date: Tue Jul 15 13:35:46 2008
from: Tim Osborn <t.osborn@uea.ac.uk>
subject: Re: FW: FW: Fundametal analysis of the effect of CO2
to: "Sheppard Sylv Miss \(SCI\)" <Sylvia.Sheppard@uea.ac.uk>

   No.  But googling piers forster leeds comes up with:
   piers@env.leeds.ac.uk
   Tim
   At 13:23 15/07/2008, you wrote:

     Hi Tim
     See email below from Phil. Do you have Piers' email address please?
     Thanks
     Sylv
     -----Original Message-----
     From: P.Jones@uea.ac.uk [[1]mailto:P.Jones@uea.ac.uk]
     Sent: Tuesday, July 15, 2008 1:10 PM
     To: Sheppard Sylv Miss (SCI)
     Subject: Re: FW: Fundametal analysis of the effect of CO2
     >
      Sylvia,
        Forward this to Piers Forster of Leeds.
      Tim will have his email.
      Cheers
      phil
     >
     > -----Original Message-----
     > From: John Nicol [[2]mailto:jonicol@netspace.net.au]
     > Sent: Sunday, July 13, 2008 11:48 AM
     > To: Sheppard Sylv Miss (SCI)
     > Subject: Fundametal analysis of the effect of CO2
     >
     >
     >
     >
     > Dear Sylvia,
     >
     > I read through your publication list some time ago and was
     > disappointed not to find any reference to a direct analysis of the
     > radiation absorption and energy distribution characteristics of CO2
     > and other greenhouse gases in the atmosphere, which, as I understand
     > the problem, is the very basis of the "Greenhouse effect".
     >
     > I am interested personally in studying this process and have written a
     > simple draft of a potential paper which attempts to derive directly
     > and quantitatively the physical effect of the 15 micron band of carbon
     > dioxide in absorbing IR radiation from the earth and distributing the
     > absorbed energy to the atmosphere through intermolecular collisions.
     > Account is also taken of the effects of collisional line broadening of
     > the components of this most significant band in determining the
     > absorption in regions across the full spectrum of a ~300 degrees K
     > surface radiation from the earth (~1 to 50 microns).  I have recently
     > made similar calculations for the other bands at 2.7 and 4.3 microns
     > to be combined with the effects of the 15 micron and included cut-offs
     > for the collision broadening to account for restriction to higher
     > energies for effective broadening collisions at large frequency shifts
     > - i.e. in the far wings of the lines.  These latest changes are not
     > included in the current draft which I attach for the interest of
     > people working in your centre or others of whom they may be aware
     > would have worked in this field of spectroscopy.
     >
     > Unfortunately, the results of these calculations seem to show that
     > over the 10 km path from the earth surface to the top of the
     > atmosphere
     > (tropopause) almost all of the earth's radiation is absorbed and most
     of
     > it at very low altitudes, where the radiation is converted to kinetic
     > energy of the many gaseous components of air and is therefore carried
     > upwards by convection, providing very little back radiation to warm
     the
     > surface beyond what would arise from a much lower concentration of
     > greenhouse gas.  This seems to imply that increases in carbon dioxide
     > concentrations in the atmosphere will have no effect at all in
     > increasing the earth's temperature.  I realise that this goes against
     > conventional wisdom and would be very loath to attempt to publish the
     > final paper without its being further carefully analysed by another
     > competent physicist familiar with molecular spectroscopy.  I have
     > already discussed it with other physicists and it has been open to
     > viewers on the web for about two months but the only responses to it
     are
     > in agreement with its findings. There appear to be no papers in the
     > literature, as yet, or at least which I can find, which I can find,
     > which confirm or dispute the results obtained here, although papers in
     > which the absorption characteristics of the wings of the lines and of
     > the basic collisional line broadening of them which is crucial to this
     > analysis, are consistent with its conclusions.
     >
     > I would appreciate your comments or those of colleagues, should you
     > have the time to peruse it. Thank you,
     > John Nicol
     > jonicol@netspace.net.au
     > jonicol@bigpond.com
     > Ph:    07 4663 7793
     > Fax:07 4663 7713
     > Mob: 0409 761 503
     > "If you allow me four free parameters I can build a mathematical model
     > that describes exactly everything that an elephant can do. If you
     > allow me a fifth free parameter, the model I build will forecast that
     > the elephant will fly."
     >  von Neumann - mathematical physicist.
     >
     > 'Today is the first day of the rest of your life. But so was
     > yesterday, and look how you messed that up.' "A man has made at least
     > a start on discovering the meaning of human life when he plants shade
     > trees under which he knows full well he will never sit."
     >
     > Life in this world consists of a multiplicity of fragments which are
     > brought together over time to complete a complex collage, a work of
     > art which we all admire.  Some of the individual pieces may not be to
     > our taste, but may totally define the life of others.
     >
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