The article presents characteristics of long-term variability in sunshine duration and total solar radiation in Krakow, reconstructed based on the relative intensity of total radiation (global transmission). The analysis is based on hourly sunshine duration data from the period 1884–2010 and total radiation intensity data from the period 2003–2007. Results show that the variability of incident solar radiation depends on global factors – circulation-type and anthropogenic-type factors, in particular by industralization between the 1950s and 1980s – which are affected by local conditions. Copyright © 2013 Royal Meteorological Society
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