A fascinating new paper by Nasif Nahle, scientist, University Professor and Director of Scientific Research Division at Biology Cabinet Mexico, “determination of the Total Emissivity of a Mixture of Gases Containing 5% of Water Vapor and .039% of Carbon Dioxide at Overlapping Absorption Bands“, has shown that CO2 when added to the atmosphere actually acts as a coolant. So much for man-made global warming.
The conclusion of the experiment is according to the paper:
The general conclusion is that by adding any gas with total emissivity/absorptivity lower than the total emissivity/absorptivity of the main absorber/emitter in the mixture of gases makes that the total emissivity/absorptivity of the mixture of gases decreases.
Bottom line CO2, Carbon Dioxide , has a lower emissivity/absorptivity than the primary absorber,emitter which is water vapor. Therefore, Carbon Dioxide acts as a coolant not as a greenhouse gas. Who knew? Apparently you can write off that list the 97% of consensus scientists that the IPCC claims support man-made global warming.
Catastrophic Alarmist Global warming is dead!!!
Kirt,
I’m having a problem downloading some pdf documents so I can’t at the moment access the Nahle paper you reference. He apparently begins with a 50,000 ppm H2O and 390 ppm CO2 and I assume he made it ppmv rather than by weight (it makes a big difference).
Anyway, if he increased the CO2 greatly in the experimental sequence it would have demonstrated a dilution effect and would, indeed, decrease the absorption and subsequent emission of the H2O and thus the mixture. I’m not so sure that the effect within a gas cell in an IR spectrophotometer would accurately parallel the situation in the open atmosphere.
Looking at the simultaneous spectra of CO2 and H2O one can readily see that the two CO2 absorption bands in the IR are very narrow amounting essentially to just one particular wavelength in each case and both are exclusively vibrational modes. The H2O response is in one very broad region with a typical vibrational-rotational spectrum and another band apparently composed of two or maybe three adjacent vibrational peaks making that region about three times as broad as either of the CO2 bands. I would eyeball the areas under the peaks, which represents the total absorption of the two constituents of interest to be about 10:1 of H2O: CO2. Of course, that’s with equal concentrations.
In a faculty seminar about two decades ago I showed that the atmospheric “molar spectral energy equivalent” (a term I invented. It didn’t catch on) ratio of water to increased (1870 to 1990) CO2 was about 96,000: 60, i.e., 1600: 1. That’s potentially the additional heat energy from so-called “excess” CO2. If it were all to result in temperature increase (it doesn’t, for many reasons), I calculated that to be between 0.18 and 0.36 centigrade degrees.
Bill
For those that found this from “Now we know why CO2 peaks before temperature” You may have wondered…. Yes I had a senior moment and reversed the two events. I went back to the original intent of the article without my backwards analysis. My appologies. I woke up the morning after and ran to the computer to change it but the cat was out of the bag.
Kirt Griffin