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originally posted by: Justoneman
originally posted by: Greven
Principa-Scientific, the source for this utter nonsense, is a ridiculous shill site that just makes up stuff to go with its ideological leanings.
Honestly, it should be banned from linking like the rest of the ones that are, for the same reasons.
CO2 measurements are taken on top of a volcano in Hawaii, several thousand feet up down to sea level in other locations. There are hundreds of stations that record CO2 all over the world at varying altitudes, yet the variation is not enormous. The most variation is in Antarctica, as I recall.
Yes, CO2 is heavier than O2 and N2. No, it does not all fall down to the surface and cluster at ground level, because we would all have suffocated long ago if it did.
Did you read it or just give up because it counters the liars?
originally posted by: Greven
originally posted by: TheRedneck
I've been saying this for years... CO2 is heavier than air, so it tends to sink. This is actually a big design consideration in greenhouse design.
Of course, the atmosphere is not static like a greenhouse. Wind currents continually mix the atmosphere, and volcanoes can shoot gases upward easily. Even respiration puts hot CO2 in the air where it will lift somewhat until it cools. CO2 concentration is a constant battle between the different forces and sources and sinks. The 0.04% figure is an average.
So I would expect to find areas of CO2 concentration in relatively high altitudes. I would not expect the amount of CO2 at high elevations to be equal to those at lower elevations on a consistent basis. We are talking about a dynamic planet, not a laboratory.
The comparisons to Venus are ridiculous, btw. A different orbit, a different heat balance, and a different history.
TheRedneck
CO2 concentration does somewhat decrease with height, but only by a little:
Notice in this chart, that CO2 is approximately 20ppm less (Δ ~= 5%) at 80km compared to 0km (sea level). This one is from satellite measurements.
They also have sampled it with aircraft and balloon, such as this study from March 2017 using data from Jan - Mar 2000, which had a mean surface CO2 ppm of 369.81. If you examine the actual article, you will see charts that show a change in altitude versus CO2 ppm (figures 5a-d on p3869); CO2 ppm in the vertical column from 0km to above 30km differ by less than 10ppm (Δ = less than 3%).
While CO2 does favor the surface, the observations of only small vertical deviation for the vast majority of atmospheric mass supports the idea that it is very well mixed.
Can we agree that the article in the OP is complete bull# now? I mean it says idiotic things like this:
We have been lied to: Carbon dioxide (CO2) is an alleged ‘well-mixed gas’ also alleged to reside in sufficient quantities high in the atmosphere to cause global warming
Along with being wrong about CO2 "high in the atmosphere," CO2 will absorb and reemit infrared radiation all through the vertical column - that's simple physics. This absorption/reemission can happen all the way down near the surface, which it is - and that's part of the reason the stratosphere is cooling. Energy input = energy output, and the input from the Sun hasn't changed; what's changed is the distribution of energy nearer to the surface, which changes the temperature of the atmospheric layers to increase at the surface but decrease higher in the atmosphere.
originally posted by: Vector99
a reply to: liejunkie01
A simple look at the planet Venus debunks your entire thread, sorry.
originally posted by: jrod
a reply to: SRPrime
Wrong. Dupont's patent on Freon was up so they lobbied to demonize it and retake control of the market with their new 'safe' product...
However radiative forcing is a valid scientific concept. CO2 causesit....it does not violate tge rules of physics...it is an example of the rules in play.
CO2 traps heat in the atmosphere. If you disagree then explain why Venus is hotter than Mercury.
They still make R-22 now, even DuPont -- they can only sell it to the government
originally posted by: SRPrime
originally posted by: jrod
a reply to: SRPrime
Wrong. Dupont's patent on Freon was up so they lobbied to demonize it and retake control of the market with their new 'safe' product...
However radiative forcing is a valid scientific concept. CO2 causesit....it does not violate tge rules of physics...it is an example of the rules in play.
CO2 traps heat in the atmosphere. If you disagree then explain why Venus is hotter than Mercury.
You don't comprehend what you read, do you?
C02 can't output more energy than it absorbs, that was the claim that was made. C02 doesn't WARM anything. There is no science to suggest C02 warms anything.
Insulating is not warming. Trapping heat and creating heat are two completely different things, and regardless, you can't compare earth to Venus, when Venus is made of 96% C02, and we are 75% nitrogen. Warming is creating heat. C02 doesn't create heat.
DuPont didn't lobby against R-22 because they lost exclusivity to the patent, that doesn't even make sense. EPA did it for profit. DuPont could have continued to produce R-22 even though the patent was open. In fact -- it's not like DuPont is the only company that makes R-22 alternatives or conversion kits. R-22 is still the best refrigerant, why would DuPont want to not make it anymore when R-134a patents aren't exclusive to DuPont?
The E.P.A. cashed in on "Ozone" fear mongering by forcing reclamation on R-22. Reclamation devices cost a lot of money and basically killed the profit margin on heating and cooling. Roll out the next refrigerant that is "Ozone safe" to avoid reclamation.
They still make R-22 now, even DuPont -- they can only sell it to the government, however.
originally posted by: Outlier13
a reply to: bloodymarvelous
EPICA ice core data measured ground level CO2...not atmospheric. You prove the point CO2 levels were higher in the past with your statement about fossil fuels. I'm assuming you understand how crude oil is formed? How exactly do you think such unimaginable levels of plant and animal life existed if not for substantially higher atmospheric CO2 levels?
I'm assuming you understand the one of the primary ingredients to nearly all life on Earth is CO2...right? More CO2 means more life. 300 PPM atmospheric CO2 levels contribute to a 30% increase in plant life and a 50% increase in woody plants. Imagine how high the CO2 levels were before the dinosaurs and during the dinosaurs. Then an extinction level event occurs.
The Earth undergoes a massive 75% extinction level event where sunlight doesn't hit the Earth's surface for nearly 2 years and and life rebounds yet somehow man is going to destroy the Earth by hitting the throttle on their SUV?
Ok.
originally posted by: rickymouse
originally posted by: peter vlar
a reply to: rickymouse
If cookin and eating more bacon or French fries will help the earth then I am alltoo happy to do my part to save her!
We have to do our part to save the world right
originally posted by: Vector99
a reply to: liejunkie01
A simple look at the planet Venus debunks your entire thread, sorry.
originally posted by: SRPrime
originally posted by: jrod
a reply to: SRPrime
Wrong. Dupont's patent on Freon was up so they lobbied to demonize it and retake control of the market with their new 'safe' product...
However radiative forcing is a valid scientific concept. CO2 causesit....it does not violate tge rules of physics...it is an example of the rules in play.
CO2 traps heat in the atmosphere. If you disagree then explain why Venus is hotter than Mercury.
You don't comprehend what you read, do you?
C02 can't output more energy than it absorbs, that was the claim that was made. C02 doesn't WARM anything. There is no science to suggest C02 warms anything.
Insulating is not warming. Trapping heat and creating heat are two completely different things, and regardless, you can't compare earth to Venus, when Venus is made of 96% C02, and we are 75% nitrogen. Warming is creating heat. C02 doesn't create heat.
originally posted by: Outlier13
How is it these thousands of "climate scientists" are able to make supposedly remarkable predictions on the future of our global weather patterns based off of the false narrative of man-made global warming yet none of them can predict local weather patterns with any level of accuracy past 3 days?
A week out and you might as well be throwing darts at a weather board in the dark. Yet somehow these same scientists expect us to believe they can predict GLOBAL weather patterns years and decades out? Laughable.
originally posted by: Outlier13
A 9.3 mile wide asteroid / comet / meteor hits our planet, kills 75% of all vegetable and animal life and in the 227 years man has been burning fossil fuels we are somehow going to cause mass destruction and the death of our planet?
originally posted by: Greven
The premise that because CO2 is heavier than O2 and N2 it will cluster at the bottom should be obviously wrong because you are still alive. There were 3192.627 gigatonnes of atmospheric CO2 in July of this year, which if it were all at the surface displacing O2 and N2, would smother all terrestrial life in several meters of pure CO2.
Venus's atmosphere is similar to that of Earth before life developed photosynthesis. It may have been the reduction of carbon dioxide in favor of nitrogen and oxygen that lowered our global temperature.
First, I did not say that photosynthesis created the nitrogen
Oxygen is highly reactive, and is more likely to be found bonding to other elements, especially carbon, due to its multiple bonding opportunities.
It is not a question of returning Earth's atmosphere to pre-life conditions by "overloading" it. It is a question of releasing enough of the biologically sequestered carbon into the atmosphere through oxidation to increase Earth's heat retention enough to raise the overall heat content by a few degrees, not hundreds.