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Solar-driven temperature decline predicted for Norway, by a Norwegian

May 8, 2013

Watts Up With That?

Guest post by David Archibald

Professor Jan-Erik Solheim of the University of Oslo recently contributed an article to the Norwegian magazine Astronomi with the title: “The Sun predicts a colder (next) decennium”.  Oddbjorn Engvold, a Norwegian solar physicist, has summarised the article in English:

In the first section he refers to the earlier work by Eigil Friis-Christensen and Knud Lassen who showed a connection between the length of a solar cycle and temperature in the northern hemisphere.

The next section deals with “sunspot periods and temperatures in Norway”. He selected series of temperatures for a total of 10 locations in Norway.  In these series of temperature he detected no, or hardly any, correlation between length of the sunspot cycle and temperatures averaged over the cycles. On the other hand, he found a strong dependence between the length of the sunspot cycles and the mean temperatures in the following period.

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