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Originally posted by rwfresh
Originally posted by Grimpachi
Originally posted by rwfresh
Originally posted by Grimpachi
Originally posted by rwfresh
Originally posted by Grimpachi
reply to post by rwfresh
What would you consider more important, wars that affect groups of people around the globe or a disaster that kills most of the people on the globe?
Sorry, are we assuming now that science can predict when most of the people on the globe will be killed by global warming?
Actually yes their are documents that state that once global temperatures rise to a certain level human life will not be sustainable.
What temperature would that be? How fast is the temperature rising and how much of an impact on the temperature would eliminating all human produced CO2 have? Would be good to know.
In the meantime what are we doing to prevent an earthquake from causing nuclear meltdown of 10 of the 104 nuclear reactors in the USA which would kill off mankind? What have we done to prevent a solar flare from initiating nuclear meltdown on all 104 reactors?
What is being done to stop the use of depleted uranium? How much time do we have until the food chain is completely wiped out by unsustainable farming practices?
Go and try and get me concerned about the temperature possibly rising in the future. try. please. And while you are at it.. what is your solution again?
Who cares?
Depleted uranium? Are you a whack job? Sorry I used to work with it and you can’t change my mind on it.
Nuclear reactors? You are more worried about that than a worldwide extinction. Wow your priorities are way off.
Anyway here is a link I am still waiting for yours.Arctic News
Google is your friendedit on 5-9-2012 by Grimpachi because: (no reason given)
You are seriously deluded. You are an automaton. Sorry. The DU explains a lot. Honestly you've got a lot more to worry about than the temperature and the Carbon Armageddon.
Originally posted by rickymouse
reply to post by Grimpachi
Very good article, I hadn't realized that the methane issue was so critical. Everyone needs to stop farting. That 2050 matches my estimate of extinction but I used all aspects of pollution. I'm pretty sure it is passed the point of no return already. This methane thing sounds dangerous, it sounds like they could possibly use HAARP to help fix it partially. Just fixing the methane problem only gives us ten more years here on earth. I can't believe people can't see what we have done to this planet.
Originally posted by Grimpachi
Originally posted by acmpnsfal
Originally posted by munkey66
source
The thin wisps of condensation that trail jet airliners have a significant influence on the climate, according to scientists who studied U.S. skies during a rare interruption in national air traffic after the September 11 terrorist attacks. During the three-day commercial flight hiatus, when the artificial clouds known as contrails all but disappeared, the variations in high and low temperatures increased by 1.1 degrees Celsius (2 degrees Fahrenheit) each day, said meteorological researchers.
What would happen to the planet if all aircraft was grounded?
A slow deliberate approach must be taken, rather than a knee jerk
That small variation in temperature means nothing at all, especially at the local level. I mean clearly the world would never stop air travel, but if something was discovered that could power airplanes that does not release the same byproducts as jet fuel and that did not leave contrails how it was phased in would be irrelevant. If it happened today or decade from now the decrease would be the same. The worldwide impact would be the same. But a 1.1 variation in a small segment of the planet is insignificant.
After reading the article the findings were inconclusive and they admitted that, however it is an aspect that does warrant further studies. It was an astute observation that does seem to indicate that at the very least human interaction does influence weather. There are many factors to be looked at but it does grab your attention especially for that time of year.
While the temperature range is significant, whether the jet clouds have a net effect on global warming remains unknown.
"And contrails are much more prevalent when the sun is out," he said. "When this is factored in, there is a possibility that they offset global warming, and this is what we are trying to determine now."
The researchers plan more studies to tackle that question, but they said they expect to rely on circumstantial evidence only.
It has been proved that, in the terminology of H’s argument, the “back radiation” is a flow of heat-t and is not a flow of heat-t. On the basis of this contradition H’s argument logically fails, from its violation of the law of non-contradiction
Several causes have been proposed: cyclical lows in solar radiation, heightened volcanic activity, changes in the ocean circulation, an inherent variability in global climate, or decreases in the human population. Lower CO2 atmospheric concentrations found in Antarctic ice cores may have resulted from the colder global climate.
They have discovered that aviation contrails play a huge role in the impact on the climate and an even greater impact than that created by the CO2 emissions produced. While the CO2 emissions from airplanes account for around three percent of the annual CO2 emissions from all fossil fuels and change the radiation by 28 milliwatts per square meter, the aviation contrails are responsible for a change of around 31 milliwatts per square meter. The only difference is that CO2 has a longer life than that of the contrails, and can still continue to cause warming even hundreds of years down the road.
Q) How long do contrails last? A) Anywhere from less than a second, up to several hours. If depends on the atmospheric conditions at the altitude the plane is flying. It’s unrelated to the weather on the ground.
In the abstract to their article, H state that Gerlich and Tscheushchner (hereafter collectively referenced by “GT”) “…claim to have falsified the existence of an atmospheric greenhouse effect.” This statement is prone to being misunderstood for, as GT demonstrate in their 2009 article, the literature describes many such effects. In their article, GT claim to have falsified all such effects that had been described at the time of publication of this article.
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Summary of Part 3: Roy Spencer posits that the Pacific Decadal Oscillation (PDO) is linked to chaotic variations in global cloud cover over multi-decadal timescales, and thus has been the major driver of climate change over the 20th century. To test this hypothesis, he fit the output of a simple climate model, driven by the PDO, to temperature anomaly data for the 20th century. He found he could obtain a reasonable fit, but to do so he had to use five (he says four) adjustable parameters. The values he obtained for these parameters fit well with his overall hypothesis, but in fact, other values that are both more physically plausible and go against his hypothesis would give equally good results. Spencer only reported the values that agreed with his hypothesis, however. Roy Spencer has established a clear track record of throwing out acutely insufficient evidence for his ideas, and then complaining that his colleagues are intellectually lazy and biased when they are not immediately convinced.