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Tipo de ReferênciaJournal Article
Siteplutao.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
IdentificadorJ8LNKAN8RW/3E7UQL2
Repositóriodpi.inpe.br/plutao/2013/05.31.19.21
Última Atualização2013:07.17.14.42.26 administrator
Metadadosdpi.inpe.br/plutao/2013/05.31.19.21.01
Última Atualização dos Metadados2018:06.04.23.39.08 administrator
DOI10.5923/j.ajee.20130301.06
ISSN2166-4633
2166-465X
Rótulolattes: 0107976161469463 2 MartinsSáMora:2013:CaSt
Chave de CitaçãoMartinsSáMora:2013:CaSt
TítuloLow Level Jets in the Pantanal Wetland Nocturnal Boundary Layer - Case Studies
Ano2013
Data de Acesso24 fev. 2021
Número de Arquivos1
Tamanho592 KiB
Área de contextualização
Autor1 Martins, Hardiney dos Santos
2 Sá, Leonardo Deane de Abreu
3 Moraes, Osvaldo Luiz Leal de
Identificador de Curriculo1
2 8JMKD3MGP5W/3C9JHLH
Grupo1
2 CRA-CCR-INPE-MCTI-GOV-BR
3 CPT-CPT-INPE-MCTI-GOV-BR
Afiliação1 1Departamento de Física, Instituto Federal de Educação, Ciência e Tecnologia do Pará (IFPA), no1155,PA, Belém, 66093-020, Brazil
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
Endereço de e-Mail do Autor1
2 leonardo.deane@pq.cnpq.br
3 osvaldo.moraes@cptec.inpe.br
Endereço de e-Mailleonardo.deane@pq.cnpq.br
RevistaAmerican Journal of Environmental Engineering
Volume3
Número1
Páginas32-47
Tipo SecundárioPRE PI
Histórico2013-05-31 20:29:16 :: lattes -> administrator :: 2013
2018-06-04 23:39:08 :: administrator -> marcelo.pazos@inpe.br :: 2013
Área de conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteudoExternal Contribution
Tipo de Versãopublisher
Palavras-ChavePantanal, camada limite noturna, jatos de baixos níveis, regimes de estabilidade, wavelets.
ResumoSituated in South America midwest region, Pantanal is a unique biome, alternating dry and flooded periods. An important seasonal variability characteristic from Pantanal's energy balance is the occurrence of situations in which sensible heat flux is positive (bottom-up) during night-time, when the region is flooded enough. In this study it is investigated an interesting aspect of Nocturnal Boundary Layer's (NBL) structure seasonal variability above Pantanal, that is, how Low-Level Jets (LLJ) occurrence and associated turbulent structure. For this, scale action of different Low-Level Jets (LLJ) types on Pantanal's Nocturnal Boundary Layer was investigated through case studies. Six events, distributed the following way, were used: Two events without LLJs, two events LLJs weak shear and two events LLJs strong shear. From the two events without LLJs, one of them is observed during the dry season and the other, during the flooded one. The same procedure was applied to other events (LLJs weak shear and LLJs strong shear). Vertical wind velocity and temperature variance, as well as the covariance among these variables were analyzed and investigated in scale via Wavelet Transform. Remarkable differences were observed among turbulence in NBL characteristics during the dry and flooded periods. It was observed that LLJ weak shear acts like a forcing that generates action of top-down mechanisms in the Pantanal's Nocturnal Boundary-layer. On the other hand, LLJ strong shear causes eddies blocking situations with length scales greater than the LLJ height. The decrease of the surface roughness at the flooded season, compared to the dry season, reduces remarkably the temperature variance in the lowest length scales below 350m. Such results are useful for a better understanding of seasonal variability in the Pantanal's Nocturnal Boundary-layer, as well as to other regions with similar environmental characteristics and must be taken into consideration in numerical simulations of the flow structure above the region.
AreaMET
Arranjo 1BDMCI > Fonds > Produção > CRCRA > Low Level Jets...
Arranjo 2BDMCI > Fonds > Produção > CGCPT > Low Level Jets...
Conteúdo da Pasta sourcenão têm arquivos
Conteúdo da Pasta agreementnão têm arquivos
Área de condições de acesso e uso
URL dos dadoshttp://urlib.net/rep/J8LNKAN8RW/3E7UQL2
URL dos dados zipadoshttp://urlib.net/zip/J8LNKAN8RW/3E7UQL2
Idiomaen
Arquivo Alvo10.5923.j.ajee.20130301.06.pdf
Grupo de Usuáriosadministrator
lattes
marcelo.pazos@inpe.br
Grupo de Leitoresadministrator
lattes
marcelo.pazos@inpe.br
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Permissão de Leituraallow from all
Permissão de Atualizaçãonão transferida
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Área de notas
NotasSetores de Atividade: Pesquisa e desenvolvimento científico.
Informações Adicionais: Doi: 10.5923/j.ajee.20130301.06.
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