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Prof. Arysio Nunes dos Santos Research

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Datarius
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« Reply #15 on: December 06, 2009, 10:45:06 pm »

what happened during the pleistocene?

Let us recapitulate what happened during the Pleistocene Ice Age, for its true significance seems to have escaped the notice of all Atlantologists thus far.

This is how Ice Ages start. Converted into clouds by the sun, sea water is carried into the continents by the wind, where it pours down as either rain, hail or snow. If conditions are right, as they were then, this downfalling water is retained in glaciers that end up covering the temperate regions with a shroud of ice that is one or two miles thick. Sea level consequently drops by 100-150 meters or even more, exposing the shallow bottoms of the sea.

Such was the case of the South China Sea, whose depth seldom exceeds 60 meters or so, as we show in the Map of Fig. 1. When the Ice Age ends, the process is reverted. The glaciers melt away, and their meltwater quickly drains into the sea. In consequence, the bottoms previously exposed as dry land become submerged once again.

As we see, the world works as a kind of flip-flop or swing, forever oscillating between the extremes of cold and heat. Interestingly enough, it is Life itself that equilibrates the balance, introducing a negative feedback that counteracts the tendency for the world to freeze or to sizzle. For instance, if carbon dioxide (CO2) increases in the atmosphere, the temperature tends to go up with the so-called Hothouse Effect. This is precisely what we observe in sizzling Venus, whose atmosphere is almost pure CO2. In gelid Mars, whose atmosphere (and Life) was almost all lost in a tremendous cataclysm - probably caused by the fall of a meteorite of planetoidal size — the opposite swing took place.
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