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A Climatological Database of the Linke Turbidity Factor
1999 ISES Solar World Congress
The Linke turbidity factor is an important parameter in solar radiation studies. Longterm monthly average values, TL m , are sufficient for most applications. Estimates of TL m may be obtained by way of a linear regression established for several European sites between the sum of the Angström regression coefficients on a monthly basis (a m + b m ) and the measured TL m . During the European Solar Radiation Atlas (ESRA) project, values of a m and b m have been obtained for 710 sites in Europedoi:10.1016/b978-008043895-5/50065-5 fatcat:pqpoep4lwbfmvjra7eiaq35b6a