On Mar 1, 11:02 am, Hank Roberts <[email protected]> wrote:
> ... evolution.
I believe you use it the same way biologists do.
> last warm high-CO2 time
The Eemian interglacial AKA interglacial 2.
Equalibrium climate sensitivity (ECS) is for the fast
feedbacks; the time to reach equilibrium is on the
order of a millenium or maybe 13 centuries. I suppose
this is long enough to include micro-organisms
evolving to the new condtions and maybe also
macro-organisms, I dunno.
As for ECS, by convention it is stated for 2xCO2
but could equally well be stated for (1/2)xCO2
as the forcing is logarithmic in the concentration.
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