[adsi] Re: [them] Arctic ice cap oscillations have happened before
- From: Milton Scritsmier <Milton_Scritsmier@xxxxxxxxxxxxxx>
- To: adsi@xxxxxxxxxxxxx
- Date: Fri, 16 Nov 2007 17:50:02 -0700
How often do you actually watch Fox News? Or did before you gave up on them?
But that's why I included the JPL link since I figured you wouldn't give
Fox any credibility. :-)
Ken Schmahl, P.E. wrote:
> Fox news! Well, I won't have to read the article then to believe 'em.
>
> Sorry, but Fox has lost its credibility. I'll have to go back to the
> original studies to get the truth on this.
>
> To be clear, I'm bitter about Fox News, and not you Milt.
> ks
>
>
> On 11/16/07, *Milton Scritsmier* <Milton_Scritsmier@xxxxxxxxxxxxxx
> <mailto:Milton_Scritsmier@xxxxxxxxxxxxxx>> wrote:
>
> Once again, scientific results are coming in showing that the
> interaction between the climate and mankind is not nearly so
> simple as "An Inconvenient Truth" would have us believe. This
> time it has to do with the shrinking of the arctic ice cap over
> the last few decades (and by the way, how often do you hear
> that the antarctic ice cap is now at a maximum?). According to
> two independent scientific studies, it appears that the arctic
> ice cap has gone through rapid periods of shrinking and
> expanding over at least the last few hundred years, well before
> mankind had any real effect on the climate.
>
> For a quick overview of the first study, here is what Fox News
> Channel's "Grapevine" on "Special Report with Brit Hume" had to
> say:
>
> ===
>
> What NASA Says Is Really Happening to the Arctic Ice Cap
>
> Friday, November 16, 2007
>
> By Brit Hume
> Fox News Channel
>
> Perfectly Natural
>
> Many global warming activists point to changes in the arctic
> icecap as proof of the dangerous effects of man-made global
> warming. Now a report from NASA's Jet Propulsion Laboratory
> says those changes are in fact the result of natural ocean
> circulation patterns. A team of scientists used satellite and
> deep-sea pressure gauge data to monitor ocean patterns.
>
> Says team leader James Morison of the University of
> Washington's Polar Science Center — "Our study confirms many
> changes seen in upper Arctic Ocean circulation in the 1990s
> were mostly decadal in nature, rather than trends caused by
> global warming."
>
> ===
>
> The "Grapevine" report does leave out that Dr. Morison believes
> that mankind-induced global warming is accelerating the
> oscillations in the arctic ice cap. The JPL news release on Dr.
> Morison's findings is at
>
> http://www.jpl.nasa.gov/news/news.cfm?release=2007-131
>
> Significantly, another independent study also shows that the
> arctic ice cap has gone through rapid oscillations. Dr. Simon
> Belt and his team from the University of Plymouth in England
> looked for a particular lipid produced by an algae that can
> only live in sea ice. As this lipid is produced, it drifts down
> to the ocean bottom and becomes embedded in the sediment. As
> the sediment builds up over time, the amount of this lipid in
> each layer of the sediment gives an indication of the amount of
> algae at that time, and hence the amount of sea ice. By
> collecting various "sediment cores" and measuring the lipid,
> Dr. Belt and his team have found that the arctic ice cap has
> varied greatly in the last several hundred years. Dr. Belt
> believes that mankind's recent changes to the environment may
> be making it harder for arctic ice to recover from its latest
> retreat. But he also notes that "Significantly, periods of sea
> ice cover frequently coincide with dramatic changes to human
> populations due to famines and illnesses." In other words,
> whether or not mankind is changing the climate, the climate
> still has had a powerful effect on mankind.
>
> A good article about Dr. Belt's research can be found at
>
> http://news.bbc.co.uk/2/hi/science/nature/7044808.stm
>
> If you get HDNet on satellite or cable, check out this week's
> "Dan Rather Reports" entitled "A Crack in the Ice". There's an
> interview with Dr. Belt on the research vessel where he did his
> study discussing his results and showing his team collecting
> and analyzing sediment.
>
>
>
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