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Posted by: engineer 1 year, 8 months ago
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engineer1 year, 8 months ago
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A chunk of Antarctic ice about seven times the size of Manhattan suddenly collapsed, putting an even greater portion of glacial ice at risk, scientists said Tuesday.
Satellite images show the runaway disintegration of a 160-square-mile chunk in western Antarctica, which started Feb. 28. It was the edge of the Wilkins ice shelf and has been there for hundreds, maybe 1,500 years.
This is the result of global warming, said British Antarctic Survey scientist David Vaughan.
Because scientists noticed satellite images within hours, they diverted satellite cameras and even flew an airplane over the ongoing collapse for rare pictures and video.
"It's an event we don't get to see very often," said Ted Scambos, lead scientist at the National Snow and Ice Data Center in Boulder, Colo. "The cracks fill with water and slice off and topple... That gets to be a runaway situation."
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engineer1 year, 8 months ago
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Teech1 year, 8 months ago
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How many times does George Bush have to tell you people that global warming is nothing but a hoax based on bad science! How many times do Neocons have to tell you that this is all a huge fabrication of Al Gore to make money selling carbon credits! Listen to your president, ignore all evidence, go shopping, rejoice over our victory in Iraq, go shopping and spend all that money you are getting back in taxes and don't worry! The economy is booming! It has never been better! Vote for McCain to carry on this great Republican legacy.
It's obvious that the Dems have somehow faked some video or something to make you think that the ice is melting. Don't believe them or any of those thousands of stupid scientists who have studied this for years. Bush says it's a hoax, it's a hoax. End of discussion. Would he lie to you?
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eddie1071 year, 8 months ago
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The sky is falling, the sky is falling!
There is no doubt that the earth is growing warmer. The evidence is all around us. But we are exactly where we are supposed to be.
I for one am very thankful that I am in this time of the cycles of Ice ages on this planet where warmth and life is dominant.
I just feel sorry for the ones who will have to make a life in New York City when it is covered in a half a mile thick sheet of ice which has covered NY in every Ice Age.
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libsRfunnyComment removed: Hard Banned1 Reply
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Endoscopy1 year, 8 months ago
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LOL
The 2000 meter down measuring tools checking temperature and water flow in the oceans show a slight drop in temperature. The Russian scientists measuring the average earth temperature say that the temperature has not only flattened in the last decade but has started down again. A Polish scientist working for NOAA quit and further developed the project he was working on that proves greenhouse gass don't have a greenhouse effect. The Antartic is getting colder an the snow and Ice levels have been growing.
It couldn't be that the weight was too much but global warming in an area where it is getting colder and the ice cap is increasing is the cause.
Don't let the facts get in the way of your beliefs. Just because more and more scientists are saying the theory is wrong shouldn't matter. Keep up the Global warming mantra.
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Klarissa1 year, 8 months ago
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endo - They haven't commented on the ground underneath the glacier being heated by an old volcano.
This would melt the bottom of the glacier, like occurs when you go down a water slide. I acts as a lubricant, the glacier floats along, and if it is a down hill ride, it goes faster and faster.
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Klarissa1 year, 8 months ago
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Volcano, Not Global Warming Effects, May be Melting an Antarctic Glacier, January 21, 2008
Scientists have discovered a layer of volcanic ash and glass shards in Antarctica, evidence of an old eruption by a still active volcano that researchers believe may be contributing to the thinning of Antarctic glacial ice.
Hugh F.J. Corr and David G. Vaughan, two scientists with the British Antarctic Survey, recently published their discovery of the volcanic layer in the journal Nature Geoscience. The discovery is unique according to Dr. Vaughan. He said "This is the first time we have seen a volcano beneath the ice sheet punch a hole through the ice sheet."
The volcano's heat could possibly be melting and thinning the ice and raising the speed of the Pine Island Glacier in West Antarctica.
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Klarissa1 year, 8 months ago
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The thickness of the ice above the layer mean that the scientists could date it to roughly 200 B.C., plus or minus 240 years or so. But the researchers think they can narrow it down more than that. From previous examinations of ice cores, they knew that a volcano had erupted in Antarctica some time around 325 B.C., although they had not known where the eruption had happened. Dr. Vaughan said: "We're fairly confident this is the same eruption."
Source: New York Times
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libsRfunnyComment removed: Hard Banned
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ETproductions1 year, 8 months ago
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Where do you have the tip of that endoscope, endy? It's showing you that mankind pumping 7 billion metric tons of CO2 into earth atmosphere does nothing? http://www.eia.doe.gov/oiaf/1605/ggccebro/chapt...
I suppose we are to believe that the cooling you claim in the polar region is why, for the first time in recorded history, the Arctic Ocean is ice free and navigable. http://www.nrdc.org/globalwarming/qthinice.asp
It's little wonder, with the funding that big oil and coal put up for deniers, that you can muster 1 or 2 prostitutes who would are content to sell their souls and the health of the planet for a few shekels.
NASA satellite images from all over the earth show clearly that glacial ice is melting and that the melting is increasing. http://earthobservatory.nasa.gov/Newsroom/NewIm...
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ETproductions1 year, 8 months ago
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Here's another, more comprehensive set of pictures that dramatically show the alarming retreat of glaciers all over the world. http://en.wikipedia.org/wiki/Retreat_of_glacier...
In some places, glaciers "seem" to be growing, spreading over new ground. But this turns out to be due to melting, with the runoff seeping under the glacier and lubricating it so that it slides more rapidly down the mountain into the warmer valleys below.
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eddie1071 year, 8 months ago
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Lol, That was too funny ET!
If for nothing else, I love the dialog that gets posted around here.
I very much agree that we are making an impact on the earth, and it is very much a negative one, but with 3rd world countries trying to emerge, and population explosions all over the world, the earth just doesn't stand a chance.
Even though Americans are by far more cleaner than we have ever been in our brief history, it is not enough to save the rest of the world. What we can do will not even make a small dent in what the rest of the world is doing.
Save the humans, destroy the world. - There is only one way to change that statement, and that is to reverse it. And mankind will never let that happen.
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ETproductions1 year, 8 months ago
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Yeah, I understand the challenge we face. But it will fix itself if we (all mankind) don't step up and fix it.
If we leave it to nature, rising ocean levels will lead to mass displacements of hundreds of millions of people. Incredible extremes of rainfall will develop, with rainy areas receiving unheard of flooding and more arid zones becoming mass dust bowls. Humans by the billions will be exposed to starvation. Food wars will erupt across the planet. And when the population finally dips low enough again, say 1 billion or so, earth will reach a balance and slowly begin to heal.
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eddie1071 year, 8 months ago
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Hey ET, it is a noble thought to try and stop nature, but 3 million years ago the ice ages started, and 13 cycles later, mankind stepped out of the snow from the last ice age.
Our whole "flash in the pan", so to speak has been between 2 ice ages, and the only real way to stop it from coming again, would be to wipe central America off the planet. To re-open up the oceanic currents that kept the planet stable once upon a time.
But with that action, you will also melt all of the ice caps and you will find the planet stabilized in a tropical environment. But who thinks that anything of that nature is even possible?
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eddie1071 year, 8 months ago
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Sorry ET, but the damage man has done, is already done. I don't think that what is happening is that far away from what is supposed to be happening. We are experiencing the temperature changes that we are supposed to experiencing right now in cycle of time.
But as far as the damage that mankind does to the earth, are you going to tell the 3rd world countries of the earth, that they cant feed the people of their nation, because they make too much pollution?
A friend of mine said something profound once, Everyone talks about the deer population here is going wild, but how often do you see a deer? Isn't it nice when you do? And how often do you see a human? Where is the population problem REALLY?
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Isoparm1 year, 8 months ago
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You still insist on cherry-picking info., instead of thinking about what is happening. The world's heat-balance is shifting. The most obvious indicator of this change, is whether or no there is a change in global ice mass. If there is an increase of ice mass, then that means that there is a decrease of heat in the atmosphere. If the ice mass is decreasing, as is described in this article, then the opposite is occurring, and atmospheric heat is increasing. This not that hard to figure out. You will never hear Limbaugh or the other talk-show hosts describe this, as they are either way too stupid to understand this, or it's not in their (or their master's) interest to provide clarity.
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Klarissa1 year, 8 months ago
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Several ice shelves -- Prince Gustav Channel, Larsen Inlet, Larsen A, Larsen B, Wordie, Muller and Jones -- have collapsed in the past three decades, the British Antarctic Survey said.
Larsen B, a 1,254-square-mile ice shelf, comparable in size to the U.S. state of Rhode Island, collapsed in 2002, the group said.
Climate in Antarctica is complicated and more isolated from the rest of the world.
Much of the continent is not warming and some parts are even cooling, Vaughan said.
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crespi1 year, 8 months ago
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Who are you protecting, Klarissa?
Exxon, who paid millions to crackpots to "prove" there is no Global Warming?
Or is it the heinous Fundamentalist Christians, who called people Communist, traitor and coward, ON THESE VERY PAGES (and even worse on the old Netscape) if anyone DARED to point out the environmental facts, since I HAVE CHRISTIAN MAGAZINES, PAMPHLETS AND RADIO TRANSCRIPTS GOING BACK TO 1980 DENYING AGAIN AND AGAIN THAT THERE IS EVEN A GLOBAL TEMPERATURE RISE.
The Christians LIED. Many normal people are unsure why and think the Fundamentalist Christians were in cahoots with the malfeasant oil companies.
But WE know better don't we? You wanted HELL ON EARTH to prove Heaven's "greatness." You wanted TRIBULATIONS to prove your hate of the world. You want fear and riots so people will turn to your creepy war-mongering, torturing, thieving GOD and join his neocon minions.
Keep telling us IT'S NOT HAPPENING or IT'S ALL SO NATURAL.
We WILL remember...
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PapaWolf1 year, 8 months ago
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crespi,
I gave you a POS but have 1 favor - do NOT group me & most of the Christians I know into that group. The Christians I know, & the fathers & mothers of our church were more interested in creating Heaven on Earth to draw people to their faith by love & compassion, rather than Hell on Earth to drive people through fear & hate.
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crespi1 year, 8 months ago
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Sorry about painting with a broad brush. Many of faith here on propeller are very kind and good.
But the Neocons wrecked American Christianity they way they wrecked the Republican Party.
Now they are oozing into the Democrats.
Moderate Christians SHOULD HAVE STOOD UP when Falwell repeatedly said on MSNBC that the victims of 911 "deserved it."
Or TWENTY-FIVE YEARS earlier when Pat Robertson prayed on television for WWIII. And saying "Bill Clinton murdered Vince Foster with his own hands," and then chuckling and rubbing his hands together with glee for breaking the Ninth Commandment out of hate for political purposes and BEARING FALSE WITNESS against the President of the United States in the name of Christ.
Maybe atheists are God's way of showing Christians not to listen to the Lord of Lies, know what I'm saying?
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Isoparm1 year, 8 months ago
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Climatic behavior is very complex, which is why I find it amazing that so many people with apparently no science background whatsoever are feeling quite comfortable voicing judgments as to the validity of what is occurring. Would these same people feel quite so qualified voicing opinions, or arguing with a doctor on the merits of this, or that, technique to apply to a pending heart surgery? Who would trust this judgment? The science describing climate behavior is vastly more complex, and the most powerful computers today, are required for most calculated projections.
The climatic interactions in Antarctica are complex, but when ones sees the re-occurrences of ice-shelf collapse as you described, this simplifies a search for a cause. These continent-wide occurrences, eliminates a spot cause (such as a volcano), and only re-enforces evidence of shifting heat balance. The Antarctic is not isolated from the rest of the world. Everything effects everything else.
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Klarissa1 year, 8 months ago
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Volcano, Not Global Warming Effects, May be Melting an Antarctic Glacier, January 21, 2008
,,,,
they knew that a volcano had erupted in Antarctica some time around 325 B.C., although they had not known where the eruption had happened. Dr. Vaughan said: "We're fairly confident this is the same eruption."
Source: New York Times
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libsRfunnyComment removed: Hard Banned
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