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Politics : Formerly About Advanced Micro Devices

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To: TideGlider who wrote (902537)11/23/2015 2:46:02 AM
From: combjelly   of 1576612
 
Yet the data from the much-celebrated Vostok ice cores paints a very different picture: Up goes the temperature, followed by a rise in carbon dioxide.

Only to those who don't understand the mechanics.

To understand it requires requires some knowledge, thought and facts. Something deniers tend to be light on. But, lets give it a whirl. Where does the CO2 come from in a warming trend? It could be volcanic, but that doesn't seem to be all that common, but it does happen. In most cases, it seems to come from the tundra and the bogs which are affected by the warming temperatures. The bogs dry out with increasing temperature. That exposes their carbon to the atmosphere causing it to oxidize. The tundra melts and, well you know. So a lag of a period of time between warming and a rise in CO2 is expected. However, as CO2 levels go up, so should the temperature. Which is exactly what you see in the data.

To recap, except for when high levels of vulcanism occur, there should be a lag between the rise in temperature and the level of CO2. At some point, however, the original mechanism runs out of steam and the increasing levels of CO2 drives the temperature. And that is fully supported by the Vostok cores.
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