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I'm no expert in radiative equilibrium, but I'll try to address the
questions that were raised by my post:
Bob LaMontagne wrote:
A further refinement would recognize the importance of=20
convection in the lower atmosphere. The average temperature=20
profile in the lower atmosphere is exactly that followed by a=20
parcel of air warmed by contact with the Earth's surface and=20
then rises adiabatically through the troposphere. That has to=20
be more than just coincidence.
Actually, the average temperature profile in the lower atmosphere is
about 6.5 K/km (according to the US Standard Atmosphere) whereas the
temperature profile due to adiabatic cooling (assuming vertical balan=
ce
and no latent heating) is about 10 K/km.