Iodine Monoxide and the Relations to Sea Ice - Congrex
Iodine Monoxide and the Relations to Sea Ice - Congrex
Iodine Monoxide and the Relations to Sea Ice - Congrex
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The importance of iodine compounds<br />
<strong>Iodine</strong> radicals in <strong>the</strong> atmosphere<br />
� Change of tropospheric composition / oxodizing capacity<br />
- destruction of ozone<br />
- partitioning of HO x <strong>and</strong> NO x<br />
� Formation of fine new particles � growth <strong>to</strong> CCN<br />
<strong>Iodine</strong><br />
Precursors<br />
(mainly<br />
biogenic?)<br />
I 2<br />
CH 3I<br />
CH 2I 2<br />
CH 2ICl<br />
hn<br />
O 2<br />
I . O3 IO<br />
different branches<br />
IO observed in coastal areas, marine boundary layer, Polar sites<br />
Anja.Schoenhardt@iup.physik.uni-bremen.de<br />
SOLAS-ESA-EGU conference<br />
Frascati, 29 Nov – 2 Dec 2011<br />
2<br />
I xO y<br />
Halogens<br />
Fluorine<br />
Chlorine<br />
Bromine<br />
<strong>Iodine</strong><br />
Astatine<br />
McFiggans et al,<br />
ACP, 2004.<br />
with typical amounts 0-10 pptv (>20 pptv only sporadically)
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