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To: cogitator
"I couldn't follow that explanation, but the point is the world is a huge carbon sink."

Yep, it is.

Thanks for the pic, but I was refering to the DOE agency explanation for the numbers. I don't need help with biology or chemistry. The latter was my undergraduate major.

Human activity was responsible for 14 parts of the 100 ppm increase in CO2. Simultaneous human population gains were quite large since 1850.

24 posted on 02/10/2009 10:16:48 PM PST by neverdem (Xin loi minh oi)
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To: neverdem
Human activity was responsible for 14 parts of the 100 ppm increase in CO2. Simultaneous human population gains were quite large since 1850.

Wrong. Human activity is responsible for ALL of the 100 ppm increase. (Actually, it's more like 80 ppm.) That's the whole point of the carbon sink we're discussing. Were it note for human activities, atmospheric CO2 would be decreasing.

The fact that CO2 from anthropogenic sources and CO2 from natural sources (and sinks) mix in the atmosphere does not change that fact. I've used the bathtub analogy before, but: imagine filling your bathtub to the brim, then pulling the drain plug and then adjusting the water flow from the spigot such that the water level remains exactly constant. Subsequently start adding water a cup at a time about once a minute.

What'll happen to the water in the tub? And what's causing that effect?

25 posted on 02/12/2009 9:27:09 PM PST by cogitator
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