SSDD
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- Nov 6, 2012
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- #1,341
So I was in a conversation with one of our local crop of warmers...one who claims to grasp the science and claims to have read the literature...including the IPCC documentation...... and rather than continue to swap insults, I decided that I might try asking a couple of questions about the greenhouse effect as described by climate science.
So I grab a diagram from the University of Washington atmospheric sciences department which they say describes the mechanism of the greenhouse effect. Here it is.
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Our local warmer immediately begins to equivocate and then asks what's my point?
Well, I thought my point was pretty clear...I wanted to establish that we were on the same page to begin with...so I go out and get a few more diagrams from the atmospheric sciences department at Penn State, and Harvard, and one from no place in particular that seems to be showing the same thing. These are they.
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Again, I ask if these describe the basic mechanism of the greenhouse effect as described by climate science. And what does the pathetic wretch ask me?...again...what's my point? This guy, who claims to get the science, and claims to have read the IPCC documentation can't bring himself to say whether or not the graphs above, purported by the University of Washington, Penn State, and Harvard to describe the mechanism of the greenhouse effect actually describes the mechanism of the greenhouse effect.
Who was the pathetic wretch I was talking to?....I am sure you can guess if you like...or you can go to the conversation here and see for yourself....
The fact that this warmer was scared....or unsure enough to even say whether or not the graphics above accurately show the mechanism of the greenhouse effect as described by climate science perhaps brings up a much larger point...but that's beside the point and doesn't begin to answer the questions I have about the greenhouse effect.
So are there any warmers here on the board that might be able to look at the graphics above and say whether or not they describe the basic mechanism of the greenhouse effect as described by climate science and perhaps talk a bit about that mechanism and effect? By the way...I notice some trivial differences in the above graphics that actually show the amount of radiation moving about...those differences are irrelevant to my questions...
All of the above charts are a bit simplistic as they address only the basic mechanism and do not give meaning to any of the terms, but basically, greenhouse warming is pretty simple: does the rate of incoming heat into a system exceed its rate of release? What are the sources of incoming energy? The Sun (which varies both intrinsically slightly as well as a function of our distance and angle to it), and to a lesser degree, from the Earth itself, which includes both internal heat as well as activity from man.
What are some of the variables? The Earth's albedo, or reflectivity--- a snow covered Earth reflects more heat into space. Another factor is the opacity of the sky to wavelengths longer than about 450nm, the beginnings of the IR band. Various trace gasses such as Methane, CO2 and even water vapor all have some effect on how well the atmosphere reflects infrared energy back to the Earth.
Now the question is how does one quantify all of these factors into an accurate model of the actual Earth to derive meaningful data. The first problem is our poor understanding of all of the factors first, second, whether we can honestly or accurate quantify them. I don't see the above charts doing any of that without a great deal more information and explanation. So does your buddy Crick have the definitive answer either? I would say NO.
The simplistic models are the basis of the hypothesis and they are wrong...so it follows that if your most basic premise is wrong, everything after will be wrong as well.
Here is a very basic request regarding the greenhouse effect and if you go out and look, you will find that you can't satisfy it...I routinely ask for a single piece of observed, measured data, made with an instrument at ambient temperature that establishes a coherent link between the absorption and emission of IR by a gas and warming in the atmosphere...now, if the greenhouse effect theory has any merit at all, you would think that there would be data to support its most basic premise...but alas, there is not.
I have other very basic questions which remain unanswered as well due to a complete lack of data...climate science is all models even though the energy movement through our atmosphere is an observable, measurable, testable phenomenon....why do you suppose that is?