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Registro Completo |
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
01/12/2023 |
Data da última atualização: |
01/12/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MORTARINI, L.; DIAS-JÚNIOR, C. Q.; ACEVEDO, O.; OLIVEIRA, P. E. S.; TSOKANKUNKU, A.; SÖRGEL. M.; MANZI, A. O.; ARAUJO, A. C. de; BRONDANI, D. V.; TORO, I. M. C.; GIOSTRA, U.; CAVA, D. |
Afiliação: |
LUCA MORTARINI, UNIVERSIDADE FEDERAL DE SANTA MARIA; CLÉO Q. DIAS-JÚNIOR, INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA; OTÁVIO ACEVEDO, UNIVERSIDADE FEDERAL DE SANTA MARIA; PABLO E. S. OLIVEIRA, UNIVERSIDADE FEDERAL DO RIO GRANDE DO NORTE; ANYWHERE TSOKANKUNKU, MAX PLANCK INSTITUTE FOR CHEMISTRY; MATTHIAS SÖRGEL, MAX PLANCK INSTITUTE FOR CHEMISTRY; ANTÔNIO OCIMAR MANZ, INSTITUTO NACIONAL DE PESQUISAS ESPACIAIS; ALESSANDRO CARIOCA DE ARAUJO, CPATU; DAIANE V. BRONDANI, INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA; IVAN MAURICIO CELY TORO, UNIVERSIDADE FEDERAL DE SANTA MARIA; UMBERTO GIOSTRA, UNIVERSITÀ DEGLI STUDI DI URBINO CARLO BO; DANIELA CAVA, INSTITUTE OF ATMOSPHERIC SCIENCES AND CLIMATE. |
Título: |
Vertical propagation of submeso and coherent structure in a tall and dense amazon forest in different stability conditions. PART II: Coherent structures analysis. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Agricultural and Forest Meteorology, v. 322, 108993, July 2022. |
DOI: |
https://doi.org/10.1016/j.agrformet.2022.108993 |
Idioma: |
Inglês |
Conteúdo: |
Observations of the vertical structure of the turbulent flow in different stability regimes above and within the Amazon Forest at the Amazon Tall Tower Observatory (ATTO) site have been presented in Part I. Here, the influence of stability on the inception and development of coherent structures is investigated. According to the mixing-layer analogy the coherent vortices that dominate the turbulent flows at the canopy-atmosphere interface are generated by hydrodynamical instabilities triggered by an inflection in the vertical profile of the mean wind speed at or near the canopy top. The coherent motions time, and separation length scale, , depend on the shear length scale, , close to the canopy top. The present analysis studies the characteristics of , and in the five stability regimes defined in Part I. The behaviour of with stability is evaluated and parameterized. increases with decreasing stability, presenting two asymptotes for large unstable and stable stratification and a linear behaviour close to neutral stratification. Coherent structures and their timescale are detected with an original method based on the autocorrelation functions of 5-min subsets of turbulent quantities. The vertical time scale is larger in neutral conditions and decreases for both increasing and decreasing stability. At the canopy top the separation length scale presents a linear dependence on , whose slope is maximum in neutral conditions and decreases departing from neutrality. An original parameterization of the dependence of this slope on , where is the canopy height and is the Obukhov length, is shown. Combining the parameterizations, the dependence of the separation length scale is finally presented. has a maximum for slightly unstable conditions, linearly decreases towards neutral and weakly stable stratifications and then it tends to zero for very intense unstable and stable stratifications. MenosObservations of the vertical structure of the turbulent flow in different stability regimes above and within the Amazon Forest at the Amazon Tall Tower Observatory (ATTO) site have been presented in Part I. Here, the influence of stability on the inception and development of coherent structures is investigated. According to the mixing-layer analogy the coherent vortices that dominate the turbulent flows at the canopy-atmosphere interface are generated by hydrodynamical instabilities triggered by an inflection in the vertical profile of the mean wind speed at or near the canopy top. The coherent motions time, and separation length scale, , depend on the shear length scale, , close to the canopy top. The present analysis studies the characteristics of , and in the five stability regimes defined in Part I. The behaviour of with stability is evaluated and parameterized. increases with decreasing stability, presenting two asymptotes for large unstable and stable stratification and a linear behaviour close to neutral stratification. Coherent structures and their timescale are detected with an original method based on the autocorrelation functions of 5-min subsets of turbulent quantities. The vertical time scale is larger in neutral conditions and decreases for both increasing and decreasing stability. At the canopy top the separation length scale presents a linear dependence on , whose slope is maximum in neutral conditions and decreases departing from neutrality. An original para... Mostrar Tudo |
Palavras-Chave: |
Turbulência do dossel. |
Thesagro: |
Floresta Tropical. |
Thesaurus Nal: |
Amazonia. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 02886naa a2200301 a 4500 001 2159049 005 2023-12-01 008 2022 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.agrformet.2022.108993$2DOI 100 1 $aMORTARINI, L. 245 $aVertical propagation of submeso and coherent structure in a tall and dense amazon forest in different stability conditions. PART II$bCoherent structures analysis.$h[electronic resource] 260 $c2022 520 $aObservations of the vertical structure of the turbulent flow in different stability regimes above and within the Amazon Forest at the Amazon Tall Tower Observatory (ATTO) site have been presented in Part I. Here, the influence of stability on the inception and development of coherent structures is investigated. According to the mixing-layer analogy the coherent vortices that dominate the turbulent flows at the canopy-atmosphere interface are generated by hydrodynamical instabilities triggered by an inflection in the vertical profile of the mean wind speed at or near the canopy top. The coherent motions time, and separation length scale, , depend on the shear length scale, , close to the canopy top. The present analysis studies the characteristics of , and in the five stability regimes defined in Part I. The behaviour of with stability is evaluated and parameterized. increases with decreasing stability, presenting two asymptotes for large unstable and stable stratification and a linear behaviour close to neutral stratification. Coherent structures and their timescale are detected with an original method based on the autocorrelation functions of 5-min subsets of turbulent quantities. The vertical time scale is larger in neutral conditions and decreases for both increasing and decreasing stability. At the canopy top the separation length scale presents a linear dependence on , whose slope is maximum in neutral conditions and decreases departing from neutrality. An original parameterization of the dependence of this slope on , where is the canopy height and is the Obukhov length, is shown. Combining the parameterizations, the dependence of the separation length scale is finally presented. has a maximum for slightly unstable conditions, linearly decreases towards neutral and weakly stable stratifications and then it tends to zero for very intense unstable and stable stratifications. 650 $aAmazonia 650 $aFloresta Tropical 653 $aTurbulência do dossel 700 1 $aDIAS-JÚNIOR, C. Q. 700 1 $aACEVEDO, O. 700 1 $aOLIVEIRA, P. E. S. 700 1 $aTSOKANKUNKU, A. 700 1 $aSÖRGEL. M. 700 1 $aMANZI, A. O. 700 1 $aARAUJO, A. C. de 700 1 $aBRONDANI, D. V. 700 1 $aTORO, I. M. C. 700 1 $aGIOSTRA, U. 700 1 $aCAVA, D. 773 $tAgricultural and Forest Meteorology$gv. 322, 108993, July 2022.
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Embrapa Amazônia Oriental (CPATU) |
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Registros recuperados : 9 | |
2. | | GOUVEIA, V. M.; GOMES, J. F. B.; SOARES, A. C. D.; SILVA, H. R. e; SANTANA, T. R. de. Análise SWOT do projeto agroextrativista - Pae Bacuri I na baixada Maranhense. Pesquisa Florestal Brasileira, v. 39, e201902043, p. 83, 2019. Special issue. Abstracts of the XXV IUFRO World Congress, 2019.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Cocais. |
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3. | | VASCONCELOS, M. C.; SANTOS, A. C. A. da S.; BARBOSA, A. C.; SANTANA, T. R. de; RIBEIRO, D. O.; NOGUEIRA, L. C. Avaliação da capacidade de rebrota de plantas de gindiroba após procedimento de poda de ramas. In: SEMINÁRIO DO PROGRAMA INSTITUCIONAL DE BOLSAS DE INICIAÇÃO CIENTÍFICA - PIBIC/CNPQ, 5.; SEMINÁRIO DO PROGRAMA DE BOLSAS DE INICIAÇÃO CIENTÍFICA - PROBIC/UNIT, 10., 2008, Aracaju: UNIT, 2008. p. 293.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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4. | | BARBOSA, A. C.; SANTANA, T. R. de; VASCONCELOS, M. C.; SANTOS, A. C. A. da S.; RIBEIRO, D. O.; NOGUEIRA, L. C. Plantas competidoras em área de gindiroba para biodiesel cultivada em ambiente de baixada litorânea. In: SEMINÁRIO DO PROGRAMA INSTITUCIONAL DE BOLSAS DE INICIAÇÃO CIENTÍFICA - PIBIC/CNPQ, 5.; SEMINÁRIO DO PROGRAMA DE BOLSAS DE INICIAÇÃO CIENTÍFICA - PROBIC/UNIT, 10., 2008, Aracaju: UNIT, 2008. p. 386.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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5. | | SANTOS, A. C. A. da S.; VASCONCELOS, M. C.; SANTANA, T. R. de; BARBOSA, A. C.; VASCO, A. N. do; TUPINAMBÁ, E. A.; NOGUEIRA, L. C. Fenologia e dispersão do mandacaru em ambiente de restinga de Sergipe. In: JORNADA DE ENSINO, PESQUISA E EXTENSÃO DA UFRPE, 8.; SEMANA NACIONAL DE CIÊNCIA E TECNOLOGIA, 2888, Recife. Jepex 2008: anais. Recife: UFRPE, 2008.Tipo: Artigo em Anais de Congresso / Nota Técnica |
Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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6. | | SANTANA, T. R. de; BARBOSA, A. C.; SANTOS, A. C. A. da S.; RIBEIRO, D. O.; VASCONCELOS, M. C.; NOGUEIRA, L. C. Influência do substrato e de doses de farinha de rocha no desenvolvimento de mudas de pau-pombo (Tapirira guianensis Aubl.) em telado. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA, 19., 2009, São Cristóvão. Resumos...São Cristóvão: UFS, 2009. 1 CD-ROM. p. 532.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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7. | | BARBOSA, A. C.; SANTANA, T. R. de; VASCO, A. N.; RIBEIRO, D. O.; TUPINAMBÁ, E. A.; SIQUEIRA, E. R. de; TAVARES, E. D.; NOGUEIRA, L. C. Contribuição de sistemas agroflorestais para a fertilidade de um neossolo quartzarênico de restinga em Sergipe. In: JORNADA DE ENSINO, PESQUISA E EXTENSÃO DA UFRPE, 8.; SEMANA NACIONAL DE CIÊNCIA E TECNOLOGIA, 2888, Recife. Jepex 2008: anais. Recife: UFRPE, 2008.Tipo: Artigo em Anais de Congresso / Nota Técnica |
Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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8. | | BARBOSA, A. C.; SANTANA, T. R. de; SANTOS, A. C. A. da S.; RIBEIRO, D. O.; VASCONCELOS, M. C.; NOGUEIRA, L. C. Desenvolvimento inicial de mudas de pau-pombo (Tapirira guianensis Aubl.) em ambiente de capoeira para recomposição florestal. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA, 19., 2009, São Cristóvão. Resumos...São Cristóvão: UFS, 2009. 1 CD-ROM. p. 483.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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9. | | BATTESINI, M. D.; SANTOS, A. C. A. da S.; VASCONCELOS, M. C.; SANTANA, T. R. de; BARBOSA, A. C.; NOGUEIRA, L. C. Teor de umidade inicial, capacidade de embebição e germinação de sementes de gindiroba (Fevillea trilobata L.). In: SEMINÁRIO DO PROGRAMA INSTITUCIONAL DE BOLSAS DE INICIAÇÃO CIENTÍFICA - PIBIC/CNPQ, 5.; SEMINÁRIO DO PROGRAMA DE BOLSAS DE INICIAÇÃO CIENTÍFICA - PROBIC/UNIT, 10., 2008, Aracaju: UNIT, 2008. p. 412.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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Registros recuperados : 9 | |
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Nenhum registro encontrado para a expressão de busca informada. |
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