Canadian Digital Elevation Model: Product...
The CDEM stems from the existing Canadian Digital Elevation Data (CDED). The latter were extracted from the hypsographic and hydrographic elements of the National Topographic Data Base (NTDB) at the scale of 1:50 000, the Geospatial Database (GDB), various scaled positional data acquired by the provinces and territories, or remotely sensed imagery.
The CDEM stems from the existing Canadian Digital Elevation Data (CDED). The latter were extracted from the hypsographic and hydrographic elements of the National Topographic Data Base (NTDB) at the scale of 1:50 000, the Geospatial Database (GDB), various scaled positional data acquired by the provinces and territories, or remotely sensed imagery.
Papildus informācija
| Lauks | Vērtība |
|---|---|
| Pēdējo reizi mainīts | 2017. gada 18. oktobris |
| Metadati pēdējo reizi mainīti | 2022. gada 17. jūnijs |
| Izveidots | 2017. gada 18. oktobris |
| Formāts | |
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