The black-and-white footprint maps that emerged from multispectral analysis or from feature extraction analysis were highly abstract. They look like inkblots. Early in the process there was a desire to create a second type of map that depicts some of the natural context within which these cities are located. Rivers, shorelines, mountain ridges, and other large open space systems are shown in order to understand the context of each urban agglomeration. For this second set of maps the urbanized areas are depicted in grey, the natural systems of large open space areas in green and water bodies in blue. Depending on availability, we have mapped, in black, the extent of the historic core around 1900.
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Contributors
Urban Transformations
