Monday, February 15, 2010

Less Fog in California Could Stress Redwoods

Significantly less fog is drifting in along the Pacific Coast these days, a new study finds. The shift force a decline in redwood trees, which rely on the fog to keep them supplied with water during the arid summer months.
Read More at Live Science.

7 comments:

  1. http://www.pnas.org/content/107/7.toc

    I went to the link above and read through the table of contents. Which one of the studies is the article refering to?

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  2. Since 1901, the average number of hours of fog along the coast in summer has dropped from 56 percent to 42 percent, which is a loss of about three hours per day," said study leader James A. Johnstone, who conducted the research while working on his Ph.D. at the University of California, Berkeley, and is now at the University of Washington in Seattle.

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  3. That's nice information but I would like to see the actual study. I meailed the article's author for more information. If I hear back, i'll pass along the a link to the pdf on the Journal's website.

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  4. Avoid the term "global warming." I prefer the term "global weirding," because that is what actually happens as global temperatures rise and the climate changes. The weather gets weird. The hots are expected to get hotter, the wets wetter, the dries drier and the most violent storms more numerous.

    The fact that it has snowed like crazy in Washington--while it has rained at the Winter Olympics in Canada, while Australia is having a record 13-year drought--is right in line with what every major study on climate change predicts: The weather will get weird; some areas will get more precipitation than ever; others will become drier than ever.

    Blogger Jim Hoft notes a pair of news stories that illustrate why this is the case. From the San Francisco Chronicle, July 6, 2009:

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

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  5. And from London's Daily Telegraph, Feb. 15, 2010:

    Fog Over San Francisco Thins by a Third Due to Climate Change
    The sight of Golden Gate Bridge towering above the fog will become increasing rare as climate change warms San Francisco bay, scientists have found.
    See, it works either way! More fog? It's global weirding, man! Less fog? Also global weirding! What if the amount of fog stays exactly the same? Well, how weird would that be!
    LOL

    http://online.wsj.com/article/SB10001424052748703444804575071572660623374.html?mod=WSJ_Opinion_MIDDLETopOpinion

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  6. Good one Rose. True, global weirding is a better description.

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  7. The studies should be interesting, because recent measurements show that old growth redwoods have been growing more wood the past decades than the previous century.

    It would be no surprise if less fog affects reproduction of seedings and overall height of redwoods more so than bulk. In other words, some deviation of the range, but not a climate onslaught.

    MDV

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