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....before cars or air conditioners!
Let the spin begin!
Global warming: Earth heated up in medieval times without human CO2 emissions | Mail Online
A team of scientists led by geochemist Zunli Lu from Syracuse University in New York state found that the Medieval Warm Period was in fact a global phenomenon.
www.dailymail.co.ukLoneWolfSparty
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GRR Spartan
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GTASpartan87
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HillSpartan ●
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FishHead said...
Why not read an article and educate yourself?? This is science, from UK, not your typical Republican group boner.....
"The scientists studied ikaite crystals from sediment cores drilled off the coast of Antarctica. The sediment layers were deposited over 2,000 years.
The scientists were particularly interested in crystals found in layers deposited during the ‘Little Ice Age,’ approximately 300 to 500 years ago, and during the Medieval Warm Period before it.
Both climate events have been documented in Northern Europe, but studies have been inconclusive as to whether the conditions in Northern Europe extended to Antarctica.
Lu’s team found that in fact, they did.
They were able to deduce this by studying the amount of heavy oxygen isotopes found in the crystals.
During cool periods there are lots, during warm periods there aren’t.
‘We showed that the Northern European climate events influenced climate conditions in Antarctica,’ Lu says. ‘More importantly, we are extremely happy to figure out how to get a climate signal out of this peculiar mineral. A new proxy is always welcome when studying past climate changes.’"
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FishHead said...
Why not read an article and educate yourself?? This is science, from UK, not your typical Republican group boner.....
"The scientists studied ikaite crystals from sediment cores drilled off the coast of Antarctica. The sediment layers were deposited over 2,000 years.
The scientists were particularly interested in crystals found in layers deposited during the ‘Little Ice Age,’ approximately 300 to 500 years ago, and during the Medieval Warm Period before it.
Both climate events have been documented in Northern Europe, but studies have been inconclusive as to whether the conditions in Northern Europe extended to Antarctica.
Lu’s team found that in fact, they did.
They were able to deduce this by studying the amount of heavy oxygen isotopes found in the crystals.
During cool periods there are lots, during warm periods there aren’t.
‘We showed that the Northern European climate events influenced climate conditions in Antarctica,’ Lu says. ‘More importantly, we are extremely happy to figure out how to get a climate signal out of this peculiar mineral. A new proxy is always welcome when studying past climate changes.’"
John Dewey ●
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What does past climate change tell us about global warming?
Natural climate change in the past proves that climate is sensitive to an energy imbalance. If the planet accumulates heat, global temperatures will go up. Currently, CO2 is imposing an energy imbalance due to the enhanced greenhouse effect. Past climate change actually provides evidence for our climate's sensitivity to CO2.
www.skepticalscience.comI'm worth a million in prizes. 8k posts on the old board. Member since 1999.
GreenSpartan
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Trucha said...
Yep, the earth has cooled and the earth has warmed. I fail to see how saying the earth warmed in the past without the assistance of human CO emissions debunks the reality that the planet is warming today or that we're hastening it.
Whether humans are THE cause, A cause, or NO cause at all is largely irrelevant. The planet has never had 7 billion people fouling the landscape and wiping out species in a frenetic effort to harvest every last bit of its limited resources to keep the hamster wheel of life moving ever fast.
More important, many of these 7 billion live in cities that were created under a different climate model. Seems to me folks oughta be proactive about the dramatic shifts ahead — like the Polynesian island that is purchasing land elsewhere because it realizes its homeland will soon be under ocean water.
That is all.
Totalitarian governments always seem to end up having to kill off large numbers of people.
Didn't Obama asked Putin for some space?
This post was edited by Green Note on 3/28/2012 at 1:06 PM
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John Dewey said...
See Foxbat's post.
We all know there have been warm and cool periods and this is normal. Climate change research seeks to understand how current change fits and doesn't fit with past patterns of change. It is a very interesting and complex science. But the OP it not so intelligent and should be mocked.
So it's very "interesting and complex science", yet the GW crowd have declared the science "settled" and there can be no dispute as to the current cause of warming. Just because the the Vikings were growing barley in Greenland 900 years ago, and we had a massive ice age 10,000 years ago, natural climate variability couldn't be responsible now....could it?
Egotism is the anesthetic that dulls the pain of stupidity. - Frank Leahy.-- If you're going to be stupid, be smart about it. - Mike Milbury
Bullwrinkle ●
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Walter_Sanchez
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FishHead said...
Not to mention the solar activity the last few years, you should look into how that affects global temperature...
Mars Melt Hints at Solar, Not Human, Cause for Warming, Scientist Says
Ice caps are melting on both Earth and Mars. According to one researchers controversial theory, this suggests that global warming has nothing to do with humankind.
news.nationalgeographic.comWalter_Sanchez
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FishHead said...
Bingo Walter, we have this, and the sun has been going crazy the last few years, these sun patterns follow the climate changes pretty closely too. But no, lets say its fossil fuels because environmentalist don't like them....
Plus there is a hell of a lot of money to be made off of global climate chaos....
doc_spartan
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GTASpartan87
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FishHead said...
Bingo Walter, we have this, and the sun has been going crazy the last few years, these sun patterns follow the climate changes pretty closely too. But no, lets say its fossil fuels because environmentalist don't like them....
Plus there is a hell of a lot of money to be made off of global climate chaos....
"No one cares what you know, until they know how much you care." Mark Dantonio
GTASpartan87
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FishHead said...
Not the question, Im curious doc, do you still after all the rewrites, embarrassments and the changing daily of the causes of the chaos believe that man and co2 is the cause of the mini warm up that has been pretty flat for the last 8 years to say the least??
Why ignore facts when you can have a moving target in global warming, errr global climate change....
"No one cares what you know, until they know how much you care." Mark Dantonio
GTASpartan87
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FishHead said...
Not the question, Im curious doc, do you still after all the rewrites, embarrassments and the changing daily of the causes of the chaos believe that man and co2 is the cause of the mini warm up that has been pretty flat for the last 8 years to say the least??
Why ignore facts when you can have a moving target in global warming, errr global climate change....
doc_spartan
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doc_spartan said...
My question was a simple one, which you seem to be ducking.
I do still believe that rising concentration of CO2 in the atmosphere is contributing to global climate change...by definition it must (how much is a matter worthy of debate)....but then again I believe in things like evolution too.
Madhatter536
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Walter_Sanchez said...
Speaking of which....
{Mars nonsense}
Global warming on Mars, ice caps melting
Martian climate is primarily driven by dust and albedo and there is little empirical evidence that Mars is showing long term warming.
www.skepticalscience.comI'm worth a million in prizes. 8k posts on the old board. Member since 1999.
GreenSpartan
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FishHead said...
Bingo Walter, we have this, and the sun has been going crazy the last few years, these sun patterns follow the climate changes pretty closely too. But no, lets say its fossil fuels because environmentalist don't like them....
Plus there is a hell of a lot of money to be made off of global climate chaos....
Solar activity & climate: is the sun causing global warming?
In the last 35 years of global warming, the sun has shown a slight cooling trend. Sun and climate have been going in opposite directions.
www.skepticalscience.comI'm worth a million in prizes. 8k posts on the old board. Member since 1999.
GreenSpartan
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The earth heated up in Medieval times......