On Nov 22, 3:57 pm, James Annan <[EMAIL PROTECTED]> wrote:
> There's no proof of this, but no-one has yet managed to produce a
> credible model (or perhaps any model at all) where there is a strongly
> nonlinear response. The limited data make it seem unlikely (we've had
> 10xCO2 in the past).
>
> Actually I should admit that we have found some models that switch into
> a runaway Venus-like state when they get hot enough (by which I mean
> +10C, and they had a warm bias to start with).
Isn't there also the "Snowball Earth" state switch? Both to the
"frozen death" state, and back again after enough CO2 accumulates?
--
Phil Hays
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