The connections between the Sun, Cosmic Rays and the cold climate associated with grand minimums is becoming much clearer.
Note: Between flaccid climate sensitivity, ENSO driving “the pause”, and now this, it looks like the upcoming IPCC AR5 report will be obsolete the day it is released.
From a Technical University of Denmark press release comes what looks to be a significant confirmation of Svensmark’s theory of temperature modulation on Earth by cosmic ray interactions. The process is that when there are more cosmic rays, they help create more microscopic cloud nuclei, which in turn form more clouds, which reflect more solar radiation back into space, making Earth cooler than what it normally might be. Conversely, less cosmic rays mean less cloud cover and a warmer planet as indicated here. The sun’s magnetic field is said to deflect cosmic rays when its solar magnetic dynamo is more active, and right around the last solar max, we were at an 8000 year high, suggesting more deflected cosmic rays…
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