On Sun, Nov 10, 2013 at 8:25 PM, meekerdb <meeke...@verizon.net> wrote:
> On 11/10/2013 4:21 PM, Richard Ruquist wrote:
> Richard Lindzen from MIT is a serious academic scientist who has some
> reservations about the IPCC reports
> and is often labeled as a denier. I put my faith in his research. From
> Lindzen has expressed his concern over the validity of computer
> models<http://en.wikipedia.org/wiki/Climate_model> used
> to predict future climate change. Lindzen said that predicted warming may
> be overestimated because of inadequate handling of the climate system's water
> vapor feedback <http://en.wikipedia.org/wiki/Water_vapor_feedback>. The
> feedback due to water vapor is a major factor in determining how much
> warming would be expected to occur with increased atmospheric
> concentrations of carbon dioxide<http://en.wikipedia.org/wiki/Carbon_dioxide>.
> Lindzen said that the water vapor feedback could act to nullify future
> Except all the theory and data says that water vapor is a positive
> feedback - which is why his theory is sharply criticized. It's just
> speculative, "They might be wrong" stuff.
> "Dessler’s paper (Science, Vol. 330.,
> http://geotest.tamu.edu/userfiles/216/dessler10b.pdf) focused on
> quantifying the cloud feedback. Using the ENSO to study changing cloud
> patterns during climatic variability, he found that the feedback is likely
> positive, consistent with the feedback that climate models yield."
> Lindzen is not a climate scientist, although he's a professor of
> meteorology. He's notorious for making misleading insinuations about
> global warming, e.g.
> "This is sufficient to conclude that Lindzen did indeed make the
> mistake of confusing his temperature indices, though a more accurate
> replication would need some playing around since the exact data that
> Lindzen used is obscure.
> Thus, instead of correctly attributing the difference to the different
> methods and source data, he has jumped to the conclusion that GISS is
> manipulating the data inappropriately. At the very minimum, this is
> extremely careless, and given the gravity of the insinuation, seriously
> irresponsible. There are indeed issues with producing climate data records
> going back in time, but nothing here is remotely relevant to the actual
> Such a cavalier attitude to analysing and presenting data probably has
> some lessons for how seriously one should take Lindzen’s comments. I
> anticipate with interest Lindzen’s corrections of this in future
> presentations and his apology for misleading his audience last month.
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