Category Archives: Data Quality

Grand Ethiopian Renaissance Dam & Other Stories

Ethiopia’s Nile Dam Last month the 2020 Visions blog post considered sustainability in Africa along with other areas. It considered the UNA Climate 2020 report which noted that Ethiopia is experiencing much economic growth which is largely sustainable. Part of … Continue reading

Posted in ACD, Carbon Dioxide, Climate Change, Data Quality, flood, Geography, Mapping, railways, Smart Cities, Sustainable Development, Sustainable Transport, Transport, tsunami | Leave a comment

2020 Visions: The Power of Setting Goals

2020 Visions Two projects have strong visions for the year 2020: one is an OpenStreetMap Canada initiative to map all Canadian buildings by 2020 and the other is the United Nations Association United Kingdom (UNA-UK). UNA-UK produced a major report … Continue reading

Posted in ACD, America, China, Data Quality, Europe, Mapping, OpenStreetMap, Sustainable Development, Zero | Leave a comment

Crowd Sourced Mapping Assists Hurricane Responses

Algorithm Assisted Crowd Sourced Mapping Crowd sourced mapping, that is using many people (who may typically be volunteers) to map areas, has been used before in many disaster situations. Recently there have been developments whereby the information collected by these … Continue reading

Posted in ACD, America, Climate Change, Data Quality, flood, Health, Islands, Mapping, OpenStreetMap | Leave a comment


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

Posted in Data Quality, Geography, Mapping, OpenStreetMap | Leave a comment

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

Posted in Data Quality, Mapping, OpenStreetMap | Tagged , , , , | Leave a comment