tisdag 19 februari 2013

Low Emissivity of Atmospheric CO2: Hottel and Leckner

According to measurements by Hottel and Leckner the total emissivity of the Earth's atmosphere with its present concentration of 0.039% CO2 (without water vapor), can be estimated to be smaller than 0.002.

This means that out of the total outgoing long wave radiation of 240 W/m2 less than 0.5 W/m2 can attributed to CO2.

This is almost factor 10 smaller than the "radiative forcing" of 3.7 W/m2 by doubling to 0.06% from 0.03%,  which is the basis of CO2 alarmism.

This is in direct contradiction to the prediction by Modtran in the previous post of 6 W/m2 from 0.0001% CO2.

The low emissivity of low concentration CO2 reflects the extreme sparseness of its emission spectrum.

PS. More of the same here.

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