Category Archives: Data Quality


The Beast: Canada’s Wildfire The early May major “wildfire” in Alberta’s northern region which spread into Fort McMurray has been nicknamed “The Beast” (see this Guardian news article). The fire grew rapidly within a few days and, due to the … Continue reading

Posted in Air Quality, Data Quality, Earth Science | Leave a comment

OpenStreetMap Volunteers: Professional Mappers?

Volunteered Geographical Information OpenStreetMap is a crowd sourced map of the world. It can be seen as a project that has excelled on many levels: for example opening up geographical information, providing copyright free maps that can be shared, providing … Continue reading

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Mapping Pollution & Carbon Dioxide Rapid Increases

Mapping Pollution from Space Over the last few decades there have been many projects that have been monitoring pollution and gathering environmental information from satellite technology. One example is the NASA Aura spacecraft that is monitoring air quality on a … Continue reading

Posted in ACD, Air Quality, China, Data Quality, Earth Science, Mapping, Pollution | Leave a comment

Ground Truth?

Newcourt Station’s Inaccurate Map In a previous blog post the chaotic opening of the new station at Newcourt in South West England was discussed. There is a continuing chaotic element on the station map that is analysed here. A curiosity … Continue reading

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Slow Mapping & Other Open Map Stories

The 2015 AAG Conference I have recently read this blog post from Muki Haklay’s personal blog. He has reviewed the third day of the recent annual meeting of the Association of the American Geographers (AAG) conference. There are a number … Continue reading

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State of the Map 2013

State Of The Map (SOTM 2013) In early September 2013, the annual OpenStreetMap conference was held in Birmingham, UK. The conference welcomed users, developers and community members from all over the world. There was a theme of change for the … Continue reading

Posted in Community Interests, Data Quality, Geography, Mapping, OpenStreetMap, Smart, Sustainable Development, Transition Movement | Leave a comment

Open Data: Gain or Loss?

The OpenStreetMap (OSM) database has now, as of early April 2012, converted to the Open Database Licence. Last year I undertook a quality survey based upon ITO! World data statistics for the UK. As a result of the licence change … Continue reading

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