Nahle 2011: Repeatability of Professor Robert W. Wood’s 1909 Experiment on the Theory of the Greenhouse

In 1909 an experiment was conducted at Johns Hopkins University by Professor Robert W. Wood demonstrating that the greenhouse effect cannot cause global warming. The following researcher has repeated the experiment. Through a series of controlled experiments, the warming effect in a real greenhouse is demonstrated to not be caused by longwave infrared radiation trapped inside the greenhouse, but to the blockage of convective heat transfer with the surroundings, as proven by Professor Wood in his 1909 experiment.

Nahle, N.S. 2011. Repeatability of Professor Robert W. Wood’s 1909 Experiment on the Theory of the Greenhouse. July 5, 2011. Biology Cabinet Online-Academic Resources and Principia Scientific International. Monterrey, N.L.

Now, there appears to be three general views on the greenhouse effect. They are: (1) the greenhouse effect exists and will cause runaway warming. (2) the greenhouse effect exists but CO2 is not a significant factor in warming. (3) there is no greenhouse effect at all.

Clearly, view #1 above is not true based on the best available science. However, the scientists who support views #2 and #3 are still having spirited and vigorous exchanges.

To confuse matters further, some scientists acknowledge that what happens in the atmosphere is not exactly the same as what happens in a glassed greenhouse, but they still use the term “greenhouse effect” as a matter of convenience and tradition to refer to atmospheric warming.

Atmospheric modelers must assume the greenhouse effect occurs, that they understand how it works, that their models are accuarte representations of the actual phenomena, and that the output of their models are accurate and reliable, despite the lack of physical atmospheric measurements of the effect itself. Prior posts here and at other websites have addressed these assumptions.

Click here for the full Nahle study.

Click here for a summary by the study author.

Click here for further discussion of the significance of this study.

 

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