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| Registros recuperados : 26 | |
| 2. |  | LOPES, J. C.; DIAS, M. A. Efeito do estresse salino no vigor e na germinação das sementes e desenvolvimento inicial de plântulas de cenoura. Horticultura Brasileira, Brasília, v. 22, n. 2, jul. 2004. Suplemento 2. CD-ROM. Trabalho apresentado no 44º Congresso Brasileiro de Olericultura, 2004. Publicado também como resumo em: Horticultura Brasileira, Brasília, v. 22, n. 2, p. 357, jul. 2004. Suplemento 1.| Biblioteca(s): Embrapa Hortaliças. |
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| 11. | | DIAS, M. A.; DIAS, D. C. F. S.; ZONTA, J. B.; GOMES JUNIOR, F. G.; CICERO, S. M. Alterações morfológicas e qualidade fisiológica de sementes de mamão. In: CONGRESSO BRASILEIRO DE SEMENTES, 18., 2013, Florianópolis, SC. A semente na produtividade agrícola e na conservação de recursos genéticos. Londrina, PR: Associação Brasileira de Tecnologia de Sementes, 2013. Resumo| Biblioteca(s): Embrapa Maranhão. |
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| 12. | | ROCHA, H. R. da; CABRAL, O. M. R.; DIAS, M. A. F. da S.; BARBOSA, V.; CARVALHO, R. S. Fluxos turbulentos de calor, H2O e CO2, sobre cana-de-açúcar em Sertãozinho, SP. In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 10., 1997, Piracicaba. Agrometeorologia, monitoramento ambiental e agricultura sustentável: anais. Piracicaba: SBA / 544-| Biblioteca(s): Embrapa Meio Ambiente. |
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| 13. | | CABRAL, O. M. R.; ROCHA, H. R. da; LIGO, M. A. V.; BRUNINI, O.; DIAS, M. A. F. S. Fluxos turbulentos de calor sensível, vapor de água e CO2 sobre plantação de cana-de-açucar (Saccharum sp.) em Sertãozinho-SP. Revista Brasileira de Meteorologia, Rio de Janeiro, v. 18, n. 1, p. 61-70, 2003.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 15. | | MONDO, V. H. V.; CICERO, S. M.; DOURADO-NETO, D.; PUPIM, T. L.; DIAS, M. A. N. Effect of seed vigor on intraspecific competition and grain yield in maize. Agronomy Journal, Madison, v. 105, n. 1, p. 222-228, 2013.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 17. | | DIAS, M. A. N.; MONDO, V. H. V.; CICERO, S. M.; GONÇALVES, N. R.; SILVA, C. A. T. da. Vigor tests association as an alternative for precise and efficient assessment of maize seed quality. Revista Caatinga, Mossoró, v. 28, n. 3, p. 93-99, jul./set. 2015.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 19. | | RODRIGUES, J. de O.; MONTE, J. A.; OLIOSI, G.; DIAS, M. A.; PARTELII, F. L.; PIRES, F. R.; ESPINDULA, M. C. Perdas por volatilização de diferentes adubos nitrogenados aplicados no cafeeiro Conilon. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 30.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 14.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 12.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 9.; SIMPÓSIO SOBRE SELÊNIO NO BRASIL, 1., 2012, Maceió. A responsabilidade socioambiental da pesquisa agrícola: anais. Viçosa, MG: SBCS, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Rondônia. |
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| 20. | | RIBEIRO, P. T.; DIAS, M. A. C.; SILVA, A. M. D. da; AFFONSO, E. G.; BOIJINK, C. de L.; INOUE, L. A. K. A. Respostas sanguíneas e plasmáticas do tambaqui (Colossoma macropomum) a banhos anestésicos de eugenol. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA AMAZÔNIA OCIDENTAL, 6., 2010, Manaus. Anais... Manaus: Embrapa Amazônia Ocidental, 2010. p. 131-135.| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| Registros recuperados : 26 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
04/07/2007 |
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Data da última atualização: |
17/03/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
ALVALÁ, R. C. S.; GIELOW, R.; ROCHA, H. R. da; FREITAS, H. C.; LOPES, J. M.; MANZI, A. O.; RANDOW, C. von; DIAS, M. A. F. S.; CABRAL, O. M. R.; WATERLOO, M. J. |
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Afiliação: |
R. C. S. ALVALA, Instituto Nacional de Pesquisas Espaciais/SP; R. GIELOW, Instituto Nacional de Pesquisas Espaciais/SP; H. R. DA ROCHA,, USP/SP; H. C. FREITAS, USP/SP; J. M. LOPES, USP; A. O. MANZI,, Instituto Nacional de Pesquisas Espaciais/SP; C. VON RANDOW, Instituto Nacional de Pesquisas Espaciais; M. A. F. S. DIAS, USP; OSVALDO MACHADO RODRIGUES CABRAL, CNPMA; M. J. WATERLOO, Vrije Universiteit Amsterdam, Amsterdam, Netherlands. |
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Título: |
Intradiurnal and seasonal variability of soil temperature, heat flux, soil moisture content, and thermal properties under forest and pasture in Rondônia. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Journal of Geophysical Research, Washington, v. 107, n. D20, p. LBA10-1 - LBA 10-20, 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
Soil temperatures depend on the soil heat flux, an important parameter in meteorological and plant growth-energy balance models. Thus, they were measured, together with soil moisture contents, within the LBA program at forest (Reserva Jaru) and pasture (Fazenda Nossa Senhora) sites in Rondônia, Brazilian Amazonia during wet (February) and dry (August) periods of 1999. The wet period showed maxima of the heat flux into the soil around five to six times smaller at the forest than at the pasture, except for some spikes that are related to stronger solar forcing, such as those due to sunspecks in the forest. This pattern remained during the dry period, but with doubled maximum values. Also, the soil heat flux and the soil temperatures responded very significantly to the passage of cold fronts in both periods at both sites. Temperature profiles measured in the 0.10-0.40 m soil layer showed daily averages and ranges smaller at the forest than at the pasture. The daily average of the soil moisture content in the same layer, during the wet season, increased with depth at both sites, with consistently lower values at the forest. However, their ranges were smaller at the pasture, except for the 0.40 m depth. During the dry period, these ranges were much higher at the pasture, but with nearer average values. Finally, the computed daily apparent soil thermal diffusivities, volumetric heat contents, and thermal conductivities are presented, with the first ones crossed with the measured soil moisture content. MenosSoil temperatures depend on the soil heat flux, an important parameter in meteorological and plant growth-energy balance models. Thus, they were measured, together with soil moisture contents, within the LBA program at forest (Reserva Jaru) and pasture (Fazenda Nossa Senhora) sites in Rondônia, Brazilian Amazonia during wet (February) and dry (August) periods of 1999. The wet period showed maxima of the heat flux into the soil around five to six times smaller at the forest than at the pasture, except for some spikes that are related to stronger solar forcing, such as those due to sunspecks in the forest. This pattern remained during the dry period, but with doubled maximum values. Also, the soil heat flux and the soil temperatures responded very significantly to the passage of cold fronts in both periods at both sites. Temperature profiles measured in the 0.10-0.40 m soil layer showed daily averages and ranges smaller at the forest than at the pasture. The daily average of the soil moisture content in the same layer, during the wet season, increased with depth at both sites, with consistently lower values at the forest. However, their ranges were smaller at the pasture, except for the 0.40 m depth. During the dry period, these ranges were much higher at the pasture, but with nearer average values. Finally, the computed daily apparent soil thermal diffusivities, volumetric heat contents, and thermal conductivities are presented, with the first ones crossed with the measured s... Mostrar Tudo |
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Palavras-Chave: |
Fluxo de calor; Variabilidade. |
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Thesagro: |
Balanço de Energia; Floresta; Pastagem; Temperatura do Solo; Umidade do Solo. |
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Thesaurus NAL: |
Amazonia. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/15531/1/AlvalaIntradiurnal6959.pdf
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Marc: |
LEADER 02534naa a2200325 a 4500
001 1015531
005 2021-03-17
008 2002 bl uuuu u00u1 u #d
100 1 $aALVALÁ, R. C. S.
245 $aIntradiurnal and seasonal variability of soil temperature, heat flux, soil moisture content, and thermal properties under forest and pasture in Rondônia.$h[electronic resource]
260 $c2002
520 $aSoil temperatures depend on the soil heat flux, an important parameter in meteorological and plant growth-energy balance models. Thus, they were measured, together with soil moisture contents, within the LBA program at forest (Reserva Jaru) and pasture (Fazenda Nossa Senhora) sites in Rondônia, Brazilian Amazonia during wet (February) and dry (August) periods of 1999. The wet period showed maxima of the heat flux into the soil around five to six times smaller at the forest than at the pasture, except for some spikes that are related to stronger solar forcing, such as those due to sunspecks in the forest. This pattern remained during the dry period, but with doubled maximum values. Also, the soil heat flux and the soil temperatures responded very significantly to the passage of cold fronts in both periods at both sites. Temperature profiles measured in the 0.10-0.40 m soil layer showed daily averages and ranges smaller at the forest than at the pasture. The daily average of the soil moisture content in the same layer, during the wet season, increased with depth at both sites, with consistently lower values at the forest. However, their ranges were smaller at the pasture, except for the 0.40 m depth. During the dry period, these ranges were much higher at the pasture, but with nearer average values. Finally, the computed daily apparent soil thermal diffusivities, volumetric heat contents, and thermal conductivities are presented, with the first ones crossed with the measured soil moisture content.
650 $aAmazonia
650 $aBalanço de Energia
650 $aFloresta
650 $aPastagem
650 $aTemperatura do Solo
650 $aUmidade do Solo
653 $aFluxo de calor
653 $aVariabilidade
700 1 $aGIELOW, R.
700 1 $aROCHA, H. R. da
700 1 $aFREITAS, H. C.
700 1 $aLOPES, J. M.
700 1 $aMANZI, A. O.
700 1 $aRANDOW, C. von
700 1 $aDIAS, M. A. F. S.
700 1 $aCABRAL, O. M. R.
700 1 $aWATERLOO, M. J.
773 $tJournal of Geophysical Research, Washington$gv. 107, n. D20, p. LBA10-1 - LBA 10-20, 2002.
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Embrapa Meio Ambiente (CNPMA) |
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