Quote:
Originally Posted by tuccillo
OK, a teaching moment. Basically, heat is transferred by convection, conduction, and radiation. A blanket traps heat by reducing convective and conductive losses. A greenhouse stays warm by reducing the convective loss of the heat gained from solar radiation. CO2 in the atmosphere reduces the net longwave radiative loss to space. There can also be positive feedbacks such as a warmer atmosphere can hold more water vapor and therefore have more clouds which will further reduce longwave radiative losses to space but also can reduce incoming shortwave radiation. It gets complicated and, yes, there are lots of equations and we write lots of code to solve those equations. However, the equations are based on first principals, laboratory work, and field studies to collect data.
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Thanks, OK I can follow that. Maybe instead of a "blanket", the better analogy of the "shroud" (?) in the upper atmosphere would be something like a reflective net that has gotten out of balance and is reflecting more longwave radiation (heat) back to earth while blocking more or less short wave radiation from the sun.
......Basically from my layman's perspective, I have READ that the OVERALL results are a PREDICTION that the earth will be warming for the next 30 years. Now, however, it is your analysis that there will be manmade heating, but it will or may be inconsequential in degree. I stated that Dr Doom believes in your 3rd outcome of excessive heat. I imagine that Dr.Doom has access to expert opinions and information that I do NOT. It would be nice to know upon WHAT he bases HIS conclusion???????