sunshine hours

September 25, 2012

Sunshine Up In Switzerland Since the 1980s

Filed under: Sunshine,surface solar radiation — sunshinehours1 @ 9:34 AM
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I see Martin Wild is still writing papers proving that Surface Solar Radiation (I tend to call it Bright Sunshine)  is higher than in the past. (Thanks HockeySchtick)

Decadal variations in estimated surface solar radiation over Switzerland since the late 19th century – A. Sanchez-Lorenzo and M. Wild

All-sky SSR has been fairly stable with little variations in the first half of the 20th century, unlike the second half of the 20th century that is characterized also in Switzerland by a dimming from the 1950s to the 1980s and a subsequent brightening.

Does this graph of Sunshine changes look like the temperature changes graphs?

The effect of CO2 doubling is supposed to be 3.7W/m^2. In this table, changes in sunshine from 1981 to 2011 produce 5.59W/m^2 in December to 15.25W/m^2 in April.

1 Comment »

  1. […] have posted several articles on this theme here , here and […]

    Pingback by Huge Increase in Sunshine Reaching Earth – 12.5 times the CO2 warming « sunshine hours — October 27, 2012 @ 8:04 AM | Reply

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