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Gail Comb's comment
#1
From HERE

BobbyK,

Try reading this piece by a geologist, William McClenney I link to at the end. Elsewhere he says ‘“Until a few decades ago it was generally thought that large-scale global and regional climate changes occurred gradually over a timescale of many centuries or millennia, scarcely perceptible during a human lifetime.”


Dr. Alley, (a pet of Al Gore) has shown the climate transitions abruptly within years to decades. For example the Wisconsin Glaciation to Holocene transition was in ONE YEAR! Other data has shown

Quote:In the case of the termination of the Younger Dryas cold event, for example 1/3 to 1/2 of the entire 10,000-year deglacial warming in Greenland was achieved in order of 10 years (Cuffey et al., 1995; Severinghaus et al., 1998), with most of the accumulation-rate change apparently in a single year (Alley et al., 1993). The scaling of 1/3 to 1/2 the deglacial change in about a decade probably applies in many places (Alley, 2000). Any event for which rate of change is anomalous by two to three orders of magnitude merits attention. Older events were even larger, with a rapid shift of about 16 C in Greenland in one case (Lang et al., 1999).

If Ruddiman’s “Early Anthropogenic Hypothesis” is correct, the ONLY thing keeping us out of the next ice age is Carbon Dioxide. The Industrial Age along with the the recent grand solar maximum, may very well have occurred at exactly the most opportune time for H. sapiens, at the end of the present interglacial.

Also we are not out of the woods by a long shot. The Milankovitch Cycle low point will continue for 65 thousand years according to Lisiecki and Raymo. Yet these idiots in DC want to strip the earth of the CO2 security blanket that might be keeping us out of the next ice age.
Lisiecki and Raymo’s conclusion?

Quote:…the June 21 insolation minimum at 65N during MIS 11 is only 489 W/m2, much less pronounced than the present minimum of 474 W/m2. In addition, current insolation values are not predicted to return to the high values of late MIS 11 for another 65 kyr. We propose that this effectively precludes a ‘double precession-cycle’ interglacial [e.g., Raymo, 1997] in the Holocene without human influence….
http://large.stanford.edu/publications/coal/references/docs/Lisiecki_Raymo_2005_Pal.pdf

And to add insult to injury you can add the other papers showing C3 plants (99% of the plant species) were undergoing CO2 starvation when the earth was in the last glaciation.

Carbon starvation in glacial trees recovered from the La Brea tar pits, southern California and from the Philosophical Transactions of the Royal Society Carbon dioxide starvation, the development of C4 ecosystem

Here is William’s article that is a walk through numerous papers on the Quaternary and climatic change. (He sent me over 300 when I expressed an interest) Be aware that he has a really warped sense of humor that shows in his writting.
The Antithesis – The End Holocene?
It is our attitude toward free thought and free expression that will determine our fate. There must be no limit on the range of temperate discussion, no limits on thought. No subject must be taboo. No censor must preside at our assemblies.

–William O. Douglas, U.S. Supreme Court Justice, 1952
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