The anthropogenic perturbation of atmospheric CO2 and the climate system

Joos, Fortunat (2003). The anthropogenic perturbation of atmospheric CO2 and the climate system. In: Bhattacharya, S. K.; Mal, T. K.; Chakrabarti, S. (eds.) Recent Research Advances in Biotechnology and Bioengineering of CO2 Fixation 5 (pp. 1-21). Research Signpost

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Deep cuts in carbon dioxide (CO2) emissions are warranted to stabilize the concentration of atmospheric CO2. The increasing trend in CO2 emission must be reversed and, on the long-term, emissions must fall well below the present level. Global warming-carbon cycle feedbacks tend to reduce the uptake of excess carbon from the atmosphere by the land biosphere and the ocean. The climate-carbon cycle system has a long memory such that if adverse climate trends indeed materialize, they are likely to be long lasting. Unlike other anthropogenic forcing agents, anthropogenic CO2 is not destroyed by oxidation or deposition, but is redistributed between the major carbon reservoirs. The consequence is that today’s CO2 emissions will affect the atmospheric composition and climate over many millennia.

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