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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: maceng2 who wrote (20386)	2/15/2008 6:13:48 PM
From: Thomas A Watson	Respond to of 36921

Let's just say that the medieval warm period was well within the time frame of lag of CO2 behind temperature. co2science.org In all three of the most recent glacial terminations, the earth warmed well before there was any increase in the air's CO2 content. .... the time lag of the rise in CO2 concentrations with respect to temperature change is on the order of 400 to 1000 years during all three glacial-interglacial transitions." Now the sample rate of the Cores they speak of are 1500 year increments or averages. So Nyquist says that it is very very possible the for some short period like even a decade, CO2 could have been at much higher concentrations than shown in the ice cores and not show up. And maybe current CO2 is just reflecting temperatures of the MWP. Paleoclimatology is not science as much as its speculations.