A novel approach for independent budgeting of fossil fuel CO2 over Europe by 14CO2 observations

Details A novel approach for independent budgeting of fossil fuel CO2 over Europe by 14CO2 observations A novel approach for independent budgeting of fossil fuel CO2 over Europe by 14CO2 observations

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30wasc5l&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 23, pp. ASC 5-1, CiteID 2194, DOI 10.1029/2003GL018477

Physics

25

Atmospheric Composition And Structure: Constituent Sources And Sinks, Atmospheric Composition And Structure: Pollution-Urban And Regional (0305), Atmospheric Composition And Structure: Troposphere-Composition And Chemistry, Global Change: Impact Phenomena, Meteorology And Atmospheric Dynamics: Boundary Layer Processes

Scientific paper

Long-term atmospheric 14CO2 observations are used to quantify fossil fuel-derived CO2 concentrations at a regional polluted site, and at a continental mountain station in southwest Germany. Fossil fuel CO2 emission rates for the relevant catchment areas are obtained by applying the Radon-Tracer-Method. They compare well with statistical emissions inventories but reveal a larger seasonality than earlier assumed, thus contributing significantly to the observed CO2 seasonal cycle over Europe. Based on the present approach, emissions reductions on the order of 5-10% are detectable for catchment areas of several hundred kilometres radius, as anticipated within a five-years commitment period of the Kyoto Protocol. Still, no significant change of fossil fuel CO2 emissions is observed at the two sites over the last 16 years.

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