Pollution and it's effects on hurricanes.

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webke
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Pollution and it's effects on hurricanes.

#1 Postby webke » Wed May 31, 2006 12:41 pm

Here is a new theory that showed up on Fox News webpage.

http://www.foxnews.com/story/0,2933,197662,00.html
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#2 Postby x-y-no » Wed May 31, 2006 1:12 pm

Hmmm ...

It's an interesting idea, but were our pollution emissions really that much lower in the 30's to 50's when we had a high level of Atlantic activity? I can see that they might have been substantially lower during the depression, but once we ramped up for WW2, I'd think our industrial pollution levels would have gone way up ...
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#3 Postby gtalum » Wed May 31, 2006 1:16 pm

Actually, with today's clean industries, I agree with x-y-no. Pollution emissions are far lower today than they were in the 1930's, and probably even during the Depression.
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#4 Postby x-y-no » Wed May 31, 2006 1:25 pm

gtalum wrote:Actually, with today's clean industries, I agree with x-y-no. Pollution emissions are far lower today than they were in the 1930's, and probably even during the Depression.


Well that part would be consistant with the paper's claim - they're saying the reduction in aerosols means that there's more surface warming in the tropics now that there was decades ago and hence more activity.

My question is about the previous active period. I'm not convinced that aerosols were significantly lower then than they were in the 60s and 70s. And this hypothesis seems to hinge on that factual issue.
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