[ExI] [wta-talk] Richard Lindzen on climate hysteria

Alfio Puglisi alfio.puglisi at gmail.com
Mon Aug 3 10:26:27 UTC 2009


On Mon, Aug 3, 2009 at 2:27 AM, spike<spike66 at att.net> wrote:

> Mirco, whaddya mean in the 70s?  I worry about global cooling now.  The
> sunspot count is so low there is a reasonable possibility we could be going
> into another Dalton minimum

A better measure is the solar constant, which directly influences
Earth''s temperature. This "constant" is not constant at all:

http://www.pmodwrc.ch/pmod.php?topic=tsi/composite/SolarConstant

To give an idea of the variation, the total climate forcing to get an
ice age is estimated to be equivalent to 6 or 7 W/m^2.

Alfio



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