Centre for Atmospheric Chemistry

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Methane emission measurements in urban areas in eastern Germany
(Springer Verlag, 1996) Shorter, J.H.; McManus, J.B.; Kolb, C.E.; Allwine, E.J.; Lamb, B.K.; Mosher, B.W.; Harriss, R.C.; Parchatka, U.; Fischer, H.; Harris, G.W.; Crutzen, P.J.; Karbach, H.J.
We have investigated methane emissions from urban sources in the former East Germany using innovative measurement techniques including a mobile real-time methane instrument and tracer release experiments. Anthropogenic and biogenic sources were studied with the emphasis on methane emissions from gas system sources, including urban distribution facilities and a production plant. Methane fluxes from pressure regulating stations ranged from 0.006 to 24. l/min. Emissions from diffuse sources in urban areas were also measured with concentration maps and whole city flux experiments. The area fluxes of the two towns studied were 0.37 and 1.9 g/m2/s. The emissions from individual gas system stations and total town emissions of this study are comparable to results of similar sites examined in the United States.