On Jun 17, 9:45*pm, Graham P Davis wrote:

So you are saying that Greenland is a 2000+ metre-high iceberg.

It's only just occurred to me that this mountain of ice had to get
there somehow to have the effect it is having on the region from
Newfoundland to Norway and Siberia.

Whatever it is made of it is affecting the world's weather. It's
removal will affect everything from all the world's ocean gyres to the
trade winds maybe in the South Atlantic too.

So how did it get there? You can't impose present weather conditions
to sorcery it all up. Witch you see is which you got.

Without the icecap Greenland would be without an icecap wouldn't it?

So presumably with a major high spot missing from the present course
of the Lows that come out of North America, the Lows could go anyway
they liked, maybe directly into the Arctic from Canada?

I may sound like Forest Gump but inside I am all glued up.

On Jun 18, 7:12*am, Weatherlawyer wrote:
On Jun 17, 9:45*pm, Graham P Davis wrote:



So you are saying that Greenland is a 2000+ metre-high iceberg.

It's only just occurred to me that this mountain of ice had to get
there somehow to have the effect it is having on the region from
Newfoundland to Norway and Siberia.

I may sound like Forest Gump but inside I am all glued up.

Yes!

To lift all that water from the oceans and pile it two miles high on
top of the Greenland mountains required a lot of energy. since the
Arctic region was covered with snow and ice during the last ice age,
where did all that energy come from?

Cheers, Alastair.

On Jun 18, 9:43*am, Alastair wrote:
On Jun 18, 7:12*am, Weatherlawyer wrote:

On Jun 17, 9:45*pm, Graham P Davis wrote:

So you are saying that Greenland is a 2000+ metre-high iceberg.

It's only just occurred to me that this mountain of ice had to get
there somehow to have the effect it is having on the region from
Newfoundland to Norway and Siberia.

To lift all that water from the oceans and pile it two miles high on
top of the Greenland mountains required a lot of energy. since the
Arctic region was covered with snow and ice during the last ice age,
where did all that energy come from?

You have proof of this ice age or is it some vacuous spin drift to aid
the lamentable in search of the unprofitable?

None the less the fact remains to be seen how any ice got there
bearing in mind before such ice ages there was one presumes 6 months
daylight at a time as per usual r is there some proff of things going
otherwise?

The top link is a set of weather charts from November/December 2008.
But any set of weather charts will reveal the overall progress of Low
and High pressure cells across the USA.

Any that leave the east coast far enough up the coast to reach the
North Atlantic (that is: most of them) will become entangled in the
system that holds them to a nearly parallel course west to east at 60
degrees north.

When there is slack pressure in the system they may go further north
to the Davis Straight between Canada and Greenland. What stops them
doing so is that there is a high mountain of ice on top of Greenland
and it affects the weather.

Once it affects that part of the weather it affects it for the whole
world because it is out of the Davis Straight that not only most of
Arctic icebergs float but also almost all of the world's cold water
leaves the Arctic too.

There is a weir across the Arctic Ocean that runs from Russia to the
Mid Atlantic Ridge.

Once surface water (forced over to the western reaches of the Arctic's
surface by the weather*) cool enough, the water drops down (at 4
degrees centigrade it is heavier than freezing water and much heavier
than ice.) This relatively warm water fills the bottom of the sea as
far as that dike will allow.

Any further falling water pushes the heaviest stuff out of the ocean
altogether. It then makes its way down to the Weddel Sea in
Antarctica. From there is begins to feed all the fish in all the
world's food chain.

I don't know how tall the mountains are in Greenland but I do know
that they must be nearly as high as the top of the ice or the ice
couldn't form on it, could it? It would behave as all wind-drifted
masses behave and fall into the sea on the east coast of the country -
as a giant dune, top first.

Or wouldn't it?
*This would change too would it not? At least, to some extent it must.

On Jun 18, 6:01*pm, Weatherlawyer wrote:

You have proof of this ice age or is it some vacuous spin drift to aid
the lamentable in search of the unprofitable?

There is plenty of proof. How do you think the valleys in Wales and
Scotland got so wide? Perhaps you think they were caused by Noah's
flood draining away. Or the eratics, ganite boulder found on
limestone that could only have been carried there by ice. Finally the
glacial moraines, whch are piles of rock formed by melting glaciers.
You can see them being created in Iceland, and find them in Scotland.

None the less the fact remains to be seen how any ice got there
bearing in mind before such ice ages there was one presumes 6 months
daylight at a time as per usual r is there some proff of things going
otherwise?

Although the Earth as a whole has 6 months of daylight, the wobble of
the Earth's axis, the eccentricity of its orbit, and the precession of
the seasons means that sometimes the northern hemisphere (NH) receives
less solar energy than the southern hemisphere (SH) and so the ice
sheets grow there. When the SH is colder the ice sheets can't grow so
easily because of the Southern Ocean. Snow doesn't lie on sea water.
So with less ice around globally we come out of the ice age again.
These astronomical features are called Croll/Milankovitch cycles.
James Croll got himself a job as a janitor at the Royal Technical
College, Glasgow so that he could use the library there.

HTH,

Cheers, Alastair.