Friday, December 29, 2017

CO2 Science (2)-Proof is in the pudding! Impossible Modern Marvels

Exhibit two for Pruitt's 'Red team Blue team Challenge' is a followup to United States Air Forces intensive atmospheric studies during the 1950s to 1970s, namely a list of many of the subsequent modern marvels that would have been impossible without scientists having achieved an exquisitely accurate understanding of greenhouse gas behaviour throughout our atmospheric column.

This was written to supplement the previous review of USA' atmospheric research and to explain why a layperson should feel very comfortable trusting, heck believing, scientists and their atmospheric studies.  

I must add that this post is an interesting sort of one way collaborative effort.  You see, over the years I've communicated with a number of scientists and grads.  Asking straight forward questions and often receiving informative replies.  I try not to over do my welcome, after all these are very busy professionals with more important things to do. Still, for this post I sent a grand shout out to a number of my correspondence pals and received more responses than I expected including some informative surprises for me. I have taken great liberty slicing and dicing their contributions. Rewriting some, leaving other quotes untouched and giving all of it some order.

I mention this because I want to be clear the following List of "  CO2 science dependent" modern marvels is not my own cleverness and I send a big Thank You! out to my informed anonymous heroes!  

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The increase in atmospheric concentration of CO2 since preindustrial times is a given. Appreciate that the radiative physics of greenhouse gases are very well-understood.

Consider heat seeking missiles flying through different altitudes searching for a heat source who's signature is changing with altitude.  In order to program the computer, the programmer must know how to accurately compensate for the changing signature.  It requires a complete knowledge of the radiative properties of all the gases throughout the atmosphere, or all that hardware is for naught.

{Incidentally, there is not one contrarian "theory" or challenge to the physics that hasn't been looked at by informed individuals.  You'll find that contrarian errors, omissions, and falsifications have been clearly explained.  
Don't believe me, look at this outline for yourself: 

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* Weather satellites that can image heat and moisture and wind's effects into comprehensible images.
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* Precipitable water. Contrast brightness temperatures measured via oxygen emissions and via H2O emissions to back calculate how much water is present.
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* Heat seeking air to air missiles, they would not function if those guidence computers didn't have a complete description of how heat moves through the atmosphere.
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*  Lasers wouldn't work if we had radiative physics wrong.
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* Early-Warning satellites.  How are they going to distinguish between a missile launch from lightning, over Siberia?  Better look at IR in DETAIL!   (There's much more)
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Spectroscopic Databases such as HiTran and Geisa have military origins. Going back to WWII and the desire to do Night Bombing better. Then this continued during research programs in the 50's & 60's, with a lot of it through the Cambridge Research Laboratory.
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The program ModTran that is an example of a narrow band Radiative Transfer Code, for calculating radiative transfer. Half the patents for this are held by the Pentagon. The company that develops it - Spectral Sciences Inc - does so under license to the United States Air Force.

For 20 years developments to ModTran were signed off by the Commandant of the USAF GeoPhysics Laboratory, Hanscom AFB, Ma. These days it is the responsibility of the Commandant, the USAF Laboratory, Kirtland AFB, NM.
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*  The detection of specific chemicals in the atmospheres of exoplanets: 
By modeling the gases at high pressures, you can produce an expected absorption for infrared from the planet and compare the model to the spectra recorded by the Spitzer space telescope
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*Spectroscopy includes measurement of absorption of IR wavelengths
eg measurement of CO2 levels in the atmosphere and ice cores relies on IR absorption. (that would make using ice core records to "prove" GHE doesn't exists amusing)

"Each sample has a volume of 4~6 cm3. CO2 concentration was measured with IR tunable diode laser spectroscopy, scanning a single vibrational-rotational absorption line."  https://nsidc.org/data/docs/agdc/nsidc0202_wahlen/
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*  And it's not just physics of the standard GH gases.
  • Microwave emissions of oxygen molecules gives us satellite temperature sensing of the atmosphere.
  • Nitrogen - Nitrogen collisions form part of the basis of the GH effect on places like Saturn's moon Titan.
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*  Getting out of the IR range, but the Dobson spectrophotometer designed in 1924 to measure ozone (and the standard instrument for doing so, for many years) is based on the application of Beers Law. Using two close wavelengths that differ mainly in their O3 absorption coefficients, total column O3 is determined by the difference in transmission (sun view).

Careful selection of wavelengths allows measurement of many atmospheric gases.
IR instruments for CO2 and H2O are off-the-shelf items.
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But wait, there's more . . .
Check out this power point for a complete review of what scientists understand, it's first class - perhaps the best summation for nonscientists I've seen:

Greenhouse Gas and Climate Science Measurements
The SIM Metrology School October 28 – November 1, 2013

James Whetstone
Special Assistant to the Director for Greenhouse Gas Measurements
National Institute of Standards and Technology, USA

Outline
• The Sun and The Earth–Protection Mechanisms for Life on the Surface
• Properties of Earth’s Atmosphere–Earth’s energy budget and greenhouse mechanisms – Greenhouses
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The Atmospheric Propagation and Effect department focuses on laser applications in the open atmosphere. Main topics are the use of laser radiation over long distances, such as optical energy transmission (laser power beaming, laser-based air defence) and the remote detection of pollutants and hazardous substances.

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Liebowitz, Ruth P.   |   Hanscom Air Force Base Geophysics Laboratory. 
Bedford, Massachusetts

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The Rise and Fall of Air Force Cambridge Research Laboratories.
Edward E. Altshuler  |  January 2, 2013. 
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History of Australian research into Airborne Laser weapons systems
HIGH ENERGY LASER WEAPONS 
Australian Aviation & Defense Review
by Carlo Kopp, December, 1981
http://www.ausairpower.net/AADR-HEL-Dec-81.html
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A quick review of "CO2 science"


You've probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it? 

Lieven Scheire uses a rainbow, a light bulb and a bit of quantum physics to describe the science behind global warming. 

More detailed understanding requires dedicating yourself to some serious study and homework:

"Global Warming - Understanding the Forecast."  Professor David Archer
http://forecast.uchicago.edu/lectures.html
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PS. dreaming of some curious engaged students or elders  ~ 
please copy this list, share and improve.  
I keep wishing someone with more time and a deeper understanding would use this list as a spring board for a more comprehend review of this topic. 



Turn this info into a prime time project, rather than this quaint little home study job.


CC

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