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Ozone hole goes large again

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Re: Ozone hole goes large again

#31
post #12

Earlier quoted context omitted.

This will make skin cancers slightly more prevalent in southern latitudes but I can’t see any other changes that aren’t marginal. It isn’t great but we are not “fucked” by any means.

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Re: Ozone hole goes large again

#35
post #6

Earlier quoted context omitted.

“The eruption of the Hunga Tonga volcano in January 2022 injected a lot of water vapour into the stratosphere which only reached the south polar regions after the end of the 2022 ozone hole. “The water vapour could have led to the heightened formation of polar stratospheric clouds, where chlorofluorocarbons (CFCs) can react and accelerate ozone depletion. The presence of water vapour may also contribute to the coolin…

Funny that article doesn't mention https://research.noaa.gov/2022/03/09/two-additional-regions-... Were they just asleep?

It does take many years (in the timeframe of decades) for CFCs and other ozone depleting molecules to reach a point where they do damage as it’s heavier than air. 2010 was only 13-14 years ago at this point and those gasses have mostly not made it up that high yet. We won’t know the full scale of the damage that this has done for another 5-15 years.

What we are seeing now is a separate event that had likely originated with excessive, high-altitude water vapor being blasted into the sky due to volcanic activity.

Re: Ozone hole goes large again

#39

Wasn't there a story about satellite imagery detecting massive CFC releases in China from expandable foam? Edit: found one... https://www.theguardian.com/world/2019/may/23/china-factorie...

China, behind the surface, is very anarchic, bejing can make rules all it wants but the local government beyond surface placation won't honor the spirit and restart production of all kind of stuff. Which is fascinating, cause as soon as party rule is threatened, that very same principle ceases to apply.
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