applied. Final map of vegetation had values between zero (i.e., no vegetation) and one (i.e., totally covered by vegetation). Table A3 Input data for the processing of the air purification model. All the input variables were computed at 100 m of resolution (pixel size). Component Data description Data source Comments Average annual pollutant Air quality database Air pollution concentrations in BMR Exported to vector data (Catalan Government - measurements monitoring stations (NO2) - (points) http://qualitatdelaire.cat) year 2013 SITxell database Converted from vector Land cover dataset (www.sitxell.eu) data (polygons) (Barcelona Regional Council) SITxell database Resampled from 15x15m Digital Elevation Model (DEM) (www.sitxell.eu) raster (bilinear resampling) (Barcelona Regional Council) Climatic Digital Atlas of Resample from 180x180 Average mean temperature Catalonia m raster (annual) (www.uab.es/atles-climatic) (bilinear resampling) Climatic Digital Atlas of Resample from 180x180 Average mean precipitation Spatial Catalonia m raster (annual) predictors (www.uab.es/atles-climatic) (bilinear resampling) Resample from 200x200 Average wind speed at 60m Environment geodatabase m raster altitude from land surface (Catalan Government) (annual) (bilinear resampling) Census tract dataset (INE, 2011) Intersect assuming equal population distribution Residential use classes extracted Population density grid within residential land from land cover map (LCMC, 2009) for each census tract TeleAtlas® MultiNet™ dataset Road network (update 2014) Global Human Settlement Layer Urban vegetation (GHSL JRC, IPSC, Ferri et al., 2014) High Resolution Global Forest Vegetation Forest vegetation map map (Hansen, 2013) SITxell database Extracted from land (www.sitxell.eu) Permanent crops dataset (Barcelona Regional Council)
applied. Final map of vegetation had values between zero (i.e., no vegetation) and one (i.e., totally covered by vegetation). Table A3 Input data for the processing of the air purification model. All the input variables were computed at 100 m of resolution (pixel size). Component Data description Data source Comments Air pollution measurements Average annual pollutant concentrations in BMR monitoring stations (NO2) - year 2013 Air quality database (Catalan Government - http://qualitatdelaire.cat) Exported to vector data (points) Spatial predictors Land cover dataset SITxell database (www.sitxell.eu) (Barcelona Regional Council) Converted from vector data (polygons) Digital Elevation Model (DEM) SITxell database (www.sitxell.eu) (Barcelona Regional Council) Resampled from 15x15m raster (bilinear resampling) Average mean temperature (annual) Climatic Digital Atlas of Catalonia (www.uab.es/atles-climatic) Resample from 180x180 m raster (bilinear resampling) Average mean precipitation (annual) Climatic Digital Atlas of Catalonia (www.uab.es/atles-climatic) Resample from 180x180 m raster (bilinear resampling) Average wind speed at 60m altitude from land surface (annual) Environment geodatabase (Catalan Government) Resample from 200x200 m raster (bilinear resampling) Population density grid Census tract dataset (INE, 2011) Residential use classes extracted from land cover map (LCMC, 2009) Intersect assuming equal population distribution within residential land for each census tract Road network TeleAtlas® MultiNet™ dataset (update 2014) Vegetation map Urban vegetation Global Human Settlement Layer (GHSL JRC, IPSC, Ferri et al., 2014) Forest vegetation High Resolution Global Forest map (Hansen, 2013) Permanent crops SITxell database (www.sitxell.eu) (Barcelona Regional Council) Extracted from land dataset
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