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| Registros recuperados: 36 | |
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| Venancio,Luan P.; Cunha,Fernando F. da; Mantovani,Everardo C.; Sediyama,Gilberto C.; Eugenio,Fernando C.; Aleman,Catariny C.. |
| ABSTRACT The Penman-Monteith method (PM-FAO) is recommended as standard for calculation of reference evapotranspiration (ETo). However, its use requires a series of meteorological variables that is not normally available, restricting its application in many locations. A solution to the problem of unavailability of meteorological data was presented in FAO Bulletin 56, which contains methodologies for estimating wind speed, solar radiation and relative humidity. The objective of the present study was to evaluate the performance of the PM-FAO methodologies for missing data and Hargreaves-Samani as alternatives to the PM-FAO standard method at different time scales and seasons for the municipalities of Linhares and São Mateus, located in the northern region of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Data scarcity; Time scale; Seasons. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000300153 |
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| Baliscei, Marcio Antonio; Instituto Paranaense de Assistência Técnica e Extensão Rural; Barbosa, Orlando Rus; Programa de Pós-Graduação em Zootecnia da Universidade Estadual de Maringá, Av. Colombo, 57020-900. Maringá Paraná Brasil; Souza, Wander de; Instituto Paranaense de Assistência Técnica e Extensão Rural; Costa, Marco Aurelio Teixeira; Universidade Estadual de Maringá; Krutzman, Alexandre; Universidade Estadual de Maringá; Queiroz, Edicarlos Oliveira; Universidade Estadual de Maringá,. |
| This study evaluated the microclimate in a system without shade (WS) and in a silvopastoral system (SP) with eucalyptus during summer and winter, by measuring the air temperature (Ta), black globe temperature (Tg), relative humidity (RH), wind speed (Ws), every 2 hours for 24 hours between rows, shade (SP) and no shade effect (WS). It was employed the randomized blocks design (months), in the plots (systems), subplots (hours) and sub-subplots (seasons). Except for Ta and RH, the Tg (24.73, 26.41ºC), Ws (3.16, 4.57 m s-1), Black globe-humidity index (BGHI) (71.83, 73.84), Thermal load index (TLI) (74.53, 76.11) and Radiant thermal load (RTL) (526.46, 595.80 W m-2), respectively for SP and WS, were higher in WS. Ta, RH and Ws had a quadratic effect of hour.... |
| Tipo: Pesquisqa de campo |
Palavras-chave: Thermal comfort; Seasons; Index; Silvopastoral; Shade thermal comfort; Seasons; Index; Silvopastoral; Shade. |
| Ano: 2013 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/15155 |
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| Registros recuperados: 36 | |
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