Serial Corrections of Errors
PS. I speak as someone who has publicly got this wrong more times than most
Posted by: Gavin | September 4, 2011 1:51 PM
Why does the stratosphere cool under GW?
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This is explained in both Hartmann – Global Physical Climatology – page 332, and in Rapierre’s Principles of Planetary Climate – page 215. CO2 increases absorptivity and emissivity in the infrared, but most stratospheric heating comes for ozone absorption of solar UV, where CO2 has almost no absorptivity, and so total energy absorption is only slightly increased. In contrast, at stratospheric temperatures, emission is almost entirely in the IR, and so the CO2 increase substantially increases emission at those temperatures. Because CO2 increases emission (a predominantly IR phenomenon) more than absorption (a mostly UV phenomenon), the temperature declines until a new equilibrium is reached at a lower temperature. (Note that the role of ozone here is a separate phenomenon from the cooling effect of a decline in ozone concentrations.)
Excellent post. It reminds us that real scientists admit and correct their mistakes. Can you match their honesty?
ok, Steve, you’ve gone way too far this time.
This is some of the most un-professional behavior that I have encountered in over 40 years of a professional career.
I’ve actually seen worse, but not by much.
btw, how did you manage to conveniently miss this post.
[…] Over here, Steve Easterbrook said: Excellent post. It reminds us that real scientists admit and correct their mistakes. Can you match their honesty? […]
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