urban geography

Mapping the Consequences of American Urbanization and Stream Burial

A study has found that much of the area of urban America ­ particularly in the Great Lakes region (8.3% of urban area), the Arizona Sun Corridor (7.1%), and Northern California (10.9%) but elsewhere all over the United States (6.2% total) ­ are “urban stream deserts” in which a city is “riverless… due to the effects of human development and population growth”.