Space/Science — HabitableZone

Space/Science » in reply to Nonetheless...

re: Nonetheless...
gbaikie — (archived)

Yeah ok, but what do you think of "Eighty percent of the heat radiated back from the surface is absorbed in the first 30 feet by water vapor".

I never heard of this before.
Do you think this wrong or is this basically accurate?

If correct, it seem a related question assuming there was no water vapor how many feet would required for CO2 in atmosphere to radiated 80 percent?
This would give a different story about Mars- though the Mars' atmosphere is thin it has a comparable amount of CO2 as Earth. So if say 20,000' of CO2 atmosphere radiates as much or more that the first 30' of earth atmosphere, would that indicate that significantly adding more atmosphere on Mars would not significantly increase the global temperature- therefore terraforming or past warmer conditions would not be possible.

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