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originally posted by: SubSea
a reply to: Nidwin
Then explain why CO2 levels in the distant past were much higher when the temperatures were colder. CO2 is automatically seen to be the culprit because it is "convenient" to do so.
It is the Sun that controls the climate on Earth and what it is doing now is going to head up deadlong into another full blown ice ace.
originally posted by: raymundoko
That's why your posts all come across like they were written by a teenager.
c No single lifetime can be defined for CO2 because of the different rates of uptake by different removal processes.
1 The start of the growth in CO2 concentration coincides with the start of the industrial revolution, hence anthropogenic;
2 Increase in CO2 concentration over the long term almost exactly correlates with cumulative anthropogenic emissions, hence anthropogenic;
3 Annual CO2 concentration growth is less than Annual CO2 emissions, hence anthropogenic;
4 Declining C14 ratio indicates the source is very old, hence fossil fuel or volcanic (ie, not oceanic outgassing or a recent biological source);
5 Declining C13 ratio indicates a biological source, hence not volcanic;
6 Declining O2 concentration indicate combustion, hence not volcanic;
7 Partial pressure of CO2 in the ocean is increasing, hence not oceanic outgassing;
8 Measured CO2 emissions from all (surface and beneath the sea) volcanoes are one-hundredth of anthropogenic CO2 emissions; hence not volcanic;
9 Known changes in biomass too small by a factor of 10, hence not deforestation; and
10 Known changes of CO2 concentration with temperature are too small by a factor of 10, hence not ocean outgassing.