Web page of the course
Physics of the
Atmosphere
(L.M.
Fisica) - A.A. 2025/2026
G. Redaelli (gianluca.redaelli@univaq.it)
TEXTBOOKS:
J. Wallace, P. Hobbs, Atmospheric Science: An introductory survey, Ac. Press
Jacob D. J., Introduction to Atmospheric Chemistry, Princeton Univ. Press
Jacobson M. Z., Fundamentals of Atmospheric Modeling, Cambridge Univ. Press
Lessons
| 1 |
Tu 23 September |
Introduction to the course. Weather vs Climate. | |
| 2 |
Tu
30 September |
General characteristics of the Atmosphere: definition and terms of references, mass and chemical composition. | |
| 3 |
Fr
3 October |
General characteristics of the Atmosphere: pressure, temperature and winds. | |
| 4 | Tu
7 October |
General
characteristics of the
Atmosphere: general circulation
and surface winds in an
"Aquaplanet" approximation; precipitation,
motion on smaller scale. Atmospheric Chemistry: gas-phase species and elementary chemical reactions. |
|
| 5
|
Fr 10 October |
Atmospheric
Chemistry: Reaction rates
and coefficients.
Temperature and pressure
dependence of rate
coefficients. |
|
| 6 |
Tu 14 October |
Radiative transfer: Black-body Radiation. Properties of non-black materials. | |
| 7 |
Fr 17 October |
Radiative
transfer: Physics of
Scattering and
Absorption. Atmospheric Chemistry: Sets of reactions. |
|
| 8 |
Tu 21 October |
Atmospheric Chemistry: Stiff systems. Chemical lifetimes and residence time. Photostationary-state approximation. | |
| 9
|
Th 23 October |
Chemical
families: general
characteristics
and calculation of
partition ratios. Stratospheric Ozone: the Chapman cycle. |
|
| 10 | Fr 24 October |
The
Chapman cycle:
Steady state
solution and
calculation of
vertical
profile.
Catalytic Ozone
loss cycles (HOx
and NOx). |
|
| 11 | Tu 28 October |
Catalytic
Ozone loss
cycles (NOx
and ClOx). Vertical distribution and techniques for measuring Atmospheric Ozone. |
|
| 12 | Th 30 October |
The Antarctic Ozone Hole: evolution and experimental evidences. Heterogeneous chemistry on PSC's surfaces. Dynamical causes and prediction for the future. | |
| 13 | Fr 31 October |
Calculation of the Effective Emission Temperature of the Earth. Greenhouse effect. | |
| 14 | Tu 4 November |
Radiative Forcing and Climate Sensitivity. | |
| 15 | Fr 7 November |
Climate Equilibria, Sensitivity and Feedback. Climate feedback factors. Main Climate Feedbacks. | |
| 16 | Tu 11 November |
The
climate
system.
Transient
versus
equilibrium
response.
Stable,
unstable and
multiple
equilibrium
states in a
Climate
System. |
|
| 17 | Fr 14 November |
TBD - Daisyworld. Evidences of the building of GHGs and of global warming. GHGs and GWP. Anthropogenic forcings. Climate Projections. | |
| 18 | Tu 8 November |
TBD - Atmospheric Thermodynamics: scale height and hypsometric equation, the first law of thermodynamics, Enthalpy and sensible heat. | |
| 19 |
Fr 21 November |
TBD - Atmospheric Thermodynamics: the dry adiabatic Lapse Rate, Adiabatic processes and Potential Temperature, Static stability. Buoyancy oscillations and Brunt–Väisälä frequency. | |
| 20 | Tu 24 November |
TBD
- Atmospheric
Thermodynamics. |
|
| 21 | Fr 28 November |
TBD - Atmospheric Dynamics: Kinematics and Dynamics of the Large-Scale Horizontal Flow. Geostrophic, Gradient and Thermal wind. Vorticity and Potential Vorticity. | |
| 22 | Tu 2 December |
TBD
- Atmospheric
Dynamics:Vertical
Motions. The
Thermodynamic
Energy
Equation.
Inference of
the Vertical
Motion Field.
|
|
| 23 | Th 5 December |
TBD - Atmospheric Dynamics:The Primitive Equations. General Circulation for an “Aquaplanet” Atmosphere . | |
| 24 | Tu 9 December |
TBD | |
| 25 | Th
12 December |
TBD | |
|
|
|
||
| TBD - Launch of a balloon with PTU sensors and ECC ozonesonde. |