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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
16/08/2001 |
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Data da última atualização: |
30/03/2015 |
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Autoria: |
BUCHMANN, J.; DIAS, P. L da S.; MOURA, A. D. |
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Afiliação: |
UFRJ. Departamento de Meteorologia (Rio de Janeiro, RJ); USP. Instituto Astronomico e Geofisico (Sao Paulo, SP); Instituto de Pesquisa Espaciais (Sao Jose dos Campos, SP). |
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Título: |
Transient convection over the Amazon/Bolivia region and the dynamics of drought over northeast Brazil. |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
Sao Jose dos Campos: INPE, 1985. |
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Páginas: |
31p. |
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Série: |
(INPE-3723-RPE/497). |
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Idioma: |
Inglês |
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Conteúdo: |
A two-layer, nonlinear, equatorial B-plane model, in p-coordinates is used to study the atmospheric response to a large scale prescribed heat source varying in time. The heat source is meant to represent a convective burst with total duration of approximately 48 hours over the Amazon/Bolivia region. The boundary conditions used are meridional velocity zero at 60oN and 60oS, w = 0 at the top and zero geometric velocity at the lower boundary. Sensitivity study was done which includes initial state at rest, compared with realistic initial flow. The scale of the heat source is 1500km in latitude and longitude and it is centered at 10oS. Special attention is paid to the distribution and intensity of the induced vertical motion. The model is integrated for two days and the preliminary results show agreement with the observed 200mb flow. Of interest is the establishment of a trough and descending motion to the northeast of the heat source. A conjecture is thus made that the Amazon heat source and its fluctuations bear some relationship with the drought problem over Northeast Brazil. |
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Palavras-Chave: |
Amazon; Amazonas; Brasil; Climate modeling; Nordeste; Northeast; Tropical heat source. |
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Thesagro: |
Clima Tropical; Seca. |
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Thesaurus Nal: |
Bolivia; Brazil; drought. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01863nam a2200301 a 4500
001 1808385
005 2015-03-30
008 1985 bl uuuu u0uu1 u #d
100 1 $aBUCHMANN, J.
245 $aTransient convection over the Amazon/Bolivia region and the dynamics of drought over northeast Brazil.
260 $aSao Jose dos Campos: INPE$c1985
300 $a31p.
490 $a(INPE-3723-RPE/497).
520 $aA two-layer, nonlinear, equatorial B-plane model, in p-coordinates is used to study the atmospheric response to a large scale prescribed heat source varying in time. The heat source is meant to represent a convective burst with total duration of approximately 48 hours over the Amazon/Bolivia region. The boundary conditions used are meridional velocity zero at 60oN and 60oS, w = 0 at the top and zero geometric velocity at the lower boundary. Sensitivity study was done which includes initial state at rest, compared with realistic initial flow. The scale of the heat source is 1500km in latitude and longitude and it is centered at 10oS. Special attention is paid to the distribution and intensity of the induced vertical motion. The model is integrated for two days and the preliminary results show agreement with the observed 200mb flow. Of interest is the establishment of a trough and descending motion to the northeast of the heat source. A conjecture is thus made that the Amazon heat source and its fluctuations bear some relationship with the drought problem over Northeast Brazil.
650 $aBolivia
650 $aBrazil
650 $adrought
650 $aClima Tropical
650 $aSeca
653 $aAmazon
653 $aAmazonas
653 $aBrasil
653 $aClimate modeling
653 $aNordeste
653 $aNortheast
653 $aTropical heat source
700 1 $aDIAS, P. L da S.
700 1 $aMOURA, A. D.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| Registros recuperados : 1 | |
| 1. |  | LIMA, E. R.; FREIRE, R. P.; SUZUKI, M. F.; OLIVEIRA, J. E.; YOSIDAKI, V. L.; PERONI, C. N.; SEVILHANO, T.; ZORZETO, M.; TORATI, L. S.; SOARES, C. R. J.; LIMA, I. D. de M.; KRONENBERGER, T.; MALTAROLLO, V. G.; BARTOLINI, P. Isolation and characterization of the Arapaima gigas growth hormone (ag-GH) cDNA and three-dimensional modeling of this hormone in comparison with the human hormone (hGH). Biomolecules, v. 13, n. 1, art. 158, 2023.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
| Biblioteca(s): Embrapa Pesca e Aquicultura. |
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| Registros recuperados : 1 | |
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