[JohnHuang2]

Thursday, January 16, 2003

Quote of the Day by goldstategop

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[ancient_geezer]

But the alarmists insist that the human contribution will be substantial and must be cut back immediately at immense economic cost if future generations are to be spared untold suffering.

No problem! Nuclear winter will nullify global warming!

[job]

I have MS in Geology. Last regular course I took was in palebiostratigraphy. It included the study of paleo climates through analysis of the fossil and rock record.

Most things preserved in the rock record are done so during time on grand scale, millions of years. So, although you might be able to study the paleoclimate for certain period of time of a 50 million year span, you could not go to the rock record to study differences in the last 50,000 years on any meaningful scale.

A geoscientist out of the University of Miami authored a paper where he studied oxygen isotopes within glacial cores. This would allow him to reconstruct the recent paleoclimate on a much finer scale, say every 1000 years. When the temperature increases, the O14 to O16 ratio increases. When it is colder, the O14 to O16 ratio decreases.

Result? The paleoclimate for the last 50,000 to 100,000 looked like a sine wave, with a 2nd fluctations imprinted on the primary sine wave. The temperature increases and decreases in regular cycles, with 2nd Order variations along the way.

[facedown]

The point is that global temperature fluctuations are an old, old story, in which relatively brief cycles of warming and cooling recur within longer swings of cooling and warming.

You mean we humans don't "control" the universe? I'm shocked!