Saturday, April 15, 2017
On "Global Warming: Science or Dogma?"
I have submitted the following comment to an article, "Global Warming: Science or Dogma" on the American Thinker site, in response to other comments there which hew to the dogma that there is a CO2 (carbon dioxide) greenhouse effect in the atmosphere:
Those scientists who think they are experts in talking about CO2 absorption of radiation from the planetary surface are over-educated and mis-educated. The point that any such "experts" need to understand is that such absorption is just one pathway by which heat is transferred from the surface of the planet to outer space. Heat is transferred not just by radiation, but by conduction and convection, and it is a BULK, macroscopic process, not a molecular, much less quantum, process. What governs the global mean surface temperature (and that at any other pressure level in the lower atmosphere, the troposphere) is the weight of the atmosphere above any level, pressing down on that level: Overall, the pressure at any level is due to the weight of the atmosphere above that level; this is called the hydrostatic condition, as it is the same condition in a static column of water. The global mean temperature has nothing at all to do with CO2 or any other constituent of the atmosphere, it is controlled, essentially, solely by the hydrostatic condition, the height (or total mass) of the atmosphere, and the intensity of incident solar radiation. The atmosphere is not even warmed by the heated planetary surface, on the global scale (uneven surface heating only drives the transient WEATHER patterns over the globe, not the global mean temperature) as all of the "experts" have been miseducated to believe, but by direct absorption of incident solar radiation and downward transfer of heat by CONDUCTION (not radiation at all, note), as strictly enforced by the hydrostatic condition (that means it happens very fast, through uncounted molecular collisions), so CO2 absorption of long wavelength radiation from the surface is doubly irrelevant. No "expert", on either side of the climate debate/war, wants to have anything to do with that explanation, it is too alien to the accepted dogma. But the real, true science is simple and easy, not complicated and contrived. This is why I have continually written, "There is no valid global climate science, and no competent climate scientists", ever since my Venus/Earth temperatures comparison of November 2010. There is NO global-warming "greenhouse effect".