tag:blogger.com,1999:blog-1500584444083499721.post8497481534815209993..comments2024-03-24T09:28:42.755+01:00Comments on CJ on Mathematics and Science: Unphysical Basis of CO2 Alarmism = HoaxClaes Johnsonhttp://www.blogger.com/profile/07411413338950388898noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1500584444083499721.post-30652379750267975442017-02-05T18:31:48.290+01:002017-02-05T18:31:48.290+01:00In a post by Dr. Roy W. Spencer at his blog:
The W...In a post by Dr. Roy W. Spencer at his blog:<br />The Warm Earth: Greenhouse Effect, or Atmospheric Pressure? <br />http://www.drroyspencer.com/2016/07/the-warm-earth-greenhouse-effect-or-atmospheric-pressure/ <br />I gave the following comment:<br />---------------<br />"<br />I agree with most of what you have written in this post Dr. Spencer, but I have problems with a few statements, and I quote:<br />“So, cold objects can actually make warm objects even warmer still!”<br />In my opinion, not if you only considers the two plates you use as an EXAMPLE. However, as you also write, the colder plate affects the “energy LOSS” of the warmer plate, i.e. the cooling rate of the warmer plate.<br />Now, if you have a constant energy transmitting heat source (e.g. an electrical heater or the sun) heating the warmer plate, then the temperature of the warmer plate will increase because the colder plate reduces the cooling rate of the warmer plate. So the radiation from the cold plate does not directly heat the warmer plate, but only indirectly if there is a heat source in the system (a third object).<br />All objects with a temperature emit infrared radiation (IR), so why doesn’t the radiation from the cold to the warm heat the warm? Because the radiation from the cold towards the warm is annihilated by the opposite warm radiation with the same frequencies, and thus also reducing the effective cooling radiation from the warm object. The cold plate acts as insulation.<br />In the sun – atmosphere - earth system, the atm is the colder plate, acting as insulation, and if the insulation effect increases, the earth’s temperature will go up.<br />I accept Tyndall’s conclusion that CO2 is a heat trapping gas, absorbing some IR and converting this to heat of the CO2 molecule and surroundings. But, why isn’t CO2 used in windows? Tests have showed that CO2 isn’t so efficient after all. Some more CO2 in the atm should make the atm warmer. This “hot spot” has not been observed. A warmer atm should reduce the cooling rate from the earth surface, and thus cause global warming/AGW. <br />But hellooooo, what is the insulation effect of 100 ppm more CO2 in the atm since before the industrial age, or the 15 ppm observed as “man-made”?<br />100 ppm more CO2 will be as increasing the insulation of a house by 100 ppm more thickness of mineral wool, and this will be impossible to detect. Also you, Dr. Spencer, has tried to measure the effect of increased CO2 in the atm, and according to your book “The Great Global Warming Blunder”, you have not been able to detect any effect of CO2 on global temperature.<br />The effect of CO2 is miniscule compared to the other processes that determine the global temp. (sun, gravity, atm composition, convection etc.). Forget AGW. It is the largest scientific scandal of history (larger than the Piltdown man).<br />I also don’t like the term “greenhouse effect” since the atm is anything but a convection blocking greenhouse. I would prefer the term “atmospheric effect”, including the gravity effect etc. However, CO2 makes the earth green, so may be it can be some truth in it.<br />"<br />---------------------<br />Dr. Spencer didn't object to my comment, so I understands that we agree.<br />Prof. Johnson; I understand that my view and comment also agrees with Your view, implicating that Dr. Spencer actually shares Your view.<br />Prof. Johnson; Your comment to this is highly appreciated. P. Tuvneshttps://www.blogger.com/profile/01317185038067784642noreply@blogger.com