James Annan wrote:
> crandles wrote:
> > OHSCA appears to be some sort of parameter or switch in a Hadley centre
> > Hadcm3L model.
>
> Looks like it's something to do with the behaviour of hydroxyl radicals
> in the atmosphere, but beyond that I haven't a clue.
>
That makes sense because one of the key steps in the oxidation of SO2
is SO2 + OH --> HOSO2
followed by O2+ HOSO2 --> HO2 + SO3. The HO2 cycles back to OH. See
http://rabett.blogspot.com/2006/10/svensmark-stumbles-into-smog-chamber.html
for some more details.
If you don't have OH you can't make sulfate/phate areosols.
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