Improvements to gravity wave physics from an observational perspective / von Markus Geldenhuys. Wuppertal, [2022]
Inhalt
- Introduction
- The Gravity Wave lifecycle
- New implications on GW physics due to blocking
- Subgrid GW representation in models and future relevance
- Current implementation of GW physics near low-level blocking
- Why do parameterisation schemes account for the blocking layer?
- Considerations of the blocking layer influence on determining model GW drag
- Summary
- Data and Tools
- Campaigns
- Instruments and observational data analysis
- GLORIA description — Gimballed Limb Observer for Radiance Imaging of the Atmosphere
- GLORIA retrieval
- ALIMA - Airborne Lidar for the Middle Atmosphere
- Reanalysis data and model integrations
- ERA5 reanalysis
- High-resolution ECMWF analysis data
- WRF (Weather Research and Forecasting) model data
- GROGRAT — Gravity-wave Regional Or Global Ray Tracer
- SouthTRAC campaign: The physics of GW refraction
- SouthTRAC
- Synoptic Situation
- GW Observations: Tropospheric and Lower Stratospheric
- GW Observations: Mid- and Upper Stratosphere
- Refraction: Causality and Consequence
- Frequency of occurrence
- Summary
- PGGS Campaign: Physics of a new GW source combination
- PGGS — POLSTRACC, GWEX, GW-LCYCLE and SALSA
- Synoptic situation
- GLORIA observations
- GROGRAT raytracing
- Numerical Weather Prediction Experiment and GW source identification
- Numerical experiment overview and results
- CTL-run vs. T21-run: What is the difference?
- CTL-run vs. T21-run: What causes the difference?
- Summary
- Conclusion
- Appendix: Gravity wave sources
- Inertial instability
- Wind shear and Kelvin-Helmholtz waves
- Katabatic winds
- Convection
- Fronts
- GW Breaking
- Rossby waves / Tropopause folds
- Volcanoes
- Others
- Summary
- Acknowledgments
- List of figures
- List of tables
- List of equations
- List of symbols
- List of abbreviations
- Bibliography