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Wednesday, March 3, 2010

New Study Says Global Warming May Be Signal of Impending Ice Age

Back in the 1970s before people were screaming about global warming, scientists were warning us that the next ice age may be just around the corner. The big freeze scare was eventually pushed aside by the great man-made global warming hoax. Now a new study has been released that global warming may be just the Earth's warning that a new Ice Age is near.

In the Earth's history thus far, there have been periods where glaciers covered much of Europe, each lasting about 100,000 years. These are separated by warmer interglacial periods lasting around 10,000 years. We are currently at the end of an interglacial era called the Holocene.

Researchers took a look at what happened to the climate just before the last major glacier period, around 115,000 years ago and they found that there was a period of extreme climate fluctuations. They suggest that the period of global warming that plateaued fifteen years ago may just be one of those pre-glacier heat waves.
In Central and Eastern Europe, the slow transition from the Eemian Interglacial to the Weichselian Glacial was marked by a growing instability in vegetation trends with possibly at least two warming events. This is the finding of German and Russian climate researchers who have evaluated geochemical and pollen analyses of lake sediments in Saxony-Anhalt, Brandenburg and Russia. Writing in Quaternary International, scientists from the Helmholtz Centre for Environmental Research (UFZ), the Saxon Academy of Sciences (SAW) in Leipzig and the Russian Academy of Sciences say that a short warming event at the very end of the last interglacial period marked the final transition to the ice age.
The Eemian Interglacial was the last interglacial epoch before the current one, the Holocene. It began around 126,000 years ago, ended around 115,000 years ago and is named after the river Eem in the Netherlands. The followed Weichselian Glacial ended around 15,000 years ago is the most recent glacial epoch named after the Polish river Weichsel. At its peak around 21,000 years ago, the glaciers stretched as far as the south of Berlin (Brandenburg Stadium).
The results show a relatively stable climate over most of the time, but with instabilities at the beginning and end of the Eemian Interglacial. "The observed instability with the proven occurrence of short warming events during the transition from the last interglacial to the last glacial epoch could be, when viewed carefully, a general, naturally occurring characteristic of such transition phases," concludes Dr Tatjana Boettger of the UFZ, who analysed the sediment profiles at the UFZ's isotope laboratory in Halle. "Detailed studies of these phenomena are important for understanding the current controversial discussed climate trend so that we can assess the human contribution to climate change with more certainty," explains Dr Frank W. Junge of the SAW.
The scientists got their results by examining ancient lake sediments exposed by modern open-cast mining in Russia and Germany. They believe that the end of the Eemian interglacial epoch saw "possibly at least two" warming events, according to a statement issued by the UFZ.
"The observed instability with the proven occurrence of short warming events during the transition from the last interglacial to the last glacial epoch could be, when viewed carefully, a general, naturally occurring characteristic of such transition phases," concludes UFZ boffin Dr Tatjana Boettger.
The scientists got their results by examining ancient lake sediments exposed by modern open-cast mining in Russia and Germany. They believe that the end of the Eemian interglacial epoch saw "possibly at least two" warming events, according to a statement issued by the UFZ.
"The observed instability with the proven occurrence of short warming events during the transition from the last interglacial to the last glacial epoch could be, when viewed carefully, a general, naturally occurring characteristic of such transition phases," concludes UFZ boffin Dr Tatjana Boettger.
Boettger and her fellow researchers say that the Eemian ice-free period wound up with sudden - in these terms - warming spells and serious changes in vegetation. Then the glaciers surged south, at their high tide 21,000 years ago reaching as far as Berlin.
...."Detailed studies of these phenomena are important for understanding the current controversial discussed climate trend so that we can assess the human contribution to climate change with more certainty," comments Dr Frank W Junge of the Sächsischen Akademie der Wissenschaften (Saxon Academy of Sciences, SAW) in Leipzig.
If the there is a sudden Ice Age I cant wait to see Al Gore's reaction.

4 comments:

Ron Russell said...

I tend to believe the "New Ice Theory" as opposed to the"Age of Gore". I'm old enough to remember the ice age theory of a few years back and see it discredited by the eco-freaks and their allies in an attempt to save the forest. In that attempt they gave us plastic bags, so we would not cut the trees and they suddenly they decided the plastic ones were worse on their beloved planet--a planet they actually know nothing about as most have never had their hands in the dirt and looked down the rifle barrel at a morning meal.

Is the planet cooling or warming, heck I don't know, but I do know one thing for certain and that is no one else does either and one thing that is an absolute truth is than man can do nothing to change what will happen with the global climate---that's beyond man's paygrade. Think Obama once said something like that at Saddleback when asked about abortion!

Rose said...

So, what now, we're all going to have to buy SUVs, turn up the thermostat, and breath out more? LOL

Will science ever recover its reputation?

theoldadam said...

Dump those canvas bags at the grocery store and use MORE PLASTIC!! (lest we all freeze to death)

Don't be chincy with your CO2!!

Greg said...

Well, it may be true, but I'm still giving this study a BIG grain of salt. Granted, depending on who you ask, we are due for another ice age.

But... No one has any idea of what triggers the start, or end, of any ice age, though there are plenty of guesses.

Note the variation in temps over the last 10k years. Periods warmer than now along with some nice drops.

Interglacials that peaked warmer and (to my eyes, anyway) dropped faster than now. In fact, we seem to have flatter temps than the other interglacials.

I do think a new ice age is FAR more likely than any of the catastrophic AGW nonsense, though. It would also be far more inconvenient than a 2-3 degree rise in temps.