09:00 am - 09:45 am | Welcome & Course Vision - Course objectives and week roadmap – Learning outcomes overview
- 5-min 'who's in the room' poll
- 2 min written expectations capture (revisited Friday)
| Anke Nölscher |
10:00 am - 11:30 am | Structure of the Atmosphere - Layering (troposphere, stratosphere, ...)
- Barometric formula, temperature gradient
- Potential temperature, isentropes
- Water in the atmosphere
- Ozone
| Anke Nölscher |
11:45 am - 01:00 pm | Atmospheric Dynamics - Transport and mixing in the atmosphere
- Diffusion, advection, and turbulence
- Navier–Stokes equations and Ekman spiral
- Atmospheric scales in time and space
- Global circulation
| Yaping Shao Christian Wegener |
01:00 pm - 02:30 pm | Lunch break | |
02:30 pm - 04:00 pm | Atmospheric Chemistry - Atmospheric composition
- Photochemically active radiation and its height dependence
- Photochemistry, radicals, gas-phase kinetics
- Lifetime of molecules and molecule families
| Anke Nölscher |
04:15 pm - 05:30 pm | Student flash-talk session - 2-min self-introductions: name, group, current research
- Builds community early; surfaces shared interests
- Lecturers stay to learn the room
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06:00 pm - 07:00 pm | Optional Welcome Reception | |
Tuesday, 22.09.2025 | | |
09:00 am - 10:30 am | Tropospheric gas phase chemistry - loss of organic trace gases by OH, O3 und NO3 (reaction mechanisms)
- selected trace gas cycles
- anthropogenic impacts on tropospheric chemistry
| Jörg Kleffmann |
10:45 am - 12:15 pm | Tropospheric aerosols - aerosol sources and dynamical processes
- regional size distributions
- chemical ageing and composition
- spatial and vertical distributions
| Alexandra Tsimpidi |
12:15 pm - 01:45 pm | Lunch break | |
01:45 pm - 02:30 pm | Emerging emissions in a changing world - Emerging sources of VOCs
- From urban to biogenic and natural sources
| Eva Pfannerstill |
02:30 pm - 03:15 pm | From molecules to measurements: field campaigns in practice - Practical measurements from the Paris field campaign
| Georgios Gkatzelis |
03:30 pm - 06:00 pm | Lab tour Part 1 - ICE-3/-4 facilities - VOC, Aerosol, LIF Labs (instrumentation focus)
- ACTRIS (in-situ trace gases)
- SAPHIR atmospheric simulation chamber, SAPHIR-PLUS, STAR
- Tropospheric modelling
- Mobilab
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Wednesday, 23.09.2025 | | |
09:00 am - 09:45 am | Tropospheric chemistry modelling - Online emissions and chemical mechanisms
- Dry and wet deposition; tropospheric budgets
- Chemical processing of trace constituents in the troposphere
| Domenico Taraborrelli |
09:45 am - 10:30 pm | Introduction to box modelling - Introduction to chemical box modelling
- Available online tools for box modelling
- Lumping of species
- How to choose the appropriate model for different types of experiments
| Anna Novelli |
10:45 am - 12:15 pm | Hands-on: modelling the SAPHIR experiment - Familiarization with the modelling tools
- Implementation of chamber effects
- Modelling of a real experiment (the one seen yesterday)
- Sensitivity studies on the impact of different rate coefficients
| Anna Novelli |
12:15 pm - 01:45 pm | Lunch break | |
01:45 pm - 03:00 pm | Stratospheric Chemistry - Chapman cycle
- Catalytic ozone destruction cycles and chlorofluorocarbons
- Polar ozone and polar stratospheric clouds
- Encouraged: short interactive element (polling / quick Chapman exercise)
| Jens-Uwe Grooß Rolf Müller |
03:15 pm - 04:15 pm | Stratospheric circulation in a changing climate - Global stratospheric circulation and its forcing mechanism
- Diagnosing the circulation
- Changes of the stratospheric circulation in a warming climate
- Format: group analysis of real circulation diagnostics (age-of-air, residual circulation)
| Felix Plöger |
04:30 pm - 05:30 pm | Ice clouds — observations and simulations - Cirrus observations: in-situ and satellite climatologies
- Cirrus simulations: origins and freezing mechanisms
| Christian Rolf |
Thursday, 24.09.2025 | | |
09:00 am - 09:45 am | Clouds and ground-based remote sensing - Clouds in the global climate system
- Cloud types
- Methods for cloud observations
| Ulrich Löhnert Bernhard Pospichal |
09:45 am - 10:30 pm | Atmospheric remote sensing (satellite) - Satellite measurements
- Atmospheric radiative transfer
- Temperature soundings
| Sabine Grießbach Lars Hoffmann |
10:45 am - 12:15 pm | AI/ML in atmospheric science: landscape & limitations - Weather emulators (GraphCast, Pangu, Aurora)
- ML in retrievals, chemistry surrogates, downscaling
- Methods of data assimilation; tropospheric chemistry DA; inversion
- Strengths and failure modes (out-of-distribution, physical consistency)
| Anne Lange Philipp Franke |
12:15 pm - 01:45 pm | Lunch break | |
01:45 pm - 03:15 pm | AI tools for scientists — hands-on - Workflow overview — literature, code, analysis, writing, figures
- Hands-on practice with 1–2 specific tools
- When AI fails — hallucinations, plausible-but-wrong code, calibrated trust
- Disclosure ethics and reproducibility
| Georgios Gkatzelis |
03:30 pm - 05:30 pm | Lab tour Part 2 - ICE-3/-4 facilities - GLORIA (remote sensing of trace gases & aerosols)
- JOYCE (Jülich Observatory for Cloud Evolution)
- IAGOS (In-service Aircraft for a Global Observing System)
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07:00 pm | Conference Dinner (Restaurant Indemann — bus transfer provided) | |
Friday, 25.09.2025 | | |
09:00 am - 10:30 am | Global change of the Earth's atmospheric composition and climate - Past and future changes in factors influencing radiative forcing
- Essentials from the IPCC AR6 (and AR7-cycle update)
- Policy options and considerations
| Johannes Laube |
10:45 am - 12:15 pm | Aerosols, radiative budget & climate uncertainty [NEW] - Aerosol forcing in the global radiative budget
- Representation of aerosols in IPCC assessments
- Key uncertainties: aerosol–radiation and aerosol–cloud interactions
| Sören Zorn |
12:15 pm - 01:45 pm | Lunch break | |
01:45 pm - 03:00 pm | Optical properties of aerosol particles — basics & measurement methods - Aerosol parameters and aerosol–climate interaction
- Optical properties and their relation to particle chemical composition
- Measuring concepts (light extinction, scattering, and absorption)
- Optical closure studies
| Patrick Weber Andreas Petzold |
03:15 pm - 04:15 pm | Geoengineering — the exciting close - Carbon Dioxide Removal (CDR)
- Solar Radiation Management (SRM)
- Studies on achievability of these methods
| Rolf Müller Jens-Uwe Grooß |
04:15 pm - 05:00 pm | Wrap-up & feedback - Revisit Monday's expectations
- Key takeaways and where to go next
- Anonymous feedback questionnaire
- Farewell
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