Web page of the course
Physics of the Atmosphere and the Ocean
(L.M.
Fisica) - A.A. 2022/2023
G. Redaelli (gianluca.redaelli@aquila.infn.it)
A. Lombardi
(annalina.lombardi@aquila.infn.it)
Ricevimento del docente/office hours: by appointment
Testi di riferimento/reference textbooks:
J. Wallace and P. Hobbs, Atmospheric Science: An introductory survey, Academic Press
Jacob D. J., Introduction to Atmospheric Chemistry, Princeton University Press
Jacobson M. Z., Fundamentals of Atmospheric Modeling, Cambridge University Press
Calendario Lezioni/Lesson schedule
1 |
Th 29 September |
GR | Introduction to the course. |
2 |
Fr
14 October |
GR | General characteristics of the Atmosphere: definitions and term of references. Climate vs weather. |
3 |
Th 20 October |
GR | General characteristics of the Atmosphere: mass, chemical composition, temperature, pressure. |
4 | Fr 21 October |
GR | General characteristics of the Atmosphere: Winds and SST. General Circulation and surface winds in an "Aquaplanet" approximation. |
5 | Th 27 October |
GR | Atmospheric Thermodynamics: gas laws, hydrostatic equation, geopotential, scale height and hypsometric equation. |
6 | Th 3 November |
GR | Atmospheric Thermodynamics: reduction of pressure to sea level, the first law of thermodynamics, Enthalpy and sensible heat, The Dry Adiabatic Lapse Rate. |
7 |
Fr 4 November |
GR | Atmospheric Thermodynamics: Potential Temperature and Static stability. Buoyancy oscillations and Brunt–Väisälä frequency. |
8 | Th 10 November |
GR | Water Vapor in Air: Virtual Temperature and moisture parameters. |
9 | Th
17 November |
GR | Water Vapor in Air: LCL and Pseudoadiabatic Processes, The Saturated Adiabatic Lapse Rate, Equivalent Potential Temperature, Conditional Instability |
10 | Fr
18 November |
GR |
Radiative
transfer:Black-body Radiation.
Properties of non-black
materials. Physics
of Scattering and Absorption. |
11 | Th 24 November |
GR | Calculation of the Effective Emission Temperature of the Earth. Greenhouse effect. Radiative Forcing and Climate Sensitivity |
12 |
Fr 25 November |
GR | Climate Equilibria, Sensitivity and Feedback. Climate feedback factors. |
13 | Th 1 December |
GR | Main Climate Feedbacks. The climate system. Transient versus equilibrium response. |
14 | Fr 2 December |
GR | Stable, unstable and multiple equilibrium states: Daisyworld. |
15 | Mo 12 December |
GR | Evidences
of the building of GHGs and of global
warming. GHGs and
GWP. Anthropogenic forcing. |
16 | Fr 16 December |
GR |
1D Energy Balance Model for the calculation of Ts: numerical solution. |
18 | Mo 19 December |
GR | Atmospheric Chemistry: Gas-phase species, chemical reactions, and reaction rates. Temperature and pressure dependence of rate coefficients. |
19 | Th 22 December |
GR | Atmospheric Chemistry: Sets of reactions. Stiff systems. Chemical lifetimes and residence time. Photostationary-state approximation. |
20 | Mo 9 January |
GR |
Chemical
families:
general
characteristics
and
calculation of
partition
ratios. Stratospheric Ozone: the Chapman cycle. |
21 |
Th 12 January |
GR | The Chapman
cycle: Steady state
solution and calculation
of vertical profile. Catalytic Ozone loss cycles (HOx). |
22 |
Mo 27 February |
GR |
Catalytic
Ozone loss cycles
(NOx and ClOx). Vertical distribution and techniques for measuring Atmospheric Ozone. |
23 | Fr 3 March |
GR | Tropospheric Ozone: principal chemical reactions and NOx/HOx cycles. |
24 | Mo 6 March |
GR | The Antarctic Ozone Hole: evolution and experimental evidences. Heterogeneous chemistry on PSC's surfaces. Dynamical causes and prediction for the future. |
25 | Fr 10 March |
GR | The Geochemical cycles. |
26 | Fr
17 March |
GR | Atmospheric
Dynamics:
elementary
kinematic
properties of
the
large-scale
flow. Dynamics of the horizontal flow. Apparent and real forces. The horizontal equation of motion. The Geostrophic wind. |
27 | Mo
20 March |
GR | Atmospheric Dynamics: The effect of Friction, the Gradient wind and the Thermal wind. Conservation laws for Vorticity. The Barotropic Potential Vorticity. |
28 | Tu
21 March |
GR | Launch of a balloon with PTU sensors and ECC ozonesonde. |
29 | Fr
24 March |
GR | The Isentropic Potential vorticity. The Primitive Equations. |
30 | Mo
27 March |
GR | The
Thermodynamic
Energy
Equation.
Inference of
the Vertical
Motion Field. From Primitive equations to General Circulation in an Aquaplanet atmosphere |
31 | Fr
31 March |
GR | The Ocean General Circulation. |
32 | Mo 3 April |
GR | Patterns and indices of Climate Variability. |
33 | 5 May |
AL | Global Climate Modelling |
34 | 8 May |
AL | Regional Climate Modelling |
35 | 22 May |
AL | RegCM: Regional Climate Modelling V4.0 |
36 | 29 May |
AL | Installing RegCM |