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Re: Hibernating through the K/T?
> John Bois writes;
> NOT! Although we do find dinos in high latitudes, the plant fossils
> found point to a temperate environment. Although it probably did get
> cold in the winter, I suspect that the temperature stayed above
That would mean a virtually NON-seasonal climate. The average
annual temperature in some places where dinosaurs have been found
was only a few degree above freezing (4-5 deg. C.). Any significant
seasonality at all, and the temperature would drop below freezing
on a regular basis.
> IMHO, any hibernation scenerio for survivor species is incorrect.
For most, I agree. An exception may be some amphibians capable
of extraordinarily long hibernation. (Some desert frogs may hibernate
for many *years* waiting for the right rain).
> With estimates for the bolide winter lasting several years, there is
> no way for any species, especially for endothermic ones, to survive
> that long during sleep
I am not yet convinced by the bolide winter simulations. In fact
I suspect they are utterly wrong. More detailed weather simulations
generally show a *much* less extreme cooling effect than the early,
The peace of God be with you.