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