ozone depletion (1 Viewer)

[za]

y does ozone decrease over the antarctic and not over more polluted areas such as the U.S and china?

 

[Xayma]

Normally cholrine is removed from the reaction with Methane according to the following:

Cl_(g) + CH_{4 (g)} ----> HCl_g +CH₃

Or through the reaction of ClO with NO₂ (similar reaction).

However Antartica is well seperated from land (unlike the Artic) this plus polar winds seperate it preventing the circulation of air during winter (due to no convection currents heating the air forcing it to circulate).

On solid ice particles the HCl split up (which they normally do not but do due to the ice acting as a catalyst). So when spring sunlight helps circulate the air again you have an excess of Cl atoms which contribute to the degredation of ozone, these are often used up by mid spring so the hole repairs itself.

 

[za]

i heard something about that but wasnt sure if it was true.
thnx mate

 

[mr EaZy]

i heard something about that but wasnt sure if it was true.
thnx mate

yeah, also, read up on that NASA research project of 1987, that was meant to find the cause