Lecture 1 -Introduction&Logistics Many roles of radiative transfer processes in the atmosphere Lecture 2 -Basic radiometric quantities. The Beer-Bouguer-Lambert law. Concepts of scattering, absorption, and emission. Lecture 3 -Blackbody radiation. Main laws. -Simple aspects of radiative transfer. Lecture 4 -Composition and structure of the atmosphere. -Basic properties of radiatively active species. Lecture 5 Terrestrial infrared radiative processes. Part 1: -Gaseous absorption/emission: Concepts of a spectral line and a band. Line shapes. Absorption coefficient and transmittance. Lecture 6 Terrestrial infrared radiative processes. Part 2: -Gaseous absorption/emission: Line-by-line approach. -K-distribution approximations. Lecture 7 Terrestrial infrared radiative processes. Part 3: -Gaseous absorption/emission: Band models. -Curtis-Godson Approximation. Lecture 8 Terrestrial infrared radiative processes. Part 4: -Infrared radiation transfer in the plane-parallel atmosphere. -Radiative heating/cooling rates Lecture 9 -Absorption by atmopsheric gases in UV and visible Lecture 10 -Ground-based and aircraft measurements at IR wavelengths. Lecture 11 -IR satellite remote sensing. -Concepts of inversion problems. Lecture 12 -Review for Exam 1: IR radiative transfer processes Lecture 13 -Scattering. Part 1: -Main concepts. Stokes matrix. Polarization. -Scattering by gases. Lecture 14 -Scattering. Part 2: -Scattering and absorption by aerosol particles. Lecture 15 -Scattering. Part 3: -Scattering by water and ice cloud particles. Lecture 16 -In situ measurements of aerosol optics Lecture 17 -Principles of multiple scattering in the atmosphere -Radiative transfer equation in a plan-parallel atmosphere Lecture 18 -Methods for solving the radiative transfer equation. Part 1: Two-stream approximations. Lecture 19 -Methods for solving the radiative transfer equation. Part 2: Effects of surface reflection on the atmospheric radiation field. Lecture 20 -Methods for solving the radiative transfer equation. Part 3: Discrete-ordinate method. Lecture 21 -Methods for solving the radiative transfer equation. Part 4: -Principles of invariance. Adding method. Lecture 22 -Methods for solving the radiative transfer equation. Part 5: Lecture 23 -Review for Exam 1: Solar radiative transfer processes Lecture 24 -Radiation and climate. -Radiative-convective equilibrium. Lecture 25 -Direct and indirect radiative forcings Lecture 26 -Student's project presentations Lecture 27 -Student's project presentations Reading: L80: Liou, An introduction to atmospheric radiation, 1980. L92: Liou, Radiation and cloud processes in the atmosphere, 1992. G&Y: Goody and Young, Atmospheric radiation: Theoretical basis, 1989. Le93: Lenoble, Atmospheric radiative transfer, 1993.