Three years of
quasi-continuous atmospheric 14CO2 observations in Heidelberg (Germany) have been used together
with continuous CO measurements to determine the CO/fossil fuel CO2
ratio in a regional polluted area. Comparison with bottom-up information on
fossil fuel CO2 and CO emissions for the respective catchment area shows
that large discrepancies (up to 60%) between inventory data and observations
exist. Therefore both, a lot of care and reliable emissions inventory data are
necessary if CO shall be used as a quantitative surrogate for fossil fuel CO2.
Author: I. Levin, U. Gamnitzer, U. Karstens, et al (ilevin at iup dot uni-heidelberg dot de)
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