Research Article
Implications of a Spatial Multicriteria Decision Analysis for Urban Development in Ulaanbaatar, Mongolia
Table 5
Data sources used to create the various information layers for the criteria maps.
| Features considered | Source | Method of creation |
| Urban areas | Landsat 7 satellite image | Unsupervised classification | Forest areas | Landsat 7 satellite image | Supervised classification | Topography (slope, aspect) | CGIAR-CSI DEM of 90 m resolution/Aster GDEM of 30 m | Import via GIS (grid) and Erdas (raster) | Hydrology | ASTER GDEM | Geoprocessing tool/hydrology tool in GIS | Vegetation | Landsat 7 satellite image | Normalized difference vegetation index (NDVI) | National parks | National parks map | Digitizing/georeferencing |
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