Climate “Science” on Trial; The Forensic Files: Exhibit L

Exhibit L: Doubling CO2 has NO MEASURABLE IMPACT on the lower atmosphere temperature, none


The main data sources used to support the AGW Theory are ground level surface and ocean thermometers. There are all sorts of problems with this approach such as the “Urban Heat Island Effect,” and the non-transparent process of “adjustments.” Those issues aside, once again, the warming has to be tied to CO2 and trapping outgoing radiation between 13 and 18 microns. Fortunately, NASA has a program to define and answer many climate-related questions. MODTRAN is a wonderful tool to use when discussing global warming with a climate alarmist, it will save you countless headaches.

Talking Points:

  1. Looking down from 1 km (the atmospheric layer where all thermometers are located) the Upward IR Flux when CO2 if 400 ppm is 407.572 W/M^2.
  2. Ceteris paribus, doubling CO2 to 800 ppm results in an  Upward IR Flux of 407.572 W/M^2.
  3. According to MODTRAN, doubling CO2 has no measurable impact on the energy balance is the lower 1 km of the atmosphere that contains all the ground/surface/ocean temperature measurements. The net change to the energy balance is 0.000 W/M^2.
  4. Changing the water vapor scale from 0 to 1 decreases the outgoing radiation from 415.422 W/M^2 to 407.572 W/M^2, demonstrating that H2O has a much greater impact on the troposphere than CO2. Where there is water vapor in the atmosphere there is heat. The same can not be said about CO2.h2o-and-temperature-cross
  5. Adding a simple stratus cloud base will change it to 396.896 W/M^2, in other words, when clouds and water vapor are considered, CO2 becomes irrelevant.
  6. For the entire atmosphere (looking down from 70 km), changing CO2 from pre-industrial 280 ppm to the current 400 ppm changed the Upward IR Flux from 282.600 to 280.999 W/M^2, or less than 2 W/M^2 throughout the entire atmosphere. A simple cloud layer alters the balance by over 10 W/M^2.
  7. Doing exercises with MODTRAN is another lesson plan every high-school class should do, and MODTRAN is a great tool to use for science fair projects. It is kind of hard for a climate alarmist to win an argument when they are arguing against a NASA calculator.
  8. The relationship between CO2 and climate is not one-to-one



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