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 3:05- 4:25 PM
ES&T L1175

Revised lecture schedule

Jan. 9 Lecture 1. Course structure&Syllabus
Jan. 11 Lecture 2. Multiple roles of radiation: Introductory survey
Jan. 16 School Holiday
Jan. 18 Lecture 3. Basic radiometric quantities. The Beer-Bouguer-Lambert law.
Concepts of extinction (scattering plus absorption) and emission.
Jan. 23 Lecture 4. Blackbody radiation. Main radiation laws.
Sun as an energy source. Solar spectrum and solar constant.
Jan. 25 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. 30 Lecture 6. Basics of gaseous absorption/emission. Line shapes.
Feb. 1 Lecture 7. Absorption spectra of atmospheric gases in the IR, visible and UV regions.
Feb. 6 Lecture 8. Terrestrial infrared radiative processes.
Part 1: Line-by-line (LBL) method for solving IR radiative transfer.
Feb. 8 Lecture 9. Terrestrial infrared radiative processes.
Part 2: Absorption band models.
Feb. 13 Lecture 10. Terrestrial infrared radiative processes.
Part 3: K-distribution approximation.
Feb. 15 Lecture 11. SBDART modeling.
Feb. 20 Lecture 12. Terrestrial infrared radiative processes.
Part 4: IR radiative heating/cooling rates.
Feb. 22 Lecture 13. Problem solution examples.
Feb. 27 Lecture 14. Review for Midterm Exam 1.
Review slides
Feb. 29   Midterm Exam 1.
Mar. 5 Lecture 15. 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.
Mar. 7 Lecture 16. Light scattering and absorption by atmospheric particulates.
Part 2: Scattering and absorption by spherical particles.
Mar. 12 Lecture 17. Optical modeling using Mie theory.
Mar. 14 Lecture 18. Light scattering and absorption by atmospheric particulates.
Part 3: Scattering and absorption by nonspherical particles.
    Spring Break
Mar. 26 Lecture 19. Principles of multiple scattering in the atmosphere.
Radiative transfer equation for diffuse solar radiation.
Single scattering approximation.
Mar. 28 Lecture 20. Methods for solving the radiative transfer equation with multiple scattering.
Part 1: Two-stream approximations.
Apr. 2 Lecture 21. 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. 4 Lecture 22. Problem solution examples.
Apr. 9 Lecture 23. Total radiative heating/cooling rates.
Apr. 11 Lecture 24. Radiation and climate. Simple climate models.
Apr. 16 Lecture 25. Radiative forcing of gases, aerosols and, clouds.
Apr. 18 Lecture 26. Class project presentations.
Modeling of radiative forcing of clouds.
Apr. 23 Lecture 27. Class project presentations.
Apr. 25 Lecture 28. Course review.
Review slides

Homeworks