Date: Mon Feb 18 14:28:54 2008 Back to Contents

Author: Richard Berg

Subject: Re: rationalization for trash burning

Post:
See:

http://www.globalwarmingart.com/wiki/Image:Atmospheric_Transmission_png

Seems like it must be:

Water vapor
..lots of space..
Carbon dioxide
Methane
and so forth

Dick
On Mon, 18 Feb 2008, Paul Nord wrote:

> Well... technically, it's probably third behind #1 water vapor, and #2 CO2.
> But there's probably little we can do about the H2O gas. There's less
> methane than CO2. Human sources (coal mines and cow farts) haven't changed
> the atmospheric methane concentration too much. I think that purely on the
> basis of reputation, methane ranks number two.
>
> And... you'll be kicking yourselves for this... no one seems to have gotten
> the joke. ;-)
>
> Paul
>
> On Feb 18, 2008, at 11:58 AM, Rick Tarara wrote:
>
>> In which sense--is it the 2nd highest concentration or is it the molecule
>> the second strongest absorber of infrared or is it the second overall
>> absorber of infrared? The effect on global warming depends on which of
>> these is meant. Only the last of my three choices would qualify it as
>> number two--IMO.
>>
>> Rick
>>
>>
>> ----- Original Message ----- From: "Richard Berg"
>>
>>
>>>
>>> "Methane - it's the number two greenhouse gas."
>>> Lisa Neef - research scientist, Danish Meteorological Institute
>>>
>>>
>>> Next to water vapor, I presume?
>>>
>>> Dick
>>>
>>
>
>

***********************************************************************
Dr. Richard E. Berg, Professor of the Practice
Director, Physics Lecture-Demonstration Facility
U.S. mail address:
Department of Physics
University of Maryland
College Park, MD 20742-4111
Phone: (301) 405-5994
FAX: (301) 314-9525
e-mail reberg@umd.edu
www.physics.umd.edu/lecdem
***********************************************************************

From tap-l-owner@lists.ncsu.edu Mon Feb 18 14:28:54 2008

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