Not exact matches
Hypothesis A — Because the atmospheric
radiation is completely absorbed in the first few
microns it will cause evaporation of the
surface layer, which takes away the energy
from the back
radiation as latent heat into the atmosphere.
15
micron radiation is emitted
from all the earth's
surface.
CO2 molecules are incapable of absorbing any
radiation above the 15
micron band
from the earth's
surface.
In Earth's atmosphere, there is a «window» between the 8 and 12
micron band where there is virtually no absorption going on, and through which IR
radiation passes out
from the
surface to space virtually unimpeded.
What you find is that in the region between 8 and 14
microns the equivalent
radiation temperature is the
surface temeprature of earth (which means the
radiation comes
from the
surface — nothing else is warm enough) whereas at the GHG absorption wavelengths the equivalent
radiation temperature is that of the tropopause.
Because the atmospheric
radiation is completely absorbed in the first few
microns it will cause evaporation of the
surface layer, which takes away the energy
from the back
radiation as latent heat into the atmosphere.