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Registro Completo |
Biblioteca(s): |
Embrapa Amapá; Embrapa Amazônia Oriental. |
Data corrente: |
30/05/2017 |
Data da última atualização: |
16/05/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MARTORANO, L. G.; VITORINO, M. I.; SILVA, B. P. P. C. da; MORAES, J. R. da S. C. de; LISBOA, L. S.; SOTTA, E. D.; REICHARDT, K. |
Afiliação: |
LUCIETA GUERREIRO MARTORANO, CPATU; MARIA ISABEL VITORINO, UFPA; BRUNA PAULA PANTOJA CAXIAS DA SILVA, UFRA/ESTAGIÁRIA CPATU; JOSÉ REINALDO DA SILVA CABRAL DE MORAES, Unesp; LEILA SHEILA LISBOA, USP; ELENEIDE DOFF SOTTA, USP; KLAUS REICHARDT, USP. |
Título: |
Climate conditions in the eastern amazon: Rainfall variability in Belem and indicative of soil water deficit. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
African Journal of Agricultural Research, v. 12, n. 21, p. 1801-1810, 2017. |
Idioma: |
Inglês |
Conteúdo: |
The objective of this study was to evaluat e the regimes of temperature and rainfall in Belém, PA, Brazil, with emphasis on the start of the dry season in order to provide planning support for agricultural activities during years of climatic anomolies in the region. An initial analysis was done of the metropolitan region of Belém comparing it to the typology of Amazonian climates using rainfall data from 1971 to 2014 and creating an annual index of precipitation anomolies (AIPA). The temperature regime was described using a homogeneous rainfall data set from 1990 to 2014. The hydrological balance was estimated for the period 1990 to 2014 using an index of capacity of soil water availability equal to 100 mm to identify the months with deficit or excess of soil water. Box plots were analyzed by decade a nd maximums of daily rainfall for the month of August were used. The Pareto principle was applied to 9 indices to assess the effects of rainfall quantity in relation to anomalous years. Although the metropolitan region of Belém is for the most part categor ized by the Af2 climate type it is possible to have prolonged soil water deficit from August through November, an effect that is intensified by the El Niño phenomenon. Furthermore, in the month of August there were years with extreme rainfall events, such as that of August 7th, 2010 where 72.4 mm of rainfall occurred representing 53% of total monthly rainfall. This event can be explained by the intense waves of humidity coming from the East that amplified local rainfall. During the last two decades extreme daily rainfall events have become more frequent, and rainfall reductions in the region have tended to intensify in areas that historically receive less rainfall such as the transition between the Amazonian and Savannah biomes. Therefore, in La Niña or El Niño years, the month of August can be considered to be the signal for meso-and large-scale atmospheric mechanisms that influence precipitation regimes and that can have a negative effect of the region?s agricultural productivity. MenosThe objective of this study was to evaluat e the regimes of temperature and rainfall in Belém, PA, Brazil, with emphasis on the start of the dry season in order to provide planning support for agricultural activities during years of climatic anomolies in the region. An initial analysis was done of the metropolitan region of Belém comparing it to the typology of Amazonian climates using rainfall data from 1971 to 2014 and creating an annual index of precipitation anomolies (AIPA). The temperature regime was described using a homogeneous rainfall data set from 1990 to 2014. The hydrological balance was estimated for the period 1990 to 2014 using an index of capacity of soil water availability equal to 100 mm to identify the months with deficit or excess of soil water. Box plots were analyzed by decade a nd maximums of daily rainfall for the month of August were used. The Pareto principle was applied to 9 indices to assess the effects of rainfall quantity in relation to anomalous years. Although the metropolitan region of Belém is for the most part categor ized by the Af2 climate type it is possible to have prolonged soil water deficit from August through November, an effect that is intensified by the El Niño phenomenon. Furthermore, in the month of August there were years with extreme rainfall events, such as that of August 7th, 2010 where 72.4 mm of rainfall occurred representing 53% of total monthly rainfall. This event can be explained by the intense waves of humidity comin... Mostrar Tudo |
Thesagro: |
Clima; Condição ambiental; Meteorologia; Precipitação pluvial. |
Thesaurus Nal: |
El Nino; La Nina; Meteorology and climatology. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/160348/1/MARTORANO-et-al-2017.pdf
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Marc: |
LEADER 02927naa a2200277 a 4500 001 2070196 005 2022-05-16 008 2017 bl uuuu u00u1 u #d 100 1 $aMARTORANO, L. G. 245 $aClimate conditions in the eastern amazon$bRainfall variability in Belem and indicative of soil water deficit.$h[electronic resource] 260 $c2017 520 $aThe objective of this study was to evaluat e the regimes of temperature and rainfall in Belém, PA, Brazil, with emphasis on the start of the dry season in order to provide planning support for agricultural activities during years of climatic anomolies in the region. An initial analysis was done of the metropolitan region of Belém comparing it to the typology of Amazonian climates using rainfall data from 1971 to 2014 and creating an annual index of precipitation anomolies (AIPA). The temperature regime was described using a homogeneous rainfall data set from 1990 to 2014. The hydrological balance was estimated for the period 1990 to 2014 using an index of capacity of soil water availability equal to 100 mm to identify the months with deficit or excess of soil water. Box plots were analyzed by decade a nd maximums of daily rainfall for the month of August were used. The Pareto principle was applied to 9 indices to assess the effects of rainfall quantity in relation to anomalous years. Although the metropolitan region of Belém is for the most part categor ized by the Af2 climate type it is possible to have prolonged soil water deficit from August through November, an effect that is intensified by the El Niño phenomenon. Furthermore, in the month of August there were years with extreme rainfall events, such as that of August 7th, 2010 where 72.4 mm of rainfall occurred representing 53% of total monthly rainfall. This event can be explained by the intense waves of humidity coming from the East that amplified local rainfall. During the last two decades extreme daily rainfall events have become more frequent, and rainfall reductions in the region have tended to intensify in areas that historically receive less rainfall such as the transition between the Amazonian and Savannah biomes. Therefore, in La Niña or El Niño years, the month of August can be considered to be the signal for meso-and large-scale atmospheric mechanisms that influence precipitation regimes and that can have a negative effect of the region?s agricultural productivity. 650 $aEl Nino 650 $aLa Nina 650 $aMeteorology and climatology 650 $aClima 650 $aCondição ambiental 650 $aMeteorologia 650 $aPrecipitação pluvial 700 1 $aVITORINO, M. I. 700 1 $aSILVA, B. P. P. C. da 700 1 $aMORAES, J. R. da S. C. de 700 1 $aLISBOA, L. S. 700 1 $aSOTTA, E. D. 700 1 $aREICHARDT, K. 773 $tAfrican Journal of Agricultural Research$gv. 12, n. 21, p. 1801-1810, 2017.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
13/01/1998 |
Data da última atualização: |
01/11/2012 |
Autoria: |
CARVALHO, C. H. S. de; ANGELO, P. C.; SANTOS, M. X. dos; MAGNAVACA, R.; GAMA, E. E. G. e; SILVA, A. E. da. |
Afiliação: |
EMBRAPA/CNPMS. |
Título: |
Seleção de germoplasma de milho para a produção de haplóides via cultura de anteras. |
Ano de publicação: |
1992 |
Fonte/Imprenta: |
In: EMBRAPA. Centro de Nacional de Pesquisa de Milho e Sorgo. Relatório técnico anual do Centro Nacional de Pesquisa de Milho e Sorgo 1988-1991. Sete Lagoas, 1992. p. 53-54. |
Idioma: |
Português |
Palavras-Chave: |
Cultura de tecidos; Culture; Maize; Tissue. |
Thesagro: |
Milho; Zea Mays. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/69264/1/Selecao-germoplasma.pdf
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Marc: |
LEADER 00812naa a2200241 a 4500 001 1478483 005 2012-11-01 008 1992 bl uuuu u00u1 u #d 100 1 $aCARVALHO, C. H. S. de 245 $aSeleção de germoplasma de milho para a produção de haplóides via cultura de anteras.$h[electronic resource] 260 $c1992 650 $aMilho 650 $aZea Mays 653 $aCultura de tecidos 653 $aCulture 653 $aMaize 653 $aTissue 700 1 $aANGELO, P. C. 700 1 $aSANTOS, M. X. dos 700 1 $aMAGNAVACA, R. 700 1 $aGAMA, E. E. G. e 700 1 $aSILVA, A. E. da 773 $tIn: EMBRAPA. Centro de Nacional de Pesquisa de Milho e Sorgo. Relatório técnico anual do Centro Nacional de Pesquisa de Milho e Sorgo 1988-1991. Sete Lagoas, 1992. p. 53-54.
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