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.
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| Miền | Giá trị |
|---|---|
| Data last updated | 18 tháng 10, 2017 |
| Metadata last updated | 17 tháng 6, 2022 |
| Được tạo ra | 18 tháng 10, 2017 |
| Định dạng | |
| Giấy phép | License not specified |
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