posted on Oct, 19 2016 @ 08:38 PM
a reply to: TheRedneck
Uh, yeah that happened. I explained that in the post; while the report dates from 1969, the data
is significantly earlier. This exceeded a
25% increase in CO2 quite considerably.
Additionally, yeah, stratospheric cooling
is thing. I'm surprised
you haven't heard of it.
The greenhouse effect works like this:
1) Radiation is emitted from the very hot Sun
2) Shortwave (mostly) radiation penetrates the atmosphere and strikes the Earth's surface.
3) The cooler Earth's surface emits longwave radiation.
4) Without the greenhouse effect, there would be a stable temperature at about 255K - but it's obviously higher.
5) Some escaping longwave radiation is intercepted and re-emitted by some atmospheric gases - these are greenhouse gases.
6) Part of the re-emitted longwave radiation is directed towards the Earth's surface; the rest can escape.
7) This effectively redistributes heat on Earth to lower elevations.
8) Now you know why it gets cooler with height
troposphere, anyway there is weirdness in the thinner atmosphere higher up) and why weather exists as we know it.
It ain't just one layer, either; outbound longwave radiation have to pass through a minefield of greenhouse gas molecules to escape. It's not just
Earth that this effect appears; the upper atmosphere of Venus is vastly cooler than Earth's.
edit on 20Wed, 19 Oct 2016 20:42:37
-0500America/ChicagovAmerica/Chicago10 by Greven because: (no reason given)