London Population Density 1801- 2001

Using data from the excellent new London Data Store website I have produced a maps showing London’s population density for each decade between 1801 and 2001. An especially interesting pattern from the maps is that of increased population densit...


UK Carbon Emissions

I read recently this article on the BBC News website. I thought the map they used (below) to show the areas of Britain with the largest domestic carbon footprints was a little uninspiring. The colour scale was unclear with no explanation as to why th...


Roads Marking Landscape

Ben Fry has produced a map of the USA’s landscape patterns by plotting only its roads. His All Streets project involved collating network data covering all the roads in the lower 48 United States (26 million road segments!) and mapping them (se...


Featured Map: "Non-British Names Map"

I wanted to avoid the misleading effects of poorly selected spatial units and inappropriate data categorisation in my next Featured Map. I produced it for a forthcoming CASA Working Paper to inform my analysis of general surname trends in Great Brita...


Featured Map: Possible Surname Regions in Britain

This map is one I created for a working paper I am currently writing. Using surnames from the 1881 census of Great Britain, I have been implementing a measure (the Lasker’s Distance) that establishes the similarity of populations based on their Coe...



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