Temporal and spatial variability in δ(D,H2) measurement time series
•Download as PPT, PDF•
0 likes•207 views
Presentation given at the European Geosciences Union General Assembly 2011. The work described here is published in Atmospheric Chemistry and Physics Discussions: http://www.atmos-chem-phys-discuss.net/11/10087/2011/acpd-11-10087-2011.html
![Presentation overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
Recommended
More Related Content
What's hot
What's hot (18)
Similar to Temporal and spatial variability in δ(D,H2) measurement time series
Similar to Temporal and spatial variability in δ(D,H2) measurement time series (20)
Recently uploaded
Recently uploaded (20)
Temporal and spatial variability in δ(D,H2) measurement time series
- 1. Temporal and spatial variability in δ (D,H 2 ) : measurement time series from six EUROHYDROS stations Batenburg, A.M. , G. Pieterse, M. Krol, S. Walter, I. Levin, M. Schmidt, A. Jordan, S. Hammer, C. Yver, and T. Röckmann
- 3. The atmospheric H 2 budget
- 4. Effects of a Hydrogen Economy
- 5. Isotope δ -notation The δ (D,H 2 ) value represents the deuterium-to-hydrogen ratio in the H 2 relative to a standard (Vienna Standard Mean Ocean Water (VSMOW))
- 6. Isotopic source signatures Isotopes can be used to gain information about different sources and sinks.
- 10. Overview of the time series
- 12. Sink processes Rayleigh fractionation formula: where m (H 2 , max ) is the maximum mixing ratio, c a constant and α the fractionation factor: with k the removal rate of the species
Editor's Notes
- - Linked to methane cycle - Large uncertainties exist in the global H 2 budget - Expected `Hydrogen economy ’ Expected leakage assumptions from Tromp: All current technologies based on oil or gasoline combustion replaced by H2 fuel cells 10 to 20% leakage
- Explain delta notation. BB signature is likely more depleted. Hydrogen has large isotope effects (large relative mass difference) -> Isotopic analysis is a useful tool to constrain sources and sinks