Calculation of Linke turbidity in atmosphere over Iraq by solar constant

Sahib. N. Abdul-wahid, Hassan Abbas Judh


Using extraterrestrial radiation, global solar, solar constant,( KR )and correction factor of sun – earth distance as input of some mathematical models, the Linke turbidity has been calculated and average sixteen placed around of Iraq by using thirty years solar radiation data covering period from ( 1961 – 1991). The average values (TL) were found to range from 4.27 to 4.75 the minimum value in Basrah and maximum value in Zakho.


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