Table 1 Harmonized GIS data
Category | Description | Sub-category | Buffer radii (m) | Source/type |
|---|---|---|---|---|
(Number of variables) | ||||
Road Length | Total length of two road types | RD1 (Highways) | 50, 100, 500, 1000 | DMTI Road Network (Polyline) |
(8) | RD2 (Major Roads) | |||
Land use | Total area of different land use types (ha) | COMM (commercial) | 100, 500,1000 | DMTI spatial data |
(12) | OPEN | (polygon) | ||
PARK | ||||
INDUS (industrial) | ||||
Distance to nearest feature | Distance to nearest road type (m) | Dist_RD1 | Â | |
Dist_RD2 | ||||
(6) | ||||
Distance to nearest land use type (m) | Dist_Comm | Â | DMTI spatial data (polygon) | |
Dist_Open | ||||
Dist_Park | ||||
Dist_Indus | ||||
Population density | Density of the population (persons/hectare) | POPDENS | 100, 1000, 2500 | Block level census data (point file) |
(3) | ||||
Geographic position | Elevation (m) | ELEV | Â | Geobase DEM (raster) |