[snarks_when_bored]

It appears that 5,200 years ago, something fairly catastrophic happened to Earth, but we don't know for sure what it was. Glaciologist Thompson suggests that it was a drastic drop in solar output followed by a surge in that output. He finds a modern analogy in the 'little ice age' lasting from 1450 A.D. to 1850 A.D. followed by our perceived recent global warming. But, of course, it's not clear that he's correct.

More data and better models, please!

[MikefromOhio]

Source: Ohio State University

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yeah buddy!!!!

[NutCrackerBoy]

I must be nuts. I found myself cheering evidence coming in if knocks the self-satisfied smirks off the faces of the global warming idiots. I felt glad that it would soon be obvious to all that far, far more telling than the changes from human causes are the ones from natural causes. But if the coming changes are catastrophic, it hardly seems appropriate to be celebrating these finds.

[dzzrtrock]

Excellent article and still another that puts the lie to man-caused global warming. so much for the kyoto "make america a 3rd world country" accord, huh?

[Ernest_at_the_Beach]

Glaciologist Thompson suggests that it was a drastic drop in solar output followed by a surge in that output.

Well, that is a change coming from a Glaciologist...no contracts with NASA I would guess.

[farmfriend]

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[Restorer]

Seventy percent of the population lives in the world’s tropics and major climate changes would directly impact most of them.

Flatly untrue. The true number is hard to come by, but is certainly less than 1/3 and is probably below 1/4. After all, China, India, Europe and the US are all entirely or almost entirely outside the tropics.

[DirtyHarryY2K]

The Bible suggests 4450 years ago (based on 6000 years of biblical time-line).

[Lokibob]

3200 BC is usually marked as the start of the bronze age.

So, clearly, the climatic changes were man made.

[Lokibob]

You want to look at some hard data, Stanford has some on line here:
http://www.stanford.edu/~meehan/donnellyr/paleo.html

[SierraWasp]

"But more importantly, they believe it has happened at least once before, and the results were nearly catastrophic to emerging cultures at the time."

Kinda reminds me of this data and model...

"In the six hundredth year of Noah's life, in the second month, the same day were all the fountains of the great deep broken up, and the windows of heaven were opened." Genesis 7:11

Something drastic happened then that changed the lifespans drastically and suddenly from Noah's 600+ years, down to Abraham's 120, or so. Something must have changed in the "firmament," also known as the "heavens" in those days... The timing would have been about 5200 years ago, as well!!!

[M Kehoe]

It appears that 5,200 years ago, something fairly catastrophic happened to Earth...

We will survive this one too.

5.56mm

[SunkenCiv]

There isn't much to worry about, and, hey, what's that rumbling noise?

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[U S Army EOD]

Seems this guy collected data from many different places that had the same results. Also, his time date is about the time that history pertaining to man started. All of this fits into a time frame of 500 years or so. He could be right.

The question is how quick did it take to get cold and how long did it take to get warm and of course which is the norm. The cold or the warm.

When North America was settled by the Europeans we had horrible Winters. It would snow waist deep in Virginia and so on. Prior to that, the Vikings could plant crops in places like Greenland. It is clear there can be drastic climate changes but the question is what brings them on. Meteors strikes would be my best guess. What we do to the climate with man induced events are like trying to bail the ocean out with a bucket.

I don't personally think we can prevent something like this from happening except maybe locally in a city or something. What we have to do is make plans to survive something like this and carry on with our lives.

[-=Wing_0_Walker=-]

If what happened 5200 years ago also happened 5200 years before that, I would take the pattern to heart. At present we have speculation.

[SunkenCiv]

missed you on the GGG ping.

[SunkenCiv]

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[SunkenCiv]