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Gary Novak

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A Ridiculous 33°C

 
The number one claim produced by nonscientists, particularly bureaucratic authorities, is that greenhouse gases supposedly heated the planet by 33°C. This number, or a description of it, is at the top of nearly every web site on the dangers of "climate change," which nearly every state and local government maintains. The derivation of this number is disgusting; yet it is repeated by some Ph.Ds.

The reason why this is so important is because this claim convinces nonscientists that global warming is occurring and killing the polar bears. Until nonscientists can get beyond this idiocy, they can't be told anything more about global warming.

The fraud of it is the assumption that radiation is the only way heat gets into the atmosphere. Most heat gets into the atmosphere through conduction, convection and evaporation, not radiation. Climatologists lie about the numbers, but they don't usually miss the conduction and evaporation.

heating

The conduction and evaporation must at least reduce the 33°C to a smaller number. Additional factors make it a lot smaller number, even for most climatologists.

But the problem is not just the size of the number, the problem is that there is a lot more to the subject than nonscientists assume, but they have no reason to consider any of it, when 33°C tells them the whole story. This is why almost nothing else is mentioned on government web sites. Once you see the 33°C, there is nothing more you need to know about global warming.
 
The sun puts an average of 235 watts per square meter of energy onto the earth. The Stefan-Boltzmann constant says matter emits this amount of radiation at a temperature of -18°C. But with an atmosphere the global average temperature near the earth's surface is 15°C, which is 33°C higher. Therefore, greenhouse gases supposedly heated the earth by 33°C.

They missed the conduction, convection and evaporation which heat the atmosphere without greenhouse gases influencing the result. No real scientists could miss the conduction, convection and evaporation. But a few supposed scientists feed this error to nonscientists as their most convincing point.

Here's how this subject is explained on the web site of the Union of Concerned Scientists (removed later). It says this:

The "greenhouse effect" refers to the natural phenomenon that keeps the Earth in a temperature range that allows life to flourish. The sun's enormous energy warms the Earth's surface and its atmosphere. As this energy radiates back toward space as heat, a portion is absorbed by a delicate balance of heat-trapping gases in the atmosphere —among them carbon dioxide and methane—which creates an insulating layer. With the temperature control of the greenhouse effect, the Earth has an average surface temperature of 59°F (15°C). Without it, the average surface temperature would be 0°F (-18°C),---

Scientists have concluded that human activities are contributing to global warming by adding large amounts of heat-trapping gases to the atmosphere.---we release carbon dioxide and other heat-trapping gases into the air. link (See FAQ #1)

Were greenhouse gases allowing the Cambrian Explosion of Life to occur 543 million years ago when there was 20 times as much CO2 in the air? If so, humans must be doing wonders for life. What is delicate about 20 times as much when modern photosynthesis evolved?

(Green is my comment.)

When they say the atmosphere would be 59°F (33°C) colder without trace gases, they are missing the conduction, convection and evaporation which heats the atmosphere.

The difference between the present average global temperature (15°C) and the temperature with no atmosphere (-18°C) is 33°C, all of which is assumed to be due to greenhouse gases by some persons.

 
           
 
gbwm