NovaScience :- Climate Change Indicators in the United States Report

I left the following comment at http://novascience.wordpress.com/2010/08/04/climate-change-indicators-in-the-united-states-report/#comment-333

“Selected News” thats for sure, perhaps they should strive for “Balanced News”

“Your second picture shows industry venting what is probably water vapour into the atmosphere.(CO2 is invisible)
If its one thing that scientist agree on it is that water in gaseous form is the most powerful greenhouse gas, yet you do not mention this in your article.
Do you get the feeling that something is missing here?

Cheers

Roger

http://www.rogerfromnewzealand.wordpress.com

This comment and your answer is also posted under your title and url on http://www.globalwarmingsupporter.wordpress.com

In full PDF water vapor is mentioned:

“Water vapor is the most abundant greenhouse gas in the atmosphere. Human activities produce only a very small increase in water vapor primarily through irrigation and combustion processes, and so it is not included in this indicator. However, the surface warming caused by human-produced increases in other greenhouse gases leads to an increase in atmospheric water vapor, because a warmer climate increases evaporation and allows the atmosphere to hold more moisture. This creates a “feedback loop” that can lead to more warming.” (page 16)

mmmm..

 2 C8H18 + 25 O2 ~> 16 CO2 + 18 H2O   A close example for gasoline.

or more typical like this one for propane

   2 C3H8  + 7 O2 = 2 C + 2CO + 8 H2O + 2 CO2
Get the point?

Cheers

Roger

Your question was about water vapor.

  • rogerthesurf / Aug 9 2010 5:19 pm

    You are kidding me right? Can you not see the water vapour in the above equations?

    Reply

     

    • NovaScience / Aug 9 2010 7:30 pm

      Your question was: “If its one thing that scientist agree on it is that water in gaseous form is the most powerful greenhouse gas, yet you do not mention this in your article.”

      I have answered your question.

      In full PDF water vapor is mentioned:

      “Water vapor is the most abundant greenhouse gas in the atmosphere. Human activities produce only a very small increase in water vapor primarily through irrigation and combustion processes, and so it is not included in this indicator. However, the surface warming caused by human-produced increases in other greenhouse gases leads to an increase in atmospheric water vapor, because a warmer climate increases evaporation and allows the atmosphere to hold more moisture. This creates a “feedback loop” that can lead to more warming.” (page 16)

 

Forgive me if am too subtle.

“Water vapor is the most abundant greenhouse gas in the atmosphere. Human activities produce only a very small increase in water vapor primarily through irrigation and combustion processes”

I was asking you how you justify the above statement when it is apparent from the equations I gave you that there is considerably more water vapour than carbon dioxide produced by the combustion process, yet water vapour is the more powerful and already the more abundant greenhouse gas.

Perhaps we are trying to reduce the wrong emission?

Cheers

Roger

 

 

 

NovaScience / Aug 10 2010 7:30 pm

Perhaps we are trying to reduce the wrong emission?

Increased amount of water vapor is a consequence. The primary driver of it is the increase in CO2 caused by the burning of fossil fuels.

Get the feeling that this guy is a kind of parrot?

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