This is a Fourth Year Major Option for Part C of Oxford University's Honour School of Physics. It is part of the four-year course leading to the M.Phys. degree. It is taught by members of the subdepartment of Atmospheric, Oceanic and Planetary Physics. (This course is also taken by first-year AOPP D.Phil. students if they did not take it as undergraduates.)
A brief overview (from the introductory lecture to 3rd years) can be found here.