Re: Pole Shifts vs Ice Ages (Revisited)

In Article <[email protected]> John Shakespeare wrote:
> Nancy Lieder wrote:
>>>> Now, what, John, is your explanation of how
>>>> Greenland GOT all that ice, and Finland did not?
>>>> (This should be good.)
>>>
>>> The explanation of the formation of ice caps, among
>>> other geological processes, can be found in any
>>> introductory book on geophysics.
>>
>> In other words, John has no explanation.
>>
>>> The same way Finland got its ice cap. A more 
>>> instructive question would be why Greenland 
>>> retained its ice cap long after the retreat of the 
>>> other Northern ice caps.
>>
>> In other words, John can't explain how Greenland 
>> GOT that way, in the first place.  He HAS no 
>> explanation.
>
> Greenland got its ice cap in the same way that parts of 
> northern Eurasia got theirs (insolation patterns and 
> thermal transport mechanisms, which are not
> time-invariant systems). The ice caps existed over 
> broadly the same periods in much of northern Eurasia, 
> much of northern North America and Greenland during
> recent episodes of glaciation. 

At different TIMES, depending upon when they were the POLE.

> Changes in the insolation and thermal transport led 
> to more rapid warming of the northern Eurasian region 
> than the Greenland and northeast Canadian region.
> This is all well-established knowledge. Take a look at 
> circulation patterns and surface temperatures around 
> the Arctic ocean, and consequent exchange of
> energy with the north Atlantic gyre. That will explain
> why Greenland and the neighbouring Canadian arctic
> islands have ice caps, but land masses at comparable 
> latitudes elsewhere do not.

Replicate the ice BUILDING process outside of the Artic Circle, TODAY. 
You can't.  This is a theory, and does not stand against scrutiny.