Art Martini wrote:
I was chatting with a meteorologist the other day and he was telling me that
people in the know are more worried about the lack of Solar activity than in
Global Warming. It appears that long periods of low or no solar activity
can result in major climatical changes such as mini-ice ages. He thinks
that the lack of solar activity could heavily influance the seasons.

Any discussion would be welcome. I would like to find out what other people
think.

Thank you,

Art Martini
Bruneau Dunes Astronomical Observatory
Boise Astronomical Society



I've spent a large portion of my working life dealing with long distance
H.F. radio communication. During this time we were made aware that the
level of Sun Spot activity had an effect on the ionization levels of the
ionosphere, and therefore on H.F. communications.

The Sun Spot cycle varies over an approx eleven (11) year cycle, minimum
to maximum to minimum.

Late in my working time, I became aware that there was also an
approximately ninety (90) year super-cycle which applied as well.

There has been some work done (by Gov weather bureau I believe) relating
this 90 year cycle to droughts here in Australia. Australia was in
drought just prior to WW one and again now, so time frame roughly matches.

Daniel


Daniel

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