EGU2009-2619 A. Rice and P. Quay The isotopic composition of formaldehyde in urban air (solicited)
14:00–14:15
EGU2009-13116
E. J. K. Nilsson, V. F. Andersen, H. Skov, and M. S. Johnson Pressure dependent deuterium fractionation factors in the production of molecular hydrogen from formaldehyde photolysis
14:15–14:30
EGU2009-3766 C. Frankenberg, I. Aben, K. Yoshimura, T. Röckmann and the SCIAMACHY and FTIR Team Tracing near-surface deuterated water vapour and its seasonal variations from space and ground
14:30–14:45
EGU2009-11440 J. Galewsky, D. Noone, Z. Sharp, and J. Worden Water vapor isotopes measurements at Mauna Loa, Hawaii: Comparison of laser spectroscopy and remote sensing with traditional methods, and the need for ongoing monitoring
14:45–15:00
EGU2009-11832 M. C. Liang and Y. L. Yung Isotopic Constraints on the Global Budget and Trend of Atmospheric Nitrous Oxide
COFFEE BREAK
Chairperson: Matthew Johnson
15:30–15:45
EGU2009-11814 L. Huang, A Chivulescu, and D Ernst Uncertainties and Challenges in Long-term d13C Measurements of Atmospheric CO2 at Canadian Baseline Stations: Can Human induced CO2 Detected & Quantified at Regional Scale?
15:45–16:00
EGU2009-9138 R.E. Fisher, M. Lanoisellé, S. Sriskantharajah, D. Lowry, E.G. Nisbet, G.K. Westbrook, R.H. James, D. Green, N. Shakhova, A. Salyuk and the International Siberian Shelf Study (ISSS-08) Team Methane in Arctic Air during 2008: Monitoring Methane Mixing Ratio and Stable Isotopic Composition
16:00–16:15
EGU2009-10236 R. Wegener, F. Holland, F. Rohrer, A. Wahner, M. Krebsbach, P. Knieling, H. P. Heuser, H. Spahn, and R. Koppmann Stable carbon isotope ratio measurements of VOC over various source regions in Southern Germany aboard a Zeppelin
16:15–16:30
EGU2009-9679 O. Stein and J. Rudolph Benzene and toluene stable carbon isotope ratios: Global modelling and interpretation
16:30–16:45
EGU2009-4836 M. Cuntz, C. H. Reick, E. Maier-Reimer, M. Heimann, M. Scholze, and T. Naegler Carbon Isotopes in an Earth System Model
16:45–17:00
EGU2009-11790
E.D. Sofen, S.A. Kunasek, B. Alexander, E.J. Steig, D.J. Gleason, T.L. Jackson, M.H. Thiemens, and M.G. Hastings Evaluating the sensitivity of nitrate and sulfate Î17O to changes in atmospheric oxidant concentrations on the preindustrial-industrial timescale
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