Fossil fuel CO estimation by atmospheric C measurement and CO mixing ratios in the city of Debrecen, Hungary

Molnár, Mihály; Major, István; Haszpra, László; Svĕtlík, Ivo; Svingor, Éva; Veres, Mihály
November 2010
Journal of Radioanalytical & Nuclear Chemistry;Nov2010, Vol. 286 Issue 2, p471
Academic Journal
field unit was installed in the city of Debrecen (East Hungary) during the summer of 2008 to monitor urban atmospheric fossil fuel CO. To establish a reference level simultaneous CO sampling has been carried out at a rural site (Hegyhátsál) in Western Hungary. Using the Hungarian background CO observations from the rural site atmospheric fossil fuel CO component for the city of Debrecen was reported in a regional 'Hungarian' scale. A well visible fossil fuel CO peak (10-15 ppm) with a maximum in the middle of winter 2008 (January) was observed in Debrecen air. Significant local maximum (~20 ppm) in fossil fuel CO during Octobers of 2008 and 2009 was also detected. Stable isotope results are in agreement with the C based fossil fuel CO observations as the winter of 2008 and 2009 was different in atmospheric δC variations too. The more negative δC of atmospheric CO in the winter of 2008 means more fossil carbon in the atmosphere than during the winter of 2009.


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