Restricted to students in a geosciences major and students pursuing a minor in geosciences. A survey of the crysopheric sciences. Three lecture hours a week for one semester. Geological Sciences 349C and 371T (Topic: Introduction to the Cryosphere) may not both be counted. Prerequisite: Upper-division standing; and the following with a grade of at least C- in each: Chemistry 204, Geological Sciences 401 or 303, Mathematics 408D or 408M; and Physics 303L and 103N or Physics 316 and 116L.