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Why CO2 STOPS absorbing infrared below 400 ppm(12-20-13).

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Dan
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Joined: Jan 01, 1970
Posts: 295
Location: USA

PostPost subject: Why CO2 STOPS absorbing infrared below 400 ppm(12-20-13).
Posted: Sun Jul 07, 2013 5:42 pm

First, cause always precedes effect for it to be a cause. Period. The base principle of scientific analysis.

CO2 rises always, without exception, occur after increases in global temperatures as 800,000 years of ice core samples show both in Greenland and Antarctica.
Ice core correlations between CO2 levels and global temperatures. They CO2 increases lag behind temperature increases by 1200 +/- 700 years.
Page 29 by Burt Rutan. A shorter term graph.

The reason for this is shown by applying the the Beer-Lambert Law.

A caveat: This does not mean the planet can not warm or cool by other causes, just that CO2 stops absorbing infrared at about 120 ppm and so does not further contribute to global warming by the Beer-Lambert Law.. I have listed some urls at the bottom to tests confirming the above assertion.

The IPCC claim that there is a 95% consensus among scientists for AGW is false on its face, there are thousands of scientists savaging its latest report. The fact you do not hear these disagreements is a terrible indictment of our major news media. By the above glaciologists reports, there is a 100% certainty the Human global warming models are false as they violate basic cause and effect. For CO2 increases to be a cause, they must precede the effect.

As we will see the Beer-Lambert Law shows why CO2 has very little to do with global cooling or warming, but it is necessary for all life to exist on Earth. More is better, not less as it is the most powerful global plant fertilizer in existence, especially for deserts.


CO2 caused Global Warming advocates' whole hypothesis rests on a physically impossible assertion, "that CO2 in the atmosphere absorbs infrared heat like a sponge with infinite heat capacity". Thus as CO2 levels increased in our atmosphere to the 4/10,000ths(400 ppm) now from the 280 ppm pre-1800, that this increase would start warming the whole planet on a massive scale. And that further increases in CO2 levels will create massive heat caused disruptions, killing much life on Earth.

This public assertion is NOT true, NOT possible, in short gross scientific malpractice caused by not starting your analysis from a fixed point of reference, the place from which almost all Earth's infrared originates, its surface. A simple basic gas physics law describes how infrared radiation is absorbed by any atmospheric gas especially CO2. This Law demonstrates that increased atmospheric CO2 levels can NOT cause global warming.

The Beer-Lambert Law predicts the upper limit on how much infrared energy any gas can absorb. Once you know the ppm for CO2 or any other gas(s) in an atmosphere where 50% of the infrared is absorbed(at 30 ppm for C02 in less than one cubic meter), then the Beer-Lambert Law says you can only absorb another 50% more, or just twice as much. This puts an absolute upper limit on how much infrared energy any gas can absorb. It is flatly, unequivocally, physically impossible for CO2 to absorb anymore infrared starting at around 100 ppm, let alone 400 ppm.

The Beer-Lambert Law works in two ways. First, it predicts how much doubling CO2 levels affects infrared absorption as infrared moves in a straight line through a fixed volume of atmosphere(a cubic meter, actually less); or second, by doubling the distance infrared travels while holding ppm constant. Both ways can and do operate at the same time. In CO2's case using either measurement, starting at 30 ppm and doubling to 400 ppm our present level, or doubling the distance CO2 travels through the atmosphere, all the infrared CO2 can absorb is absorbed well before 400 ppm is reached. It is in fact, an infrared sponge of very small capacity. Any combination of six distance or ppm doubles gets you to over 99% absorption of the infrared. Basic gas physics.

Good scientific analysis always tries to start from a known fixed point of reference. In CO2's absorption of infrared, we start, by inspection, from the common points from which all Earth's infrared originates, its surface. Since the Beer-Lambert Law describes how infrared moves in straight lines up from Earth's surface, the analysis and conclusions are direct and simple.

Here is how the Beer-Lambert Law works.

CO2 absorbs 50% of the infrared it can absorb at 30 ppm after traveling a given distance from the surface through the atmosphere(it is under 1 meter but we can use 100 meters), double the ppm to 60 and it absorbs half more of the infrared left, or 75% of the infrared it can absorb, double again to 120 ppm and it absorbs half more of the infrared not yet absorbed or 87.5%.

At 240 ppm = 94.75% of infrared it can absorb.

Obviously at 400 ppm we are at 97%.

In fact, all the infrared radiation CO2 can absorb is absorbed in under 20 meters of atmosphere.

Explaining why absorption occurs in under 20 meters comes from doubling the distance traveled by the infrared. Using 1 meter as our doubling distance unit and holding CO2 levels at 30 PPM, then with four doubles we are at 16 meters absorbing 94.75% of the infrared CO2 can absorb. Since we are at 400 ppm, that is another 4 doubles or 99% plus absorption of infrared.

But lets use a 100 meters as our doubling distance while holding to 30 ppm. At 1600 meters of atmosphere we are at 94.75% absorption of infrared.

CO2 goes up to more than 22,000 meters or 22 kilometers in our atmosphere. Go to page 12 for the graphs showing CO2 levels from 6 to 22 kilometers of altitude. High atmospheric CO2 levels are very close to ground levels.

Ergo above 100 ppm any remaining infrared absorption by CO2 is negligible. However we do get that lovely plant fertilization effect.

Notice changing the initial 30 ppm observation to 200 ppm doesn’t change the argument. We could start at 200 ppm and we would still be at not 75% absorption at 400 ppm but 100%. Again that's because of the 22 plus kilometers of distance infrared must travel through the atmosphere.

Measurements of average global temperature confirm this. Average Earth temperatures have not risen for 17 years. This puts all present CO2 caused global warming models well below their predicted temperature range. This result is predicted by the Beer-Lambert Law because it says that any CO2 greenhouse effect has long ago topped out, as all the possible infrared CO2 can absorb has been absorbed long before we reached 400 ppm.

In addition, man caused additions to CO2 levels have always been a very small percentage of all natural greenhouse gasses cycled yearly on Earth. About 0.28%. This trivial amount can only hold a tiny fraction of the heat energy necessary to warm Earth as the warmists predict.

Those of you who say man's emissions of CO2 cause global warming must show us that the Beer-Lambert Law does not hold for CO2 infrared absorption, which would mean chemistry professors would have to stop teaching the Law, or Global Warming advocates can admit your arguments for CO2 caused global warming are by basic physics, impossible.

When you are talking policies that would leave a third or more of Earth's population without the benefits of the energy produced by fossil fuels that we in the developed world enjoy, then Global Warming advocates have an absolute obligation to get your facts straight about how much infrared CO2 can absorb at 400 ppm = ALL it possibly can; before you advocate policies absolutely contradicted by basic physics.

Measurements show that what infrared CO2 does absorb is trivial compared to rest of atmosphere.

Since President Obama and the IPCC are pushing public policies that would inflict massive tax increases and regulations restricting the single greatest positive input for increasing vegetation levels on Earth which is CO2 = the food we eat, their NOT true assertion must be exposed and challenged before their bad policies actually do kill some of us.

After all, since 'CO2 caused global warming advocates' claim to be doing this for the common good, then you have to be glad when your dire predictions are shown to be physically impossible.

Two words are supposed to come out of your mouth when someone demonstrates that your facts are wrong. They are, "Thank you!" When is the last bad measurement you used for free?

As of this date, however, when you show most warming advocates their facts are wrong they call you names, get angry, and stomp away. Right now, that behavior applies to way to many of us opining on any subject. Such behavior is the sigh of a dishonest and immature civilization. It is about time we grew up.

Tests: A spectroscopic artifact by Heinz Hug

CO2 Absorption Spectrum Explained by Gary Novak

List of papers on CO2 absorption properties

These links are enough to get started. Hugs is simple and direct about how to do the test that shows CO2 absorbs all the infrared CO2 it can within ten meters at our atmospheric levels. It is easily replicated.

The best summary of evidence of how CO2 relates to climate change. An Engineer‟s Critique of Global Warming „Science‟ Questioning the CAGW * theory by Burt Rutan Jan 2011

His conclusion. We do have a problem, low CO2. I agree.

Two recommendations:

First, we don't know enough about what causes changes in global temperatures, except it is not CO2 affecting those changes at these levels. We haven't been watching objectively long enough, so lets cool our jets and let Mother Earth do her thing until we know more. One thing I do know, warmer is better. Ice ages kill.

Second, Along with Rutan I strongly recommend more CO2 because it grows a lot more vegetation, especially in desert areas. You really do want to help green the planet without extra work and no extra global warming, don't you?

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