Contribuição ao estudo da radiação global e da insolação na micro - região do Mato Grosso de Goiás
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Data
1982-03
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Wilma Alves Ferrari
Resumo
This work studies the montly of daily global solar radiation. daily relative global solar radiation, daily su shine duration and daily relative sunshine duration, for the conditiones Goiânia country and surrounding counties Goiãs • Brazil (latitude: 16Q4l'S. longitude: 49Ql7 1 W GRW , and altitude: 680.00m). Its observed that: a) global solar radiation is maximum in ectober and minimum in July;
b) relative global solar radiation is maximum in August and minimum in November c) sunshine duration is maximum in June and minimum in November; d) relative sunshine duration is maximun in June and mínimum in November. Correlation between the monthly of daily re1ative global solar radiation and of daily sunshine duration allowed to conclude that the linea equation: Kg = KA (0,49 n/N) Were the letters are monthly means of: daily global radiation (ly/day) KA: daily solar radiation on the top of atmosphere
(ly/day)
n = daily duration of sunshine (hr/day)
N daily maximum duration of sunshine (hr/day) lhe methodology adoted was the one proposed by PREStOT! (1940) and PENMAN (1948), as cited by 8LACK et alii
{1954) in arder to estimate parameters "a" and "b", in the equation Kg/KA = a + b
Whick correlates the sunshine ratio (n/N) to the relative solar radiation (K9/KA) by linear regression analy -si s.
The equation found sd a correlation coefficient
wich was great that 0,95 with significance at 0,1 probabili ty level..
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LOBATO, Olivar José da Silva Moraes; LOBATO, Engler José Vidigal; GONÇALVES, Vicente Antônio. Contribuição ao estudo da radiação global e da insolação na micro- região do Mato Grosso de Goiás. Anais da Escola de Agronomia e Veterinária, Goiânia, v. 12, n. 1, p. 55-75, jan./dez. 1982. Disponível em: <https://www.revistas.ufg.br/pat/article/view/2423/2387>.