Figure 7

Distribution of urban functions within buffers of selected air stations. 27 sites of 145 air stations with 3Â km buffers were displayed. Urban functions including residential, commercial, industrial, transportation and public functions are involved to depict fragmentation characteristics. The maps are performed using ArcGIS Pro software (version 2.7, https://www.esri.com/en-us/arcgis/products/arcgis-pro/overview).