Not exactly a spike.
Posted on 04/26/2007 1:56:50 PM PDT by Omega Man II
Volcanic eruptions caused global temperature spike 55 million years ago
By Alan Zarembo, Times Staff Writer
1:03 PM PDT, April 26, 2007
Scientists believe they have solved the mystery of what caused the most rapid global warming in known geologic history, a cataclysmic temperature spike 55 million years ago driven by concentrations of greenhouse gases hundreds of times greater than today.
The culprit, the researchers reported Thursday in the journal Science, was a series of volcanic eruptions that set off a chain reaction releasing massive quantities of carbon into the atmosphere.
The eruptions occurred on the rift between two continental plates as Greenland and Europe separated.
In 10,000 years -- a blip in Earth's history -- the polar seas turned into tropical baths, deep-sea dwelling microorganisms went extinct, and mammals migrated poleward as their habitats warmed. It took about 200,000 years for the atmospheric carbon to be transferred to the deep ocean, allowing the planet to cool.
(Excerpt) Read more at latimes.com ...
Bush and his oil buddies from Haliburton took a time machine back in time and did this!
< / moonbat>
Well, as a number of bushs burned as a result, yes, it likely is Bushs fault.
Too bad Al Gore wasn’t alive then to stop it.
Al Gore couldn’t blame it on the Humans back then.
Question: In my college geology class, I remember studying where scientists documented something to do with the rotation of the earth changes periodically. I can’t remember whether it’s the magnetism at the poles or what but something changes. Does any freeper remember studying something like this too? And if so, would something like this impact the climate?
The angular tilt (against the Sun) is probably what you are referring to.
Let's be realistic.
Strom Thurmond's fault.
O.K. Then it goes in reverse, right? This would make an argument that so-called “global warming” is a natural event.
I can’t stand it when people portrait “Mother Earth” as being so fragile. I mean, hello. Mother nature will kick your a@!. I mean, she’ll be here long after us!
Over the last century, both the north and south magnetic poles have been drifting north (that is, toward the geographic north pole, which itself wanders somewhat, but let's not make this more complicated than it already is). The north magnetic pole historically has moved at a rate of about ten kilometers per year, but has lately accelerated, heading toward Russia at four times that rate.
Don’t be concerned. The volcano purchased appropriate carbon credits and, therefore, no harm was done to the environment, polar bears, penguins or liberals.
so what are the effects of a pole reversal ?
The magnetic field of the earth dramatically & suddenly shifts once every 10s of thousands of years. No one knows why or how, as human-kind hasn’t been around to experience one yet with scientific instruments on hand. The most noticeable result of all this will be that all compasses will point South afterwards. I’ve heard tell that it may also short out all the unshielded electronics on the planet. I’ve also heard theorized that the Earth’s magnetic field dramatically weakens afterwards which will leave humans open to unhealthy radiation exposure.
My understanding is that there is no correlation with climate.
Also, magnetic North is currently migrating towards Russia. Call your congressman.
Our orbit isn’t a perfect circle. The “tilt” also changes. It has cycles which changes our climate.
“the magnetic poles typically wander around slowly, but every so often flip completely, reversing the magnetic polarity of the planet.”
Thank you for the link. Now if I run across the scientist at the dinner I attended last week, I have some ammunition on “global warming.”
In udder woids we're all gonna die (hehe).
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