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Name | Area | Description |
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| ASTER and SRTM data | World | Portal for downloading ASTER and SRTM Global Digital Elevation Model (DEM) data. Free data, but registration required. |
| AHN1 and AHN2 | Netherlands | Instructions and links to download and visualize the detailed Dutch digital elevation model. |
| ALOS World 3D | World | Global DEM with a 5 m resolution created by the Japanese Advanced Land Observing Satellite (ALOS); unfortunately, not for free. |
| World | Global DEM with a 30 m pixel resolution and 5m vertical accuracy created by the Japanese Advanced Land Observing Satellite (ALOS); fortunately, it is free. | |
| Copernicus Land | World, Europe | Includes digital elevation model of Europe and various 'land' data geospatial datasets. |
| Viewfinderpanoramas dem3 | World | Void filled and 'cleaned-up' global elevation data based on SRTM; particular improvements in some mountain regions |
| MERIT DEM | World | The MERIT DEM was developed by removing multiple error components (absolute bias, stripe noise, speckle noise, and tree height bias) from the existing spaceborne DEMs (SRTM3 v2.1 and AW3D-30m v1). It represents the terrain elevations at a 3sec resolution (~90m at the equator), and covers land areas between 90N-60S, referenced to EGM96 geoid. |
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Satellite Imagery
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