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What modulates our Sun? The majority of science work on the principle that the Sun is self modulating and each solar cycle is a product of a random number generator. There are others that suspect the Sun is modulated by the planets with a special emphasis on Uranus & Neptune. Thanks to Carl Smith who has recently left us we have new knowledge that significantly adds to Jose, Landscheidt & CharvĂ tovĂ 's work.

Geoff Sharp

Earth's Future Climate.

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Reader Ron De Haan suggested a graph showing future Angular Momentum Disturbance Strength might be of interest. We only have JPL data out to 3000AD so this is the current limit, but the outcome is indeed very interesting. If the Solar activity follows the Angular Momentum trend we are headed for another Medieval Warming Period type era on even a grander scale.

After the Landscheidt Minimum which will be short and sweet, there looks to be another Dalton type event which is not considered all that strong. After that the planet will stay on a warm plateau for hundreds of years, lets hope we have learned by then that the warming we will enjoy is a natural state. The graph shows us how unusual the preceding strong Grand Minima are in our history, which was ruled by strong Type "A" disturbances or as Gerry calls them "Retrograde Bumps". From here on the AM strength is moving to weak and gradually the disturbances are moving back to Type "B" which are known for periods of reasonable solar stability. So there is no need for pessimism, our children will have it good.

The JPL data used to create the AM graphs as per Carl's Graph has a range from -3000 to 3000, but I am working on another quantifying method using purely the Jovian planet angles which should allow us to check against the complete Holocene record as well as looking out as far as necessary. Thanks to Tayla Sharp for helping with the graph.

 

 

Many thanks go to Carl's brother Dave for providing the Domain, Server and Software.