Fossil fuel CO2 estimation by atmospheric 14C measurement and CO2 mixing ratios in the city of Debrecen, Hungary

Mihály Molnár, István Major, L. Haszpra, Ivo Světlík, Éva Svingor, Mihály Veres

Research output: Contribution to journalArticle

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Abstract

A field unit was installed in the city of Debrecen (East Hungary) during the summer of 2008 to monitor urban atmospheric fossil fuel CO2. To establish a reference level simultaneous CO2 sampling has been carried out at a rural site (Hegyhátsál) in Western Hungary. Using the Hungarian background 14CO2 observations from the rural site atmospheric fossil fuel CO2 component for the city of Debrecen was reported in a regional "Hungarian" scale. A well visible fossil fuel CO2 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 CO2 during Octobers of 2008 and 2009 was also detected. Stable isotope results are in agreement with the 14C based fossil fuel CO2 observations as the winter of 2008 and 2009 was different in atmospheric δ13C variations too. The more negative δ13C of atmospheric CO2 in the winter of 2008 means more fossil carbon in the atmosphere than during the winter of 2009.

Original languageEnglish
Pages (from-to)471-476
Number of pages6
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume286
Issue number2
DOIs
Publication statusPublished - Nov 2010

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Fossil Fuels
Hungary
Fossil fuels
Atmosphere
Isotopes
Carbon
Air
Sampling

Keywords

  • Atmosphere
  • Fossil CO
  • Radiocarbon

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Pollution
  • Health, Toxicology and Mutagenesis
  • Nuclear Energy and Engineering
  • Analytical Chemistry

Cite this

Fossil fuel CO2 estimation by atmospheric 14C measurement and CO2 mixing ratios in the city of Debrecen, Hungary. / Molnár, Mihály; Major, István; Haszpra, L.; Světlík, Ivo; Svingor, Éva; Veres, Mihály.

In: Journal of Radioanalytical and Nuclear Chemistry, Vol. 286, No. 2, 11.2010, p. 471-476.

Research output: Contribution to journalArticle

Molnár, Mihály ; Major, István ; Haszpra, L. ; Světlík, Ivo ; Svingor, Éva ; Veres, Mihály. / Fossil fuel CO2 estimation by atmospheric 14C measurement and CO2 mixing ratios in the city of Debrecen, Hungary. In: Journal of Radioanalytical and Nuclear Chemistry. 2010 ; Vol. 286, No. 2. pp. 471-476.
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