Understanding the climate of the Arctic requires a synthetic, system oriented approach. The course focuses on the intimate linkages between the atmosphere, ocean and land that give the Arctic region its unique character, link the Arctic to the larger global climate system, and promote understanding the rapid changes occurring in the Arctic. Recommended prereq., for GEOG 4271, statistics and GEOG 3511 or GEOG 3601 or ATOC 3600 or ENVS 3600. GEOG 4271 and 5271 are the same course. Requisites: Restricted to graduate students only.