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More global warming pettifoggery

Posted by Richard on February 17, 2010

Roger Pielke, Jr., pointed out two conflicting claims, made less than a year apart, regarding "climate change" and fog:

National Geographic reports yesterday:

Declining fog cover on California's coast could leave the state's famous redwoods high and dry, a new study says.

Among the tallest and longest-lived trees on Earth, redwoods depend on summertime's moisture-rich fog to replenish their water reserves.

But climate change may be reducing this crucial fog cover. Though still poorly understood, climate change may be contributing to a decline in a high-pressure climatic system that usually "pinches itself" against the coast, creating fog, said study co-author James Johnstone, an environmental scientist at the University of California, Berkeley.

Last summer the San Francisco Chronicle carried a story about research on fog and climate with a different conclusion:

The Bay Area just had its foggiest May in 50 years. And thanks to global warming, it's about to get even foggier.

That's the conclusion of several state researchers, whose soon-to-be-published study predicts that even with average temperatures on the rise, the mercury won't be soaring everywhere.

"There'll be winners and losers," says Robert Bornstein, a meteorology professor at San Jose State University. "Global warming is warming the interior part of California, but it leads to a reverse reaction of more fog along the coast."

The study, which will appear in the journal Climate, is the latest to argue that colder summers are indeed in store for parts of the Bay Area.

More fog is consistent with predictions of climate change. Less fog is consistent with predictions of climate change. I wonder if the same amount of fog is also "consistent with" such predictions? I bet so.

More fog or less, more snow or less, more drought or less, more acne or less — whatever is currently happening is, to the true believer, evidence of anthropogenic global warming (a.k.a. "climate change").

If you don't believe me, check this list.

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