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Originally posted by ShiftTrio
But they do know what green houses gases do, and so doubling (at the very least People put out 130 X as much C02 as Volcanoes do, another skewd fact I always see misrepresented on this board) would tend to say the effects of those gases would double. Sounds at the very least logical doesnt it. So why the big argument?
Originally posted by Indy
Just like CO2 is insignificant compared to the rest of the atmosphere. And doubling CO2 doesn't double the effect. In fact there is a diminishing return with CO2. You may for example need 10x more CO2 to double the effect. And even with that that 10x addition is still insignificant.
While CO2 increases can result in temperature increases the amounts needed would be enormous and the reality is that CO2 level changes are more likely the RESULT of temperature changes.
CO2 on this planet is basically along for the ride.
Originally posted by melatonin
Doubling CO2 (280ppm -> 560ppm) is predicted to result in 2-4'C warming across the globe. And the next doubling won't be so different.
And the current atmospheric CO2 increases are predominately the result of burning copious amounts of dead organic materials.
Except when it is released on large scales which leads to rapid accumulation. Then it hangs around doing what GHGs do, just like during the PETM.
Originally posted by Indy
CO2 may double but temps won't increase 2-4C. Mark my word on that. It is unsubstantiated fear mongering by GW supporters.
Speculation.
Large scale? That is hype. Just like when I referred to doubling 50 cents to a dollar. That wasn't a large scale release of currency. The level of CO2 on this planet is insignificant. It is going to take a lot more than a clever graph or cutely colored picture to convince me and many others that a gas that amounts to a few hundred parts per million will change our climate.
Global temperatures right now are in no way in a unique position. In fact they are cooler than during the medieval warm period.
Originally posted by Indy
Originally posted by mbkennel
Let's make sure to be able to distinguish puffery from a self-styled baloney "institute" from actual science done by actual scientists.
So I assume this means we can ignore the tripe that gets published by the IPCC right? After all they are a government organization. Why do I suspect had this organization just repeated something that the IPCC said you'd be screaming "look here!!! global warming!!!"
If you look at the long term temperature trends you'll see that there is something very cyclical about climate change. Like it or not man has nothing to do with it. Man isn't responsible for any of the climate changes of the past.
He isn't responsible for this one. He didn't cause previous global warming. He didn't cause previous global cooling. When you look at the Vostok temperature plots you will see e very regular cycle. Right now we are at the very top of the mountain. Without exception there is a sharp fall that follows. But why is this?
It seems interesting that we are at the point where the fall is expected to come if you go by historic records and now that seems to jive with the prediction of a solar minimum.
Global Warming supporters will be fuming over this. They will come up with nonsense replies like the one I am responding to that tries to attack the messenger because the report is damaging to their beliefs.
This is much in the way people in the past were attacked for research because it was felt that such worked diminished god somehow. GW is like a religion to these people and they will protect it at all cost.
Large scale? That is hype. Just like when I referred to doubling 50 cents to a dollar. That wasn't a large scale release of currency. The level of CO2 on this planet is insignificant. It is going to take a lot more than a clever graph or cutely colored picture to convince me and many others that a gas that amounts to a few hundred parts per million will change our climate. Thats like tossing a bucket of rocks into the Mississippi river and trying to convince me that you are disrupting the flow of water.
Global temperatures right now are in no way in a unique position. In fact they are cooler than during the medieval warm period. This happened prior to the industrial revolution. If you want to convince me we are warming the planet you have to come up with something better than CO2.
According to theory and observation, the speed of the belt foretells the intensity of sunspot activity ~20 years in the future.
..............................................
"The slowdown we see now means that Solar Cycle 25, peaking around the year 2022, could be one of the weakest in centuries," says Hathaway.
"All leading climate models forecast that as the atmosphere warms there should be an increase in high altitude cirrus clouds, which would amplify any warming caused by manmade greenhouse gases," he said. "That amplification is a positive feedback. What we found in month-to-month fluctuations of the tropical climate system was a strongly negative feedback. As the tropical atmosphere warms, cirrus clouds decrease. That allows more infrared heat to escape from the atmosphere to outer space."
1. SPACE SCIENCE RESEARCH CENTER The Space Science Research Center (SSRC) will consist of researchers in solar physics, astrophysics, astrobiology, and space plasma physics, and high-energy plasma physics. Major research areas include high-energy astrophysics (gamma and x-ray astronomy and cosmic ray physics) and solar-terrestrial physics (solar and space plasma physics and planetary atmospheres). Primary customers for this unit will include NASA's OSS (Structure and Evolution of the Universe, Origins, and Sun-Earth Connection themes), National Oceanic and Atmospheric Administration (NOAA), Department of Defense, National Science Foundation (NSF), and the Department of Energy.
Originally posted by Indy
.............
People make the assumption that going from 300ppm to 400ppm matters. It really doesn't. 400 looks like a nice number. Looks menacing. But it isn't. While CO2 increases can result in temperature increases the amounts needed would be enormous and the reality is that CO2 level changes are more likely the RESULT of temperature changes. Temperature changes will impact nature and how plants and animal life convert CO2 to O2. That will directly effect the global CO2 levels. But again it really doesn't matter. CO2 on this planet is basically along for the ride.
Originally posted by CommonSense4Eber
Well done Indy.
Originally posted by CommonSense4Eber
First of all the announcement made by David Hathaway is based on "observational data". Meaning they have been seeing this slowdown of the Sun's conveyor's belt.
I would like to find out why Melatonin claims it is based on computer models, since that is not true.
Predicting solar cycle 24 with a solar dynamo model
Authors: Arnab Rai Choudhuri, Piyali Chatterjee, Jie Jiang
(Submitted on 18 Jan 2007)
Abstract: Whether the upcoming cycle 24 of solar activity will be strong or not is being hotly debated. The solar cycle is produced by a complex dynamo mechanism. We model the last few solar cycles by `feeding' observational data of the Sun's polar magnetic field into our solar dynamo model. Our results fit the observed sunspot numbers of cycles 21-23 extremely well and predict that cycle~24 will be about 35% weaker than cycle~23.
The GCMs are computer models which try to predict future Climate Change, but they have been shown time and again to be wrong.
Only the GCMs predict the exagerated increases in temperatures due to CO2, and this is based on flawed computer models which have been proven to be wrong time and again.
Hathaway said. "There's no real physics involved," he explained. "It's all statistical inferences."