The Köppen climate classification system was first published in 1918 by German climatologist Wladimir Köppen. Faced with a lack of adequate observing stations, Köppen used vegetation to approximate ...
You probably saw a multi-colored climate map at least once in school. You might have pored over it, fascinated. Was Antarctica really a cold desert? And why was so much of Russia listed as tundra?
The Koppen classification system suggests that Chicago shares climatic similarities with New England, the central Great Plains, Bulgaria and portions of South and North Korea and northern China. The ...