By Paul Homewood
Re-posted from American Thinker:
“The temperature of the Earth” is an ambiguous term that cannot mean anything.
At any given time, it is possible to measure the temperature of some very small part of the Earth, such as, perhaps, a shot glass of water.
At that same moment, other temperatures of the Earth that could be measured will show a variation from the temperature of molten rock (1,300 to 2,200°F) to polar ice (32 to -76°F).
Daily variation of the same place on Earth can be 50 to 60°F. Seasonal variation can be well over 100°F in high latitudes.
Conceptually, we could imagine, but not actually measure, every possible place and thing, at every possible time through all the seasons, and then average these data.
To detect “global warming,” we would have to modify these data to include the specific heat of everything measured, as well as the latent heat of all the things that change phase such as water, which appears as a liquid, vapor, and ice.
Conceptually, yes; actually, no. Not possible.
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March 3, 2020 at 03:48AM
Iowa Climate Science Education 