation on the surface closest to the real, however, did not indicate a significant amount ofrain.
AreaMET
Arrangement 1urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDMD > Estudo dos impactos...
Arrangement 2urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDOP > Estudo dos impactos...
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data URLhttp://urlib.net/ibi/J8LNKAN8RW/3C63RK8
zipped data URLhttp://urlib.net/zip/J8LNKAN8RW/3C63RK8
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URL (untrusted data)http://www.congremet.prmarg.org/upload/andradekelen.pdf
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6. Notes
Empty Fieldsarchivingpolicy archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi edition editor isbn issn lineage mark mirrorrepository nextedition notes numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup resumeid rightsholder secondarydate secondarykey secondarymark serieseditor session shorttitle sponsor subject tertiarymark type versiontype volume
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1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Siteplutao.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
IdentifierJ8LNKAN8RW/3C63RJG
Repositorydpi.inpe.br/plutao/2012/06.21.19.36.59
Last Update2012:08.29.14.26.53 (UTC) secretaria.cpa@dir.inpe.br
Metadata Repositorydpi.inpe.br/plutao/2012/06.21.19.37
Metadata Last Update2021:01.02.22.17.46 (UTC) administrator
Labellattes: 0652826426407936 2 MullherAndrRepi:2012:AvMuFr
Citation KeyMullerAndrRepiCava:2012:AvMuFr
TitleAvaliação das mudanças na frequencia de eventos extremos frios para o sul da América do Sul no clima futuro
FormatDVD
Year2012
Access Date2023, Jan. 31
Secondary TypePRE CI
Number of Files1
Size88 KiB
2. Context
Author1 Muller, Gabriela Viviana
2 Andrade, Kelen Martins
3 Repinaldo, Cintia R. R.
4 Cavalcanti, Iracema Fonseca de Albuquerque
Group1
2 DOP-CPT-INPE-MCTI-GOV-BR
3
4 DMD-CPT-INPE-MCTI-GOV-BR
Affiliation1 Centro de Investigación Científica y de Transferencia de Tecnología a la Producción (CICYTTP-CONICET)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Centro de Investigación Científica y de Transferencia de Tecnología a la Producción (CICYTTP-CONICET)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1
2 kelen.andrade@cptec.inpe.br
e-Mail Addresskelen.andrade@cptec.inpe.br
Conference NameCongreso Argentino de Meteorología, 11 (CongreMet).
Conference LocationMendoza
Date2012
Book TitleAnais
Tertiary TypeArtigo
History (UTC)2012-06-22 00:11:00 :: lattes -> secretaria.cpa@dir.inpe.br :: 2012
2012-08-29 14:26:53 :: secretaria.cpa@dir.inpe.br -> administrator :: 2012
2021-01-02 22:17:46 :: administrator -> marciana :: 2012
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Keywordsmudanças climáticas
frentes frias
modelos
climate change
cold fronts
models
AbstractO clima terrestre está em constante modificação, e mudanças geofísicas são capazes de causar alterações naturais nos padrões climáticos do planeta, influindo na incidência solar, na órbita terrestre e inclusive nas erupções vulcânicas. Por outro lado, a atmosfera também sofre constantes mudanças em sua composição devido à ação antropogênica, principalmente após o início do período industrial até a atualidade. A região sul da América do Sul é frequentemente afetada pela passagem de sistemas frontais, que são responsáveis, principalmente, por incursões de ar frio e acumulados significativos de chuva, causando impacto na agricultura e hidrologia locais, o que tem uma influência direta nos setores econômico e social da região. Objetivando investigar as frequências atuais e futuras destas incursões de ar frio na chamada Pampa Húmeda argentina (área 3), no centro-norte do Uruguai e sul do Brasil (área 2), e na região oriental do Paraguai e sul do Brasil (área 1), são utilizados os dados de reanálise NCEP/NCAR, o modelo Hadley e o modelo GFDL na versão acoplada oceano-atmosfera. São utilizados dados diários de maio a setembro, para os períodos 1961-1990, representando o clima presente, e 2081-2100, para o cenário futuro, considerando sempre os cinco eventos mais extremos. Em geral, na maioria das comparações para o tempo presente, ambos modelos reproduzem os padrões obtidos a partir dos compostos da reanálise do NCEP para o decréscimo de temperatura maior que 10°, apresentando configurações dos campos de pressão, temperatura e vento em 850 hPa e escoamento em 250 hPa bem simulados, no entanto, podendo algumas vezes não representar o valor das anomalias. Para o tempo futuro, o modelo GFDL prevê uma maior anomalia negativa de temperatura em 850 hPa na área 3 e um menor alcance latitudinal da linha de temperatura 0° nas áreas 2 e 3. No modelo Hadley, para a mesma situação, a linha de 0° pouco ultrapassa a latitude de 40° na área 1, chegando a apenas 45° nas outras áreas. Para eventos de temperatura inferior a 0°, o GFDL subestima suas frequências em relação ao NCEP em todas as áreas, no entanto, nas simulações para o futuro, apresenta anomalias mais fracas em relação ao presente. Já o Hadley, que falha em simular os campos de pressão, apresenta-se coerente em relação às temperaturas nas áreas 1 e 2, mostrando anomalias mais fracas em relação ao NCEP, as quais são ainda mais fracas para o tempo futuro. ABSTRACT: The Earth's climate is constantly changing, and geophysical changes are capable of causing natural changes in the climate patterns, affecting in the solar incidence, the Earth orbit and even in volcanic eruptions. On the other hand, the atmosphere also suffers constant changes in their composition due to human action, especially after the beginning of the industrial period to the present days. The southern region of South America is often affected by the passage of frontal systems, which are primarily responsible for the cold air incursions and significant accumulated rainfall, impacting on local hydrology and agriculture with influence on the economic and social activities in the region. In order to investigate the frequency of these cold air incursions in the argentine "Pampa Húmeda" (area 3), in the central-northern region of Uruguay and southern Brazil (area 2), and in the eastern region of Paraguay and southern Brazil (area 1), reanalysis data from NCEP / NCAR are used, as well as the Hadley model and the GFDL model in the coupled ocean-atmosphere version. This analysis is realized with daily data from May to September of the period 1961-1990, which represents the present climate, and 2081-2100 as the future scenario, always considering the five most extreme events. In general, in most of the comparisons with the present time, both models reproduce the patterns obtained from the NCEP reanalysis for temperature drops greater than 10°C; showing well simulated 850 hPa pressure, temperature and wind fields, and 250 hPa wind fields, although in occasions the models do not represent the values of the anomalies. For the future time, the GFDL model predicts greater negative temperature anomalies at 850 hPa in area 3, and a lower latitudinal range of the 0°C contour in areas 1 and 2. The Hadley model, for the same situation, shows that the 0°C contour slightly exceeds the 40 degree latitude on area 1, only reaching the 45 degree latitude in the others. For the below 0°C temperature events, the GFDL model underestimates their frequency in comparison to the NCEP model in all areas, however, the future simulations present weaker anomalies than in the present. The Hadley model, which fails to simulate the pressure field, is very consistent in the temperature fields, although it underestimates the temperature values for the present, and even more for the future.
AreaMET
Arrangement 1urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDMD > Avaliação das mudanças...
Arrangement 2urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDOP > Avaliação das mudanças...
doc Directory Contentaccess
source Directory Contentthere are no files
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4. Conditions of access and use
data URLhttp://urlib.net/ibi/J8LNKAN8RW/3C63RJG
zipped data URLhttp://urlib.net/zip/J8LNKAN8RW/3C63RJG
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Next Higher Units8JMKD3MGPCW/43SKC35
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URL (untrusted data)http://www.congremet.prmarg.org/upload/mullergabriela3.pdf
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6. Notes
Empty Fieldsarchivingpolicy archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi edition editor isbn issn lineage mark mirrorrepository nextedition notes numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup resumeid rightsholder secondarydate secondarykey secondarymark serieseditor session shorttitle sponsor subject tertiarymark type versiontype volume
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1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Siteplutao.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
IdentifierJ8LNKAN8RW/3C63EEB
Repositorydpi.inpe.br/plutao/2012/06.21.17.21.27
Last Update2012:08.29.14.44.15 (UTC) secretaria.cpa@dir.inpe.br
Metadata Repositorydpi.inpe.br/plutao/2012/06.21.17.21.28
Metadata Last Update2021:01.02.22.17.46 (UTC) administrator
Labellattes: 3740204682879028 1 Pinheiro:2012:AnEvNe
Citation KeyPinheiro:2012:AnEvNe
TitleAnálise de um evento de neve no Sul do Brasil e avaliação da ferramenta objetiva utilizada no CPTEC/INPE
FormatDVD
Year2012
Access Date2023, Jan. 31
Secondary TypePRE CI
Number of Files1
Size391 KiB
2. Context
AuthorPinheiro, Henri Rossi
GroupDOP-CPT-INPE-MCTI-GOV-BR
AffiliationInstituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Addresshenri.inpe@gmail.com
e-Mail Addresshenri.inpe@gmail.com
Conference NameCongreso Argentino de Meteorología, 11 (CongreMet).
Conference LocationMendoza
Date2012
Book TitleAnais
Tertiary TypeArtigo
History (UTC)2012-06-22 00:10:59 :: lattes -> secretaria.cpa@dir.inpe.br :: 2012
2012-08-29 14:44:15 :: secretaria.cpa@dir.inpe.br -> administrator :: 2012
2021-01-02 22:17:46 :: administrator -> marciana :: 2012
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Keywordsmétodo objetivo
Análise sinótica
snowfall
cyclogenesis
cyclonic vortex
objective tool
AbstractNeste trabalho é feita uma análise das condições atmosféricas associadas a um episódio de neve na Região Sul do Brasil, ocorrido entre os dias 26 e 27 de junho de 2011. Simulações com o modelo regional ETA (20 km) mostraram a presença de um Vórtice Ciclônico na troposfera média, com núcleo de ar frio posicionado nas proximidades da costa sul do Rio Grande do Sul. Simultaneamente ocorreu uma ciclogênese próximos ao litoral deste estado, favorecendo a intensificação da advecção fria e úmida para áreas serranas do RS e de SC. Por último, um método de previsão automática de neve, baseado na combinação de limiares de temperatura e umidade na camada baixa, foi avaliado para este evento, demonstrando um bom desempenho e permitindo identificar com antecedência a área com maior condição para a ocorrência do fenômeno. Palavras Chaves: precipitação de neve, ciclogênese, vórtice ciclônico, ferramenta objetiva. ABSTRACT: This paper presents an analysis of atmospheric conditions associated with a snowfall event in Southern Brazil, occurring on June 26-27, 2011. Simulations with regional ETA model (20 km) showed the presence of a cyclonic vortex in the middle troposphere, with its cold air core located around the south coast of the Rio Grande do Sul (RS) state. At the same time, there was a cyclogenesis around the RS coast, contributing for the intensification of cold and wet advection through mountainous areas in RS and Santa Catarina states. Finally, a method of snow automatic forecast, based on combination of thresholds for temperature and humidity in the lower layer, was evaluated for this event, showing a good performance and allowing the identification in advance of areas with the highest condition for snow occurrence.
AreaMET
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDOP > Análise de um...
doc Directory Contentaccess
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agreement Directory Contentthere are no files
4. Conditions of access and use
data URLhttp://urlib.net/ibi/J8LNKAN8RW/3C63EEB
zipped data URLhttp://urlib.net/zip/J8LNKAN8RW/3C63EEB
Languagept
Target Filerossipinheiro1.pdf
User Grouplattes
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Visibilityshown
Read Permissionallow from all
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/43SQKNE
URL (untrusted data)http://www.congremet.prmarg.org/paginas/index/trabajos
Host Collectiondpi.inpe.br/plutao@80/2008/08.19.15.01
6. Notes
Empty Fieldsarchivingpolicy archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi edition editor isbn issn lineage mark mirrorrepository nextedition notes numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup resumeid rightsholder secondarydate secondarykey secondarymark serieseditor session shorttitle sponsor subject tertiarymark type versiontype volume
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1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Siteplutao.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
IdentifierJ8LNKAN8RW/3C63EEJ
Repositorydpi.inpe.br/plutao/2012/06.21.17.21.34
Last Update2012:08.29.15.54.04 (UTC) secretaria.cpa@dir.inpe.br
Metadata Repositorydpi.inpe.br/plutao/2012/06.21.17.21.35
Metadata Last Update2021:01.02.22.17.46 (UTC) administrator
Labellattes: 3740204682879028 1 PinheiroAndrEsco:2012:AnSiAv
Citation KeyPinheiroAndrEsco:2012:AnSiAv
TitleAnálise sinótica e avaliação de um método objetivo de previsão de tempo para um evento extremo ocorrido no centro e noroeste da Argentina
FormatDVD
Year2012
Access Date2023, Jan. 31
Secondary TypePRE CI
Number of Files1
Size1151 KiB
2. Context
Author1 Pinheiro, Henri Rossi
2 Andrade, Kelen Martins
3 Escobar, Gustavo Carlos Juan
Group1 DOP-CPT-INPE-MCTI-GOV-BR
2 DOP-CPT-INPE-MCTI-GOV-BR
3 DOP-CPT-INPE-MCTI-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 henri.inpe@gmail.com
2 kelen.andrade@cptec.inpe.br
e-Mail Addresshenri.inpe@gmail.com
Conference NameCongreso Argentino de Meteorología, 11 (CongreMet).
Conference LocationMendoza
Date2012
Book TitleAnais
Tertiary TypeArtigo
History (UTC)2012-06-22 00:10:59 :: lattes -> secretaria.cpa@dir.inpe.br :: 2012
2012-08-29 15:54:04 :: secretaria.cpa@dir.inpe.br -> administrator :: 2012
2021-01-02 22:17:46 :: administrator -> marciana :: 2012
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Keywordstempo severo
previsão de tempo
AbstractNeste trabalho foi feita uma análise sinótica de um evento extremo sobre o centro e noroeste da Argentina, ocorrido no final de janeiro de 2012. Foi avaliado qualitativamente um método objetivo de previsão de tempo severo, cuja metodologia é baseada na combinação de índices de instabilidade e da componente termodinâmica e dinâmica da atmosfera. A escolha do limiar para cada índice de instabilidade permite determinar a intensidade da instabilidade atmosférica. O modelo utilizado foi o regional ETA nas resoluções espaciais de 15, 20 e 40 km. Embora as três resoluções analisadas tenham confirmado a ocorrência de temporais sobre parte da Argentina, na região de Córdoba o método não foi eficiente. Isto pode estar associado com o limiar usado para a umidade do ar e o movimento ascendente. Este resultado sugere que, tempestades severas sobre a Região Sudeste da América da Sul podem acontecer mesmo na ausência de valores elevados de umidade relativa do ar, necessitando neste caso de ajustes nas cartas de previsão automática. ABSTRACT: In this work was done a synoptic analysis of an extreme event over central and northwestern Argentina occurred in late January 2012. An objective method of weather severe forecasting was qualitatively evaluated, which methodology is based on instability index and thermodynamics and dynamics component of the atmosphere. The choice of each instability index threshold determines the intensity of atmospheric instability. The model used was the ETA in the 15, 20 and 40 km spatial resolutions. Although all resolutions analyzed have confirmed the occurrence of thunderstorms over Argentina, none of them was efficient for particular Cordoba region. This may be associated with the threshold used for humidity and the upward movement. This result suggests that severe storms over the Southeast Region of South America can develop in the absence of air relative humidity high values, requiring adjustments in the automatic forecast tool.
AreaMET
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDOP > Análise sinótica e...
doc Directory Contentaccess
source Directory Contentthere are no files
agreement Directory Contentthere are no files
4. Conditions of access and use
data URLhttp://urlib.net/ibi/J8LNKAN8RW/3C63EEJ
zipped data URLhttp://urlib.net/zip/J8LNKAN8RW/3C63EEJ
Languagept
Target Filerossipinheiro2.pdf
User Grouplattes
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Visibilityshown
Read Permissionallow from all
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/43SQKNE
URL (untrusted data)http://www.congremet.prmarg.org/paginas/index/trabajos
Host Collectiondpi.inpe.br/plutao@80/2008/08.19.15.01
6. Notes
Empty Fieldsarchivingpolicy archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi edition editor isbn issn lineage mark mirrorrepository nextedition notes numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup resumeid rightsholder secondarydate secondarykey secondarymark serieseditor session shorttitle sponsor subject tertiarymark type versiontype volume
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1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Siteplutao.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
IdentifierJ8LNKAN8RW/3C643GS
Repositorydpi.inpe.br/plutao/2012/06.21.20.37
Last Update2012:08.29.16.32.14 (UTC) marciana
Metadata Repositorydpi.inpe.br/plutao/2012/06.21.20.37.14
Metadata Last Update2022:03.26.16.11.10 (UTC) marciana
Labellattes: 9873289111461387 4 SantosVeMaFrGaLu:2012:PaStFi
Citation KeySantosVeMaFrGaPaLu:2012:PaStFi
TitleA parametric study for firefly algorithm by solving an inverse problem for precipitation field estimation
Year2012
Access Date2023, Jan. 31
Secondary TypePRE CI
Number of Files1
Size441 KiB
2. Context
Author1 Santos, Ariane F. dos
2 Velho, Haroldo F. de Campos
3 Mattos, João Gerd Z. De
4 Freitas, Saulo Ribeiro de
5 Gan, Manoel A.
6 Passos, Homailson L.
7 Luz, Eduardo F. P.
Resume Identifier1
2
3
4 8JMKD3MGP5W/3C9JJ7M
Group1 DOP-CPT-INPE-MCTI-GOV-BR
2 LAC-CTE-INPE-MCTI-GOV-BR
3 DMD-CPT-INPE-MCTI-GOV-BR
4 DMD-CPT-INPE-MCTI-GOV-BR
5 DOP-CPT-INPE-MCTI-GOV-BR
6
7 LAC-CTE-INPE-MCTI-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5 Instituto Nacional de Pesquisas Espaciais (INPE)
6
7 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 ariane.frassoni@cptec.inpe.br 
2 haroldo@lac.inpe.br 
3  
4 saulo.freitas@cptec.inpe.br
e-Mail Addresssaulo.freitas@cptec.inpe.br
Conference NameInternational Symposium on Uncertainty Quantification and Stochastic Modeling, 1.
Conference LocationMaresias
Date2012
Pagesxx
Book TitleProceedings
Tertiary TypePaper
History (UTC)2012-06-22 00:11:01 :: lattes -> secretaria.cpa@dir.inpe.br :: 2012
2012-08-29 16:32:15 :: secretaria.cpa@dir.inpe.br -> administrator :: 2012
2021-01-02 22:17:47 :: administrator -> marciana :: 2012
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsCloud parameterization
inverse problem
firefly optimization
BRAMS
AbstractIn this paper we consider the parameter estimation problem of weighting the ensemble of convective parameterizations implemented in the Brazilian developments on the Regional Atmospheric Modeling System (BRAMS). The inverse problem is applied to BRAMS precipitation simulations over South America for December 2004. The forward problem is addressed by BRAMS, and the ensemble of convective parameterizations are expressed by several methodologies used to parameterize convection. The inverse problem is formulated as an optimization problem applying the metaheuristic Firefly algorithm (FA) to retrieve the weights of the ensemble members. The FA algorithm represents the patterns of short and rhythmic fashes emitted by fireflies in order to attract other individuals. The flashing light is formulated in such a way that it is associated with the objective function. The precipitation data estimated by the Tropical Rainfall Measuring Mission (TRMM) satellite was used as the observed data. The quadratic difference between the model and the observed data was used as the objective function to determine the best combination of the ensemble members to reproduce the TRMM measurements. Sensitivity analysis was used to test the FA algorithm parameters to adjust the algorithm to retrieve precipitation observations. The tested parameters were the initial attractiveness and the gamma parameter, which characterizes the variation of the attractiveness and is very important in determining the speed of convergence of the method. The results showed a high sensitivity to the gamma parameter variation, and the largest values resulted in the best combinations of weights, resulting in a retrieved precipitation field closest to the observations.
AreaMET
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Languageen
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1. Identity statement
Reference TypeConference Abstract (Conference Proceedings)
Sitemtc-m16d.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP7W/3CF6CFH
Repositorysid.inpe.br/mtc-m19/2012/08.16.17.58
Metadata Repositorysid.inpe.br/mtc-m19/2012/08.16.17.58.11
Metadata Last Update2021:03.06.19.30.42 (UTC) administrator
Secondary KeyINPE--PRE/
Citation KeyTomasellaRodrSiquPrad:2012:ImClCh
TitleOn the impacts of climate change on the hydrological regimes in Amazon tributaries
Year2012
Access Date2023, Jan. 31
Secondary TypePRE CI
2. Context
Author1 Tomasella, Javier
2 Rodriguez, D. A.
3 Siquiera Jr., J. L.
4 Prado, Rodrigues
Resume Identifier1 8JMKD3MGP5W/3C9JHE3
Group1 DOP-CPT-INPE-MCTI-GOV-BR
2 CST-CST-SPG-INPE-MCTI-GOV-BR
3 CST-CST-SPG-INPE-MCTI-GOV-BR
4 CST-CST-SPG-INPE-MCTI-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
Conference NamePlanet Under Pressure Conference, (PUP).
Conference LocationLondon
Date26-29 Mar. 2012
Book TitleAbstracts
Tertiary TypePoster Session
History (UTC)2012-08-29 11:50:29 :: marciana -> administrator :: 2012
2012-12-14 22:59:54 :: administrator -> marciana :: 2012
2013-02-06 11:39:30 :: marciana -> administrator :: 2012
2021-03-06 19:30:42 :: administrator -> marciana :: 2012
3. Content and structure
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Content TypeExternal Contribution
Keywordsclimate change
hydrological regimes
Amazon floodplains
AbstractIn the last decade, the rate of population growth in the Amazon floodplains has been increasing and consequently land occupation, combined with fishing and wood over-exploitation. In addition, recent studies suggest that the Amazon hydrological cycle has been intensified since the seventies. Therefore, it is clear that an increase frequency of hydrological extreme, added to an increase explotation of natural resources, are adding an increased pressure over the Amazon floodplains. Brazilian governmental plans, in addition, includes the construction of hydroplants, paving new roads, developing of new waterways for navigation in Amazon tributaries, which might further accelerated those changes in the next decades. Governmental plans do not take into account the potential impacts of global climate changes in all those economic activities. This presentation analysed preliminary results of climate change in some Amazon tributaries produced at INPE. Model outputs suggest major impacts that could certainly jeopardize existent governmental plans.
AreaCST
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5. Allied materials
Mirror Repositorysid.inpe.br/mtc-m19@80/2009/08.21.17.02.53
Next Higher Units8JMKD3MGPCW/43SQKNE
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