Tuesday, February 26, 2013

Cartographic Skills, Lab 7: Choropleth Mapping

Choropleth map in grey scale

Choropleth map using color

This week we focused on Choropleth mapping.  A choropleth map is a type of map that presents it data grouped into classes with each class being a different shade or color.  These maps are useful when there are abrupt changes at boundaries.  I created two different maps to portray the data.

In the first one, I used a grey scale to show the United States' population change by the divisions with, which we were provided.  The data was gathered by the U.S. Census in 2000.  The second map that I made is the United States' population change based on each individual state.  In this case, I used color to define how much each state has changed compared to the rest of the country.

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