Lagrangian simulation of stratospheric water vapour : impact of large-scale circulation and small-scale transport processes / Liubov Poshyvailo. Jülich : Forschungszentrum Jülich GmbH, Zentralbibliothek, Verlag, [2020]
Inhalt
- Introduction and motivation
- Scientific background
- Structure of the atmosphere
- Upper troposphere and stratosphere (UTLS)
- UTLS processes
- Stratospheric water vapour (H2O)
- Data and method
- Sensitivities of modelled stratospheric H2O in the LS
- Simulation set-up
- Stratospheric entry H2O sensitivity
- Reanalysis uncertainty
- Horizontal transport
- Mixing effects
- Discussion
- Chapter conclusions
- Estimating BDC trends from stratospheric H2O changes
- Theory of the mean age of air (AoA)
- Methodology of estimating AoA trends from stratospheric H2O changes
- Application of the approximation method to the CLaMS data
- Impact of entry mixing ratio propagation
- The propagation of entry mixing ratios
- Application of propagation procedure to the conserved mean age tracer
- Application of propagation procedure to total hydrogen
- The effects of propagated stratospheric entry H2O and CH4 on the AoA trends
- Impact of using a monthly AoA-FRF correlation
- Discussion
- Chapter conclusions
- Summary and conclusions
- Validation of the CLaMS simulations
- Impact of the dehydration at the poles on simulated stratospheric H2O
- AoA-FRF correlation
- Symbols and abbreviations
- List of Figures
- List of Tables
- Bibliography
- Afterword
- Leere Seite