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Originally Posted by ravenshrike
Right, um you do realize that A.) Ice core data is inherently unreliable from a scientific standpoint because in order to obtain the samples we change the sample adding heat, current atmospheric conditions, and a reduction in pressure and B.) the CO2 increase follows the temperature change by quite a large length of time and is rather easily explained away by the fact that the oceans hold less gases as the temperature warms. The reason for large length of time is that it takes that long for a temperature cycle to affect the ocean depths.
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That is not how ice cores work at all..... Gases or liquids are trapped and you can measure the gas compisition when it is released... They also check various elements for decay, like carbon dating....
The lenth of them is due to a very high spacific heat which is unique to water.... The lag time is aprox 55 years...........
The oceans are warmer now than they were in the 1950s, but hold much more co2, due to the fact that there is more co2 in the atmosphere.... This is changing the PH of the oceans and is driving a dieoff in the oceans... Current 'sea food' populations and 10% of their numbers 75 years ago... Coral are disolving............
Lastly, we use mud cores in addition to icecores, and those do not get heated.... And get the same results....