Carbon Monoxide: Residence Time in the Atmosphere

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Science  10 Oct 1969:
Vol. 166, Issue 3902, pp. 224-225
DOI: 10.1126/science.166.3902.224


A lower limit of 0.1 year for the residence time of carbon monIoxide in the atmosphere is derived from radiocarbon measurements. The action of certain microorganisms and atmospheric photochemical reactions are possible mechanisms for the removal of carbon monoxide. This value can be compared with 2.7 years, a value deduced from estimated rates of carbon monoxide production and global measurements of atmospheric concentrations of carbon monoxide.

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