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Chockstone Forum - General Discussion

General Climbing Discussion

Topic Date User
OT: Moorabal/Lal Lal wind farm 17-Jun-2009 At 11:01:35 AM R James
Message
>note that between 2001-now we have been in a period of decreasing sunspot
>activity and are now at solar minimum, which is also tied to reduced solar
>radiation. so some part of any reduced temperature in this period would
>have been from being on the tail end of the cycle, but its overdue to increase
>so there'll be an increase in solar energy over the next 5 (3?) years of
>the 11 year cycle.
>
>the 11 year cycle is well known and established, you have to assume the
>overall trend in temperatures is higher than what we've been seeing from
>the cyclical reduction over the last 8 years.

Solar cycle 24 is over 2 years late in kicking in. We haven't seen such low activity since early last century. If it continues like this, or cycle 24 is very weak (as is predicted), we could see a repeat of the Dalton minimum, or even Maunder, both of which coincided with temperature drop (little ice age). This could be a unique opportunity for modern science to further understand the effects of solar activity on climate. If we do get a repeat of these periods, we're in real trouble - much worse than a bit of warming. Do we see any preparation for this possibility?


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