Carbon monoxide

CAS RN: 630-08-0

Environmental Fate

ATMOSPHERIC FATE: A photochemical model was used to quantify the sensitivity of the tropospheric oxidants ozone (O3) and OH to changes in methane (CH4), carbon monoxide (CO), and NO emissions and to perturbations in climate and stratospheric chemistry. In most cases, incr CH4 and CO emissions will suppress OH (neg coefficients) in incr O3 (pos coefficients) except in areas where NO and O3 influenced by pollution are sufficient to incr OH. In most regions, NO, CO, and CH4 emission incr will suppress OH and incr O3, but these trends may be opposed by stratospheric O3 depletion and climate change.
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