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Geography 470 Term Project

Geography 470 Term Project. Assessing Transborder Air Pollution at the Detroit-Windsor Border Crossing. Overview. We had access to some pollution data for the Detroit-Windsor border crossing area

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Geography 470 Term Project

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  1. Geography 470 Term Project Assessing Transborder Air Pollution at the Detroit-Windsor Border Crossing

  2. Overview • We had access to some pollution data for the Detroit-Windsor border crossing area • From this we selected a 5-day period to examine the spatial and temporal variation of NO2 concentrations • The significance of this is that little work has been done on border crossings but traffic crossing the border is increasing, and 50,000 people live within 2 km of the border crossing

  3. Methodology • Import dBase table from Excel to ArcGIS • Scan in paper map • Digitize monitoring stations, and Georeferenced map • Convert pollution values to raster and then to TIN • Using 120 TINs create a movie using ArcScene and Corel Rave

  4. Results • The greatest maximum hourly concentration values were obtained on Saturday, Sunday and Monday with the greatest average NO2 concentrations were on Sunday and Monday

  5. Results • Most of the highest hourly values for each day were recorded at the Detroit-Linwood site • This is approximately 6 km north of the border crossings and really does not allow us to reason that the pollution is originating from border crossing traffic

  6. Results • Temporally the maximum daily NO2 concentrations were obtained in the early morning or late evening • This can adequately be explained by the lack of photo-ionization during the night

  7. To Wrap Up • No conclusions can accurately be drawn by our analysis as the time frame is short, 5 days, and because of the layout of the existing monitoring stations • If a more thorough analysis was desired it would be up to government bodies to strategically locate more monitoring stations

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