EGU General Assembly 2007
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  Oral Programme - BG5.03 Application of stable isotopes in biogeosciences (co-listed in IG)

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Convener: Böttcher, M.
Co-Convener: Bouillon, S., Buchmann, N.

Wednesday, 18 April 2007

Lecture Room: Lecture Room 19

Chairperson: BOUILLON, S.

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8:30 - 8:45
EGU2007-A-04524;  BG5.03-1WE1O-001
Mutterlose, J.; Rexfort, A.
Mesozoic belemnites re-visited: the limitations of a single approach

8:45 - 9:00
EGU2007-A-09685;  BG5.03-1WE1O-002
Wynn, J; Bird, M
13C-natural abundance of soil organic carbon decomposition shows a significant difference in decomposition rates of C3- and C4-derived organic matter in mixed C3/C4 soils

9:00 - 9:15
EGU2007-A-06377;  BG5.03-1WE1O-003
Sebilo, M.; Billen, G.; Mayer, B.; Mariotti, A.
The role of the organic matter pool of agricultural soils in nitrate pollution : A multi-isotopic approach

9:15 - 9:30
EGU2007-A-06545;  BG5.03-1WE1O-004
Stelzer, S; Richnow, R; Nijenhuis, N
Lines of Evidence for anaerobic MCB Degradation in contaminated Groundwater based on Stable Isotope Tools

9:30 - 9:45
EGU2007-A-09694;  BG5.03-1WE1O-005
Mayer, B.; Shanley, J. B.; Bailey, S. W.; Mitchell, M. J.
Identifying sources of streamwater sulfate after a summer drought in the Sleepers River watershed (Vermont, USA) using hydrological, chemical, and isotope approaches

9:45 - 10:00
EGU2007-A-03767;  BG5.03-1WE1O-006
Mangalo, M.; Meckenstock, R.U. ; Stichler, W. ; Einsiedl, F.
Stable isotope fractionation during bacterial sulfate reduction is governed by reoxidation of intermediates


Chairperson: BÖTTCHER, M.E.

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10:30 - 10:45
EGU2007-A-03135;  BG5.03-1WE2O-001
Krull, E.S.; Baldock, J.A.; Douglas, G.; Lamontagne, S.; McKirdy, D.M.
Variable sources of organic matter in Australian estuaries: Can isotopes alone solve the problem?

10:45 - 11:00
EGU2007-A-03482;  BG5.03-1WE2O-002
Daehnke, K.; Bahlmann, E.; Schlarbaum, T.; Emeis, K.
Changes in biogeochemical processes in the Elbe estuary – assessment by means of stable nitrate isotopes

11:00 - 11:15
EGU2007-A-07986;  BG5.03-1WE2O-003
Wilkes, H.; Vieth, A.; Elias, R.
Assessment of biogeochemical processes in petroleum systems using the carbon and hydrogen isotopic composition of hydrocarbons

11:15 - 11:30
EGU2007-A-03441;  BG5.03-1WE2O-004
Heuser, A.; Eisenhauer, A.
From isotope geochemistry to isotope biochemistry: A case study on the use of Calcium isotopes in human urine as an indicator of bone demineralization

11:30 - 11:45
EGU2007-A-02509;  BG5.03-1WE2O-005
Baggs, EM; Wrage, N; Mair, L
Stable isotope techniques for N2O source partitioning: Recent advances and future challenges

11:45 - 12:00
EGU2007-A-01400;  BG5.03-1WE2O-006
Lehmann, M.F.; Bourbonnais, A.; Butterfield, D.A.
Nitrate N and O isotope anomalies in diffuse hydrothermal vent fluids


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