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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
25/08/2016 |
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Data da última atualização: |
13/02/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GOTARDO, J. T.; RODRIGUES, L. N.; GOMES, B. M. |
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Afiliação: |
JACKELINE T. GOTARDO, UNIOESTE; LINEU NEIVA RODRIGUES, CPAC; BENEDITO M. GOMES, UNIOESTE. |
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Título: |
Estimation of climatological water deficit in an experimental watershed in the brazilian cerrado. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Engenharia Agrícola, Jaboticabal, v. 36, n. 4, p. 631-645, jul./ago. 2016. |
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DOI: |
http://dx.doi.org/10.1590/1809-4430-Eng.Agric.v36n4p631-645/2016 |
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Idioma: |
Inglês |
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Conteúdo: |
ABSTRACT: This study aimed to estimate the probability of climatological water deficit in an experimental watershed in the Cerrado biome, located in the central plateau of Brazil. For that, it was used a time series of 31 years (1982?2012). The probable climatological water deficit was calculated by the difference between rainfall and probable reference evapotranspiration, on a decennial scale. The reference evapotranspiration (ET0) was estimated by the standard FAO-56 Penman-Monteith method. To estimate water deficit, it was used gamma distribution, time series of rainfall and reference evapotranspiration. The adherence of the estimated probabilities to the observed data was verified by the Kolmogorov-Smirnov nonparametric test, with significance level (a-0.05), which presented a good adjustment to the distribution models. It was observed a climatological water deficit, in greater or lesser intensity, between the annual decennials 2 and 32. |
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Palavras-Chave: |
Agroclimatologia; Bacia hidrográfica experimental; Déficit hídrico climatológico; Distribuição gama; Penman-Monteith; Precipitação pluviométrica. |
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Thesagro: |
Cerrado; Estimativa. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/146763/1/Estimation-of-climatological.pdf
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Marc: |
LEADER 01796naa a2200253 a 4500
001 2051735
005 2017-02-13
008 2016 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1590/1809-4430-Eng.Agric.v36n4p631-645/2016$2DOI
100 1 $aGOTARDO, J. T.
245 $aEstimation of climatological water deficit in an experimental watershed in the brazilian cerrado.
260 $c2016
520 $aABSTRACT: This study aimed to estimate the probability of climatological water deficit in an experimental watershed in the Cerrado biome, located in the central plateau of Brazil. For that, it was used a time series of 31 years (1982?2012). The probable climatological water deficit was calculated by the difference between rainfall and probable reference evapotranspiration, on a decennial scale. The reference evapotranspiration (ET0) was estimated by the standard FAO-56 Penman-Monteith method. To estimate water deficit, it was used gamma distribution, time series of rainfall and reference evapotranspiration. The adherence of the estimated probabilities to the observed data was verified by the Kolmogorov-Smirnov nonparametric test, with significance level (a-0.05), which presented a good adjustment to the distribution models. It was observed a climatological water deficit, in greater or lesser intensity, between the annual decennials 2 and 32.
650 $aCerrado
650 $aEstimativa
653 $aAgroclimatologia
653 $aBacia hidrográfica experimental
653 $aDéficit hídrico climatológico
653 $aDistribuição gama
653 $aPenman-Monteith
653 $aPrecipitação pluviométrica
700 1 $aRODRIGUES, L. N.
700 1 $aGOMES, B. M.
773 $tEngenharia Agrícola, Jaboticabal$gv. 36, n. 4, p. 631-645, jul./ago. 2016.
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Embrapa Cerrados (CPAC) |
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