EGU General Assembly 2008
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  Oral Programme - BG1.4 Application of stable isotopes in biogeosciences (co-listed in IG)

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

Tuesday, 15 April 2008

Lecture Room: Lecture Room 20

Chairperson: BÖTTCHER, M.E., BOUILLON, S.

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10:30 - 10:45
EGU2008-A-06346;  BG1.4-1TU2O-001
Koeniger, P.; Marshall, J.D.
Stable isotopes used as artificial tracers of snow melt infiltration and plant water uptake

10:45 - 11:00
EGU2008-A-11470;  BG1.4-1TU2O-002
Siegwolf, R.; Kayler, Z.; Reynolds, Ch.; Saurer, M.
Leaf water 18O enrichment is controlled by stomatal conductance, ambient vapor pressure and oxygen isotope ratio of water vapor

11:00 - 11:15
EGU2008-A-03845;  BG1.4-1TU2O-003
Kress, A; Saurer, M; Siegwolf, R; Bugmann, H
The Role of Climate and Larch Budmoth Outbreaks reflected in δ13C- and δ18O-Signatures of an Alpine Tree-Ring Chronology

11:15 - 11:30
EGU2008-A-05198;  BG1.4-1TU2O-004
Kromdijk, J.; Albanito, F.; Fitton, N.; Lanigan, G.; Finnan, J.; Carroll, F.; Jones, M.; Schepers, H.E.; Griffiths, H.
Is CO2-uptake by C4-Grass Canopies limited by Leakage of CO2 from Bundle Sheath Cells?

11:30 - 11:45
EGU2008-A-01697;  BG1.4-1TU2O-005
Steinbeiss, S.; Temperton, V. M.; Gleixner, G.
Mechanisms of short-term soil carbon storage in experimental grasslands

11:45 - 12:00
EGU2008-A-09563;  BG1.4-1TU2O-006
Mangelsdorf, K.; Wohlfahrt, K. ; Kämpf, H.; Pfanz, H.
Investigation of the impact of degassing geogenic CO2 on the grass Deschampsia cespitosa in a mofette area


Chairperson: BÖTTCHER, M.E., BOUILLON, S.

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13:30 - 13:45
EGU2008-A-06551;  BG1.4-1TU3O-001
Chapligin, B.; Meyer, H.; Marent, A.; Friedrichsen, H.; Hubberten, H.-W.
Oxygen isotopes of diatom silica from El’gygytgyn Crater Lake, NE Russia - Analyses using a remotely-operated laser-fluorination based mass spectrometry unit

13:45 - 14:00
EGU2008-A-01368;  BG1.4-1TU3O-002
Mansfeldt, T.; Schulte, U.; Weihmann , J.
Stable Carbon (12/13C) and Nitrogen (14/15N) isotopes as a tool for identifying the sources of cyanide in wastes and contaminated soils

14:00 - 14:15
EGU2008-A-09360;  BG1.4-1TU3O-003
Woulds, C.; Andersson, J. H.; Cowie, G. L.; Middelburg, J. J.; Levin, L. A.
Factors affecting the short-term fate of organic carbon in marine sediments: evidence from stable isotope enrichment studies

14:15 - 14:30
EGU2008-A-05352;  BG1.4-1TU3O-004
Millo, C.; Dupraz, S.; Ader, M.; Menez, B.
Carbon isotope tracing of CO2 sequestration during CaCO3 precipitation induced by ureolytic bacteria

14:30 - 14:45
EGU2008-A-09435;  BG1.4-1TU3O-005
Mortazavi, B.; Conte, M.; Smith, M.; Chanton, J.C.; Weber, J.; Crumsey, J.; Barkman, J.
Contribution of stored carbon pools to leaf level biosynthesis and respiration as revealed by 13C labeling experiments

14:45 - 15:00
EGU2008-A-09006;  BG1.4-1TU3O-006
Gottschalk, PG; Bellarby, JB; Foereid, BF; Wattenbach, MW; Chenu, CC; Smith, JS
Evaluation of RothC at three chronosequence sites in Zimbabwe and France using 13Carbon measurement data


Chairperson: BÖTTCHER, M.E., BOUILLON, S.

Select complete timeblock
15:30 - 15:45
EGU2008-A-08077;  BG1.4-1TU4O-001
Huygens, D.; Rütting, T.; Paulino, L.; Godoy, R.; Oyarzun, C.; Van Cleemput, O. ; Templer, P.; Müller, C. ; Boeckx, P.
Refining the paradigm of N cycling in temperate rainforests in southern Chile

15:45 - 16:00
EGU2008-A-01407;  BG1.4-1TU4O-002
Sivan, O.; Sela, M.; Yaari, N.G.; Eckert, W.
The redox couplings between carbon, sulfur and iron in Lake Kinneret (Israel)

16:00 - 16:15
EGU2008-A-05937;  BG1.4-1TU4O-003
Sebilo, M.; Billen, G.; Garnier, J.; Lot, K.; Pillet, E.; Aubry, E.; Mariotti, A.
Isotopic biogeochemistry of agricultural nitrate contamination of surface water in the Seine watershed (France)

16:15 - 16:30
EGU2008-A-04756;  BG1.4-1TU4O-004
Paetsch, J.; Serna, A.; Daehnke, K.; Schlarbaum, T.; Emeis, K.-C.
Reconstruction of the Nitrogen Cycle in the German Bight/South East North Sea by means of Stable Nitrogen Isotopes in surface sediments, suspended matter and nitrate - A Model Study

16:30 - 16:45
EGU2008-A-06444;  BG1.4-1TU4O-005
Riou, V.; Colaço, A.; Bouillon, S.; Chevalier, E.; Mangion, P.; Korntheuer, M.; Connelly, D.; Khripounoff, A.; Dehairs, F.; Santos, R.S.
Assimilation of carbon and nitrogen from dissolved and particulate material in the Mid-Atlantic Ridge deep sea hydrothermal mytilid Bathymodiolus azoricus : use of stable isotopes

16:45 - 17:00
EGU2008-A-01355;  BG1.4-1TU4O-006
Schimmelmann, A
Conversion of ammonium to organic nitrogen in maturing kerogen


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