Author Topic: Antarctic volcanoes identified as a possible culprit in glacier melting  (Read 12720 times)

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Offline Wretched Excess

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Antarctic volcanoes identified as a possible culprit in glacier melting

Another factor might be contributing to the thinning of some of the Antarctica's glaciers: volcanoes.

In an article published Sunday on the Web site of the journal Nature Geoscience, Hugh Corr and David Vaughan of the British Antarctic Survey report the identification of a layer of volcanic ash and glass shards frozen within an ice sheet in western Antarctica.

"This is the first time we have seen a volcano beneath the ice sheet punch a hole through the ice sheet" in Antarctica, Vaughan said.

Volcanic heat could still be melting ice to water and contributing to thinning and speeding up of the Pine Island glacier, which passes nearby, but Vaughan said he doubted that it could be affecting other glaciers in western Antarctica, which have also thinned in recent years. Most glaciologists, including Vaughan, say that warmer ocean water is the primary cause of thinning.

Volcanically, Antarctica is a fairly quiet place. But sometime around 325 B.C., the researchers said, a hidden and still active volcano erupted, puncturing several hundred yards of ice above it. Ash and shards from the volcano carried through the air and settled onto the surrounding landscape. That layer is now out of sight, hidden beneath the snows that fell during the next 2,300 years.

Still, the layer showed up clearly in airborne radar surveys conducted over the region in 2004 and 2005 by American and British scientists. The reflected radio waves over an elliptical area about 110 miles, or 176 kilometers, wide were so strong that earlier radar surveys had mistakenly identified it as bedrock. Better radar techniques now can detect a second echo from the actual bedrock farther down.


The thickness of ice above the ash layer provided an estimate of the date of the eruption: 207 B.C., give or take 240 years. "It's probably within Alexander the Great's lifetime, but not more precise than that," Vaughan said.


Story



an inconvenient :doh:

Offline Chris_

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #1 on: January 28, 2008, 12:26:00 PM »
Just wait.....
algore will blame the volcanoes on the "hole in the ozone" over Antarctica.   :whatever:

...which, of course, can be blamed on the eeeeeeeevil Booooooosh!

 :mental:
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Offline SSG Snuggle Bunny

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #2 on: January 28, 2008, 12:28:37 PM »
This might be good in ammo forum...

GLOBAL WARMING: Volcanoes, Not Man, Melting Anarctic Ice
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Offline The Night Owl

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #3 on: January 28, 2008, 02:40:08 PM »
This might be good in ammo forum...

GLOBAL WARMING: Volcanoes, Not Man, Melting Anarctic Ice

Not so fast. According to the article, volcanoes are contributing to glacier melt but are not the primary cause of it...

Volcanic heat could still be melting ice to water and contributing to thinning and speeding up of the Pine Island glacier, which passes nearby, but Vaughan said he doubted that it could be affecting other glaciers in western Antarctica, which have also thinned in recent years. Most glaciologists, including Vaughan, say that warmer ocean water is the primary cause of thinning.

If you are looking for science to support the claim that global warming is not anthropogenic, this article is not it.
« Last Edit: January 28, 2008, 04:10:07 PM by The Night Owl »
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Offline Wretched Excess

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #4 on: January 28, 2008, 02:45:36 PM »
This might be good in ammo forum...

GLOBAL WARMING: Volcanoes, Not Man, Melting Anarctic Ice

Not so fast. According to the article, volcanoes are not the primary cause of glacier melting but are only contributing to it...

Volcanic heat could still be melting ice to water and contributing to thinning and speeding up of the Pine Island glacier, which passes nearby, but Vaughan said he doubted that it could be affecting other glaciers in western Antarctica, which have also thinned in recent years. Most glaciologists, including Vaughan, say that warmer ocean water is the primary cause of thinning.

If you are looking for evidence to support the claim that global warming is not anthropogenic, this article is not it.


any time a climatologist suggests anything other than my SUV as the sole cause of global climate change, and any solution other than outlawing both the internal combustion engine (for openers) and human economic choice (ultimately), it is a flat win for common sense.

 

Offline The Night Owl

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #5 on: January 28, 2008, 04:17:59 PM »

any time a climatologist suggests anything other than my SUV as the sole cause of global climate change, and any solution other than outlawing both the internal combustion engine (for openers) and human economic choice (ultimately), it is a flat win for common sense.

 

I can assure you that no scientist worth his or her salt is arguing that one SUV is causing climate change.

:-)
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Offline SSG Snuggle Bunny

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #6 on: January 28, 2008, 04:38:37 PM »

any time a climatologist suggests anything other than my SUV as the sole cause of global climate change, and any solution other than outlawing both the internal combustion engine (for openers) and human economic choice (ultimately), it is a flat win for common sense.

 

I can assure you that no scientist worth his or her salt is arguing that one SUV is causing climate change.

:-)
Must you always be so disingenuous?

So Vaughn says warmer oceans.

Methinks the sun is more likely to warm the oceans far before mankind.
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Offline The Night Owl

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #7 on: January 28, 2008, 04:51:29 PM »

Must you always be so disingenuous?

What have I been disingenuous about?

Quote
So Vaughn says warmer oceans.

You suggested that the article in question is "ammo" which can be used to refute the claim that climate change is anthropogenic, but nothing in the article refutes the claim that climate change is anthropogenic. All the article says is that volcanoes may be contributing to the melting of glaciers. You jumped the gun.

Quote
Methinks the sun is more likely to warm the oceans far before mankind.

What you thinks is not necessarily what David Vaughan thinks.
« Last Edit: January 28, 2008, 06:30:13 PM by The Night Owl »
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Offline SSG Snuggle Bunny

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #8 on: January 28, 2008, 05:02:04 PM »
When cornered you tend to respond with flippant, irrelevant comments. That's being disingenuous.


As for "jumping the gun" nothing in the article suggests GW is man-made, only that glacial melting is volcanic and possibly oceanic. Now before we hand over regulatory, legislative and economic control to a bunch of alarmists in Lear jets do we have anything worth being alarmed about?
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Offline The Night Owl

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #9 on: January 28, 2008, 05:10:06 PM »
When cornered you tend to respond with flippant, irrelevant comments. That's being disingenuous.

Lighten up, guy. My comment that no scientists are arguing that one SUV is the source of climate change was a joke. I thought you guys from The Peep's Cube had a sense of humor.

Quote
As for "jumping the gun" nothing in the article suggests GW is man-made, only that glacial melting is volcanic and possibly oceanic.

Dude... I haven't argued that the article suggests that global warming is the result of human activities. All I'm saying is that the article is not what you thought it to be. No biggie.
« Last Edit: January 28, 2008, 05:13:20 PM by The Night Owl »
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Offline Wretched Excess

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #10 on: January 28, 2008, 05:11:03 PM »

any time a climatologist suggests anything other than my SUV as the sole cause of global climate change, and any solution other than outlawing both the internal combustion engine (for openers) and human economic choice (ultimately), it is a flat win for common sense.

 

I can assure you that no scientist worth his or her salt is arguing that one SUV is causing climate change.

:-)

yeah, but you can't swing your arm in academia without whacking a salt-free scientist.

Offline SSG Snuggle Bunny

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #11 on: January 28, 2008, 05:42:58 PM »
When cornered you tend to respond with flippant, irrelevant comments. That's being disingenuous.

Lighten up, guy. My comment that no scientists are arguing that one SUV is the source of climate change was a joke. I thought you guys from The Peep's Cube had a sense of humor.

Quote
As for "jumping the gun" nothing in the article suggests GW is man-made, only that glacial melting is volcanic and possibly oceanic.

Dude... I haven't argued that the article suggests that global warming is the result of human activities. All I'm saying is that the article is not what you thought it to be. No biggie.
Except your comment was not to me, it was towards someone who, granted was using hyperbole, to illustrate the point that SUV's are more than likely NOT the culprit to the earth's cyclical warming.

As you chose to not respond with a genuine answer we must assume you have no answer.

Your (over-)reliance on muddled ambiguity, i.e. "What you thinks is not necessarily what David Vaughan thinks." only adds to the contention you have nothing to add. This is the same tactic you're attempting in the Fight Club thread: make assertion, leave it unproven, rely on meaningless statements such as "the court of public opinion."

I maintain my petition that you not be banned because you serve as a prime example of the vacuousness of liberal ideology.
According to the Bible, "know" means "yes."

Offline Chris_

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #12 on: January 28, 2008, 06:09:57 PM »
This might be good in ammo forum...

GLOBAL WARMING: Volcanoes, Not Man, Melting Anarctic Ice

Not so fast. According to the article, volcanoes are contributing to glacier melt but are not the primary cause of it...

Volcanic heat could still be melting ice to water and contributing to thinning and speeding up of the Pine Island glacier, which passes nearby, but Vaughan said he doubted that it could be affecting other glaciers in western Antarctica, which have also thinned in recent years. Most glaciologists, including Vaughan, say that warmer ocean water is the primary cause of thinning.

If you are looking for science to support the claim that global warming is not anthropogenic, this article is not it.

It is yet another brick in the wall against -- and provides no support for --human-based GW. 

Just as algore created a paper tiger based on junk science brick by brick, so shall real science eventually reassert itself, brick by brick.

Liar.
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Offline The Night Owl

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #13 on: January 28, 2008, 06:21:54 PM »

It is yet another brick in the wall against -- and provides no support for --human-based GW. 


The fact that the article does not present evidence in support of the idea that global warming is being caused by human activities does not mean that it should be taken as evidence against the idea that global warming is being cause by human activities.

The article is about a recent study which indicates that volcanoes are contributing to the melting of glaciers- nothing more and nothing less.
« Last Edit: January 28, 2008, 06:24:17 PM by The Night Owl »
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Offline SSG Snuggle Bunny

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #14 on: January 28, 2008, 07:53:59 PM »

It is yet another brick in the wall against -- and provides no support for --human-based GW. 


The fact that the article does not present evidence in support of the idea that global warming is being caused by human activities does not mean that it should be taken as evidence against the idea that global warming is being cause by human activities.

The article is about a recent study which indicates that volcanoes are contributing to the melting of glaciers- nothing more and nothing less.
As glacial melting is thrown at us as evidence of global warming...yeah, this article does much to debunk the allegation.
According to the Bible, "know" means "yes."

Offline Chris_

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #15 on: January 28, 2008, 08:02:35 PM »

It is yet another brick in the wall against -- and provides no support for --human-based GW. 


The fact that the article does not present evidence in support of the idea that global warming is being caused by human activities does not mean that it should be taken as evidence against the idea that global warming is being cause by human activities.

The article is about a recent study which indicates that volcanoes are contributing to the melting of glaciers- nothing more and nothing less.

Did you major in non-sequiturs?

Proof that global warming is being caused by volcanoes subtracts from any ideas that GW is cause by humans.

You can slick your skin with vasoline but that doesn't make you any slicker.

We have proof that GW is natural.  You have no proof that humans cause it.

Yet another liberal lie.

Liar.

If you want to worship an orange pile of garbage with a reckless disregard for everything, get on down to Arbys & try our loaded curly fries.

Offline The Night Owl

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #16 on: January 28, 2008, 09:41:34 PM »
Proof that global warming is being caused by volcanoes subtracts from any ideas that GW is cause by humans.


The article does not contain any claims that volcanoes are causing global warming. The article is about a study which suggests that volcanoes may be contributing to glacial melting.

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Offline Wretched Excess

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #17 on: January 28, 2008, 09:42:46 PM »
Proof that global warming is being caused by volcanoes subtracts from any ideas that GW is cause by humans.


The article does not contain any claims that volcanoes are causing global warming. The article is about a study which suggests that volcanoes may be contributing to glacial melting.



which, in turn, is used as a major support for . . . . never mind. 

Offline The Night Owl

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #18 on: January 28, 2008, 09:51:09 PM »

As glacial melting is thrown at us as evidence of global warming...yeah, this article does much to debunk the allegation.

Considering that the article indicates that volcanoes are only contributing to glacial melting and not causing it, I don't understand why you would suggest that it debunks the notion that mankind is the primary cause of global warming.

Some have tried to suggest that a conflict exists between the idea that natural processes are contributing to global warming and the idea that mankind is the primary cause of global warming, but scientists don't see it that way. Most of the science on global warming supports the idea that it may be the result of a combination of natural processes and human activities.

« Last Edit: January 28, 2008, 10:06:53 PM by The Night Owl »
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Offline SSG Snuggle Bunny

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #19 on: January 29, 2008, 07:38:52 AM »
OK, let's try this again for the cephalically-impaired...

Melting glaciers are used as evidence of human caused global warming.

The article says volcanoes are a contributor.

However it also says the warming of the oceans may contribute as well.

(Although for my money if I were to wager as to which was a bigger contributor: magma that is 1000's of degrees in temperature or global warming that has raised temps by tenths of a degree...)

At best the question then becomes one of: what is warming the oceans because glacial ice melt pretty much ceases to serve as a GW bludgeon because if you say, "We have GW and we know this because the glaciers are melting!" we'll tell you that the scare tactics aren't going to wash if the ice is being melted by a volcano.

You need to find another Bogey Man because the creaking and the shadows scaring you at night were just the old elm tree outside the window.
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Offline Wretched Excess

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #20 on: January 29, 2008, 07:48:52 AM »
most of the reports I have read refuse to admit that any natural causes may even contribute slightly to global warming;  it is invariably attributed to man's presence on the planet, i.e., my SUV.  I don't recall algore mentioning volcanoes.  in fact, anyone that disagrees with the orthodoxy that man's activity is the sole cause of climate change is usually hooted right out of academic circles.

but I also found it interesting that infallible science misinterpreted a layer of ash as bedrock, thus causing the incorrect estimate of the depth of the ice shelf;  it is thicker than they thought.

« Last Edit: January 29, 2008, 07:53:54 AM by Wretched Excess »

Offline Chris_

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #21 on: January 29, 2008, 07:51:56 AM »
OK, let's try this again for the cephalically-impaired...

Melting glaciers are used as evidence of human caused global warming.

The article says volcanoes are a contributor.

However it also says the warming of the oceans may contribute as well.

(Although for my money if I were to wager as to which was a bigger contributor: magma that is 1000's of degrees in temperature or global warming that has raised temps by tenths of a degree...)

At best the question then becomes one of: what is warming the oceans because glacial ice melt pretty much ceases to serve as a GW bludgeon because if you say, "We have GW and we know this because the glaciers are melting!" we'll tell you that the scare tactics aren't going to wash if the ice is being melted by a volcano.

You need to find another Bogey Man because the creaking and the shadows scaring you at night were just the old elm tree outside the window.

Because TNO misinterprets all data ON PURPOSE.  He is a self-confessed by implication liar and can't help himself.  If you were to say "the sky is blue" he would say "well, it isn't green so that supports (libtard talking point here)."

He is a liar of the highest order.
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Offline Happy Fun Ball

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #22 on: January 29, 2008, 07:55:18 AM »
So what is the correct temperature of the earth anyway?

Offline Wretched Excess

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #23 on: January 29, 2008, 08:02:12 AM »
So what is the correct temperature of the earth anyway?

the correct temperature of the earth is "not too cold, and not too hot". :-)

I think the whole notion of a "global temperature" is pretty misleading;  the earth is too big, it's climate too diverse, it's geography to drastically different, and it's seasons too consequential,  for there to be a particular number that can be relied upon as a global temperature without looking silly from a scientific perspective.

besides, I'm always a little cold, anyway.


Offline SSG Snuggle Bunny

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Re: Antarctic volcanoes identified as a possible culprit in glacier melting
« Reply #24 on: January 29, 2008, 08:05:34 AM »
So what is the correct temperature of the earth anyway?

the correct temperature of the earth is "not too cold, and not too hot". :-)

Eesh!

I had a vision of Algore in a pink dress and blonde curls playing Goldilocks.
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