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Publisher © Czech Geological Survey, ISSN: 2336-5757 (online), 0514-8057 (print)

Carbon isotopic composition of methane emissions in the Czech Republic

 

František Bůzek, Vlastimil Holub

Geoscience Research Reports 33, 2000 (GRR for 1999), pages 111–112

Full text (PDF, 0.11 MB)

 

Abstract

Coal-bed methane forms more than half of anthropogenic methane emissions in the Czech Republic. To specify important sources of the methane emissions we have measured carbon isotopic composition of their sources. The study includes pipeline gas, emissions from bituminous and brown coals and from some peat bogs. The d 13C values of methane vary from -20 ů/m (Permocarbonifcrous in Central Bohemia) to -75 °/qq (biogenic gas in the Czech part of the Upper Silesian Coal Basin). Methane from this area originates from two sources: a thermogenic gas with the 6 nC values to -40 "/(x, and a biogenic gas with the 513C values in the range of -55 to -75 °/qq.