> Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
>
> No guilt required. All of the doom and gloom forecasts from global
> warming result from silly climate models whose fundamental assumptions
> about highly positive feedback mechanisms are beginning to fall. This
> recent study reported in Nature shows that the positive CO2 feedback
> mechanism (CO2 begets warming which begets more CO2) is some 5 times
> less than the models presently assume.
> <http://www.nature.com/nature/journal/v463/n7280/full/nature08769.html>
>
> I could add more (like negative feedback mechanisms not included in the
> simplistic models) but I won't.
>
Bottom line: a MODEL is not the REAL THING just something that tries to
represent the real thing to make the maths easier.
How long have we been modelling weather ?
How often does the forecast a WEEK in advance turn out to be significantly
wrong ?
What sort of accuracy would you expect from a weather model forecasting the
weather 2 decades from today ?
...Wayne
Wayne Harridge
http://lrh.structuregraphs.com
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