Tuesday, 21 Apr 2009 Room: 22 Chairperson: M. E. Böttcher
08:30–08:45
EGU2009-1716
D. Gövert and R. Conrad Isotope fractionation during the anaerobic consumption of acetate by methanogenic and sulfate-reducing microorganisms
08:45–09:00
EGU2009-2386 S. Hattori, H. Kimura, H. Nashimoto, K. Koba, K. Yamada, M. Shimizu, H. Watanabe, M. Yoh, and N. Yoshida Stable isotope and microbial analyses of methane-producing process in a geothermal aquifer associated with the subsurface of the accretionary prism, Japan
09:00–09:15
EGU2009-2670 A. Johannsen, H. Rust, K. Dähnke, and K. Emeis Seasonal and interannual variation of the isotopic composition of nitrate in five German rivers discharging into the North Sea
09:15–09:30
EGU2009-4547 S. Bouillon, G. Abril, A.V. Borges, F. Dehairs, H. Hughes, R. Merckx, C. Osburn, and J.J. Middelburg Distribution and cycling of carbon in the Tana River basin (Kenya)
09:30–09:45
EGU2009-5195 J.-A. Subke, H.W. Vallack, T. Magnusson, S. G. Keel, D. B. Metcalfe, P. Högberg, and P Ineson Short term dynamics of abiotic and biotic soil 13CO2 effluxes after in situ 13CO2 pulse labelling of boreal pine forest
09:45–10:00
EGU2009-5555 U. Gamnitzer, A.B. Moyes, D.R. Bowling, and H. Schnyder Modelling soil CO2 diffusion to investigate the effect of non-steady-state on isotopic composition of respired CO2
COFFEE BREAK
Chairperson: S. Bouillon
10:30–10:45
EGU2009-6991 C.F. Stange and R. Russow A triplet 15N tracer experiment to evaluate the reaction pathways of N gases in soil during the processes nitrification and denitrification
10:45–11:00
EGU2009-9821 V. Alling, C. Humborg, C.-M. Mörth, L. Rahm, and F. Pollehne Tracing terrestrial organic matter by delta34S and delta13C signatures in a subarctic estuary
11:00–11:15
EGU2009-9835 J. EL GAOUZI, M. Sebilo, V. Plagnes, P. Ribstein, and M. Zakeossian Isotopic characterization of nitrate sources in karstic springs in the basin of Paris
11:15–11:30
EGU2009-12027 C. Alewell, M. Schaub, and B. Seth Stable carbon and oxygen isotopes as an indicator for soil degradation
11:30–11:45
EGU2009-13191
p.j. maxfield, e.r.c. hornibrook, n. dildar, and r.p. evershed {Stable isotope probing of the physical and biological controls that influence the fate and isotopic composition of carbon derived from the terrestrial methane sink }
11:45–12:00
EGU2009-2237 C. W. Mueller, K. Heister, F. Hillion, A. M. Herrmann, and I. Kögel-Knabner A new insight into microscale natural organic matter dynamics - using NanoSIMS
12:00–12:15
EGU2009-9935
T. Arnold, G.J.D. Kirk, M. Wissuwa, M. Frei, F.J. Zhao, and D.J. Weiss Evidence for the mechanisms of zinc acquisition by plants using isotope discrimination
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