Flood courses of the Mississippi River

This fantastic map of the historical twists and turns of the Mississippi River near Cairo, Illinois, was drawn in 1944.  It is reproduced in the New York Times today (link).  In an age of digitally produced information displays, it is fascinating to see the density of historical information represented in this hand-drafted map.  It is reminiscent of …

Spatial patterns in the US

Here are four interesting graphics representing different kinds of activity in the United States.  The top panel represents population concentrations across the United State.  The second image is air traffic across the country, and the third image is internet traffic across the country.  The final image is a photograph of the United States from space …

Skinner’s spatial imagination

images: presentations of Skinner's data by Center for Geographic Analysis, Harvard University, AAS 2010G. William Skinner was a remarkably generous scholar who inspired and assisted several generations of China specialists.  (Here is a link to a remembrance of Bill.)  He was prolific and fertile, and there is much to learn from rereading his work. There …

A spatial twitter feed for Southeast Asia

http://maps.google.com/maps/ms?hl=en&ie=UTF8&msa=0&msid=108207260190333285558.00046c2d81e5b1db72478&t=h&ll=16.438409,101.279504&spn=20.496642,7.275882&output=embed View Southeast Asia in a larger map Quite a few of the items included in the UnderstandingSociety twitter feed currently refer to events and conditions in Southeast Asia -- especially Burma, Malaysia, and Thailand. This posting introduces a dynamic map that I'll try to update with new feed items as they occur when it …

Is a rail network a social structure?

figures: RER map of Paris; E. J. Marey's graphical representation of Paris-Lyon train schedules, 1885What role does a rail network play within an adequate ontology of society? Is a rail system primarily a set of physical assets, a set of administrative procedures, or a set of embodied opportunities and constraints for other members of society? …

Mapping social data

Fig. 1. Household income inequality (US Census 2000 link)Fig. 2. Poverty rates (US Census Data 2000 link)Fig. 3. 60 day bank card delinquency -- Q1 2008 (Federal Reserve Bank link)Fig. 4. 90 day mortgage delinquency -- Q1 2008 (Federal Reserve Bank link)It's interesting to look at each of these data maps in detail. The comparisons …

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