Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
polar regions  | |
|---|---|
| NT | Polar Continental Shelf |
| RT | planetology |
| Mars | |
| Antarctica | |
| Arctic region | |
| Makarov Basin | |
| polar caps | |
| South Pole | |
| equatorial region | |
| North Pole | |
| SN | Used for the region surrounding both geographic poles. Before 1993, used with Earth. May now be used with Earth or other planets. After 1992, search in combination with planet or continent or region. Before 1978, also search Polar. Indexed with planet or |