The above chart shows CO2 increasing from 300 ppm in 1910 to 411 ppm today. The following chart from NASA GISS shows temperatures increasing from -0.4°C to +1.0°C today, for a total change of 1.4°C over the last 108 years. I ignore the period of 1880 to 1910 because there is no explanation of how increasing CO2 could actually cause temperatures to fall. CO2’s only known mechanism by which to affect climate change is through the thermalization of 13 to 18µ LWIR. Thermalization results in warming, that is it. “Climate Change” is a term designed to confuse the issue, allowing CO2 to continue to be the cause without ever defining a mechanism by which it can actually cause climate change in any direction other than warming.
The problem this chart faces is that it is rather linear. Temperatures increased 0.5°C between 1910 and 1940, and temperatures increased 0.5°C between 1970 and 2000. Temperatures then accelerated between 2000 and today, increasing 0.5°C in just 18 years.
Why is that a problem? Because the physics of the CO2 molecule and the GHG Effect simply don’t support CO2 causing a linear increase in temperatures, and certainly not an acceleration in temperatures. CO2 shows a logarithmic decay in its W/M^2 radiation with an increase in concentration. The MARGINAL impact of CO2 decreases with each additional molecule, much like putting multiple layers of black paint on a window. The first coat blocks most of the light, and each additional coat blocks less and less light.
Unlike climate alarmist sources that like to make definitive statements without providing any supporting documentation or methods (Click Here), we at CO2isLife like to provide readers with the tools needed to do the research in order to gain a full understanding of the issue. For this project, we will be using MODTRAN, the program NASA and the Air Force use to model the atmosphere for aerospace engineering. MODTRAN allows you to measure the change in W/M^2 of Upward IR Heat Flux generated by additional amounts of CO2.
Starting in 1910, CO2 was 300 ppm. According to MODTRAN, the Upward IR Heat Flux consistent with that level of CO2 is 299.901 W/M^2. This is our baseline.
In 1940, CO2 was 310. According to MODTRAN, the Upward IR Heat Flux consistent with that level of CO2 is 299.744 W/M^2. So 0.167 W/M^2 resulted in a 0.5°C increase in temperatures. Note how the CO2 ppm change was 10 ppm. So a change in 10 ppm CO2 resulted in a 0.5°C increase in temperatures.
Nothing regarding the physics of the CO2 molecule or the GHG Effect can explain the temperature pause between 1940 and 1970. Climate alarmists simply ignore these inconvenient observations because there are no answers that can implicate CO2.
Starting in 1970, CO2 was 325 ppm. According to MODTRAN, the Upward IR Heat Flux consistent with that level of CO2 is 299.525 W/M^2. Note how the 15 ppm increase in CO2 between 1940 and 1970 did absolutely nothing to atmospheric temperatures.
In 2000 the CO2 level was 370 ppm. According to MODTRAN, the Upward IR Heat Flux consistent with that level of CO2 is 298.897 W/M^2. So whereas 0.167 W/M^2 resulted in a 0.5°C increase in temperatures between 1910 and 1940, a 0.628 W/M^2 change between 1970 and 2000, or a change almost 4x as what occurred between 1910 and 1940, resulted in the same 0.5°C increase in temperatures. CO2 also increased 45 ppm, or 3x the increase between 1910 and 1940. How can almost 4x the trapped energy result in an identical change in temperature? Is this new Physics? Have we repealed the laws of thermodynamics?
Lastly, the current level of CO2 is 411 ppm. According to MODTRAN, the Upward IR Heat Flux consistent with that level of CO2 is 298.394 W/M^2. This is a change of 0.503 W/M^2, which is less than the 0.628 W/M^2 change between 1970 and 2000, yet the temperature change is identical. The CO2 level increase, however, was almost identical, 45 ppm vs 41 ppm.
There is nothing regarding the CO2 molecule or GHG Effect that would allow for 1) equal changes in temperatures for equal changes in CO2 ppm 2) equal changes in temperatures for different changes in W/M^2 3) periods of falling and flat temperatures or 4) a linear relationship between CO2 ppm and atmospheric temperatures. Unless we have repealed the laws of chemistry and thermodynamics, NASA’s temperature chart doesn’t implicate CO2 as the cause of the warming.
Under no circumstance can you increase CO2 and not have the W/M^2 fall (trapping heat/thermalization). In other words, an increase in CO2 can only result in warming. Climate change just a euphemism for “our model can’t explain that.” BTW, this approach also debunk’s Michael Mann’s Hockey Stick Chart.
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