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| Roger Coppock... |
 Posted: Wed Nov 04, 2009 4:33 pm |
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Guest
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On Nov 3, 1:16 pm, Catoni <caton... at (no spam) sympatico.ca> in a thread
titled "Missing CO2 Greenhouse Signatures. Something Else Causing
Warming." wrote:
[quote]It's not us that has caused the warming over the last 150 years.
(Some of us actually believe that it is natural for the world to warm
up some as we come out of the Little Ice Age.)
The atmospheric signature for AGW is MISSING. IT'S NOT EVEN
THERE ! ! ! !
Something else caused the warming. And something else is causing
the bit of cooling that we have been having the last few years.
[/quote]
=-=-=-=-=-
This poor confused soul needs some enlightenment.
He, and everyone else who contributed to this thread,
very clearly do not know what they are talking about.
What are the "CO2 Greenhouse Signatures?" A brief tutorial
In the scientific literature, the phrase "CO2 Greenhouse Signatures"
refer to this paragraph from the 1896 paper by Arrhenius.
Arrhenius, Prof. Svante. "On the Influence of Carbonic Acid
in the Air upon the Temperature of the Ground." The London,
Edinburgh, and Dublin Philosophical Magazine and Journal
of Science 5th Series. Vol. 41. No. 251. April 1896: pp. 237-276.
(Google "Arrhenius" the net has many copies of the paper available.)
"A glance at this Table shows that the influence is nearly the same
over the whole Earth. The influence has a minimum near the equator,
and increases from this to a flat maximum that lies the further from
the equator the higher the quantity of carbonic acid in the air. For
K=0.67 the maximum effect lies about the 40th parallel, for K=1.5 on
the 50TH, for K=2 on the 60th and for K-values [concentrations of
carbonic acid] above the 70th parallel. The influence is in general
greater in the winter than in the summer, except in the case of the
parts that lie between the maximum and the pole. The influence will
also be greater the higher the value of í [1 - albedo], that is in
general somewhat greater for land than for ocean. On account of the
nebulosity of the Southern hemisphere, the effect will be less there
than in the Northern hemisphere. An increase in the quantity of
carbonic acid will of course diminish the difference in temperature
between day and night. A very important secondary elevation of the
effect will be produced in those places that alter their albedo by the
extension or regression of the snow-covering (see p. 257), and this
secondary effect will probably remove the maximum effect from lower
parallels to the neighborhood of the poles."
The above is a list of the "CO2 fingerprints." It is very important
to note that,
"EVERY ONE THESE CENTURY OLD PREDICTIONS, EVERY 'FINGERPRINT' IS NOW
OBSERVED. |
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