EAS 8803
Atmospheric Radiative Transfer

Instructor:
Professor Irina N. Sokolik
office 3104, ph.404-894-6180
email: isokolik@eas.gatech.edu

Location and meeting time:
Monday/Wednesday 4:30 - 5:45 PM
ES&T L1175

Jan. 10 Lecture 1. Course structure&Syllabus
Jan. 10 Lecture 2. The multiple roles of radiation: Introductory survey
Jan. 22 Lecture 3. Basic radiometric quantities. The Beer-Bouguer-Lambert law.
Concepts of extinction (scattering plus absorption) and emission. Schwarzschild’s equation.
Jan. 22 Lecture 4. Blackbody radiation. Main radiation laws.
Sun as an energy source. Solar spectrum and solar constant.
Jan. 24 Lecture 5. Composition and structure of the Earth’s atmosphere.
Basic properties of gases, aerosols, and clouds that are important for radiative transfer modeling.
Jan. 29 Lecture 6. Basics of gaseous absorption/emission. Line shapes.
Jan. 31 Lecture 7. Absorption spectra of atmospheric gases in the IR, visible and UV regions.
Feb. 5 Lecture 8. Terrestrial infrared radiative processes.
Part 1: Line-by-line (LBL) method for solving IR radiative transfer.
Feb. 7 Lecture 9. Terrestrial infrared radiative processes. Part 2:
Absorption band models.
Feb. 12 Lecture 10. Terrestrial infrared radiative processes. Part 3: K-distribution approximation.
Feb. 17 Lecture 11. Terrestrial infrared radiative processes. Part 4: IR radiative heating/cooling rates.
Feb. 19 Lecture 12. SBDART modeling
SBDART source code
Feb. 21 Lecture 13. Light scattering and absorption by atmospheric particulates.
Part 1: Principles of scattering. Main concepts: elementary wave, polarization,
Stokes matrix, and scattering phase function. Rayleigh scattering.
Feb. 26 Lecture 14. Light scattering and absorption by atmospheric particulates.
Part 2: Scattering and absorption by spherical particles.
Mar. 4 Lecture 15. Light scattering and absorption by atmospheric particulates.
Part 3: Scattering and absorption by nonspherical particles.
Mar. 7 Lecture 16. Optical modeling using Mie theory.
Slides
Mar. 12 Lecture 17. Principles of multiple scattering in the atmosphere.
Radiative transfer equation for diffuse solar radiation.
Single scattering approximation.
Mar. 14 Lecture 18. Modeling of radiativ transfer through the atmosphere using SBDART.
Mar. 26 Lecture 19. Methods for solving the radiative transfer equation with multiple scattering. Part 1: Two-stream approximations
Slides
Mar. 28 Lecture 20. Methods for solving the radiative transfer equation with multiple scattering. Part 2: Inclusion of surface reflection and emissivity. Exact methods: Discrete-ordinate, Adding-doubling, and Monte Carlo.
Apr. 2 Lecture 21. Total radiative heating/cooling rates.
Apr. 4 Lecture 22. Radiation and climate. Simple climate models.
Apr. 9Lecture 23.Radiative forcing of gases, aerosols and, clouds.
Apr. 11Lecture 24.Course review.
Apr. 16Class Presentations

Homeworks