Where The Temperature Rules The Sun

Watts Up With That?

I’ve held for a long time that there is a regulatory mechanism in the tropics that keeps the earth’s temperature within very narrow bounds on average (e.g. ± 0.3°C over the 20th Century). This mechanism is the timing and amount of the daily emergence of the cumulus cloud field, and the timing and emergence of thunderstorms.

Now, the current paradigm is that the sun rules the temperature, and our daily experience seems to bear that out. When the amount of sun reaching the surface goes up, the temperature goes up. This has led to the claim that the temperature must perforce follow the forcing in a linear fashion. For those interested in the math, the claim is that changes in temperature are equal to changes in forcing times a constant called the “climate sensitivity”. And much energy has been wasted trying to determine the value of that constant.

Despite hundreds…

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