| Term: | Seasonally thawed layer (STL) |
| Definition: |
The active layer in permafrost areas. NSIDCCryosphere
The active layer in permafrost areas IPAPermafrost GCW |
| Term: | Seasonally thawed layer (STL) |
| Definition: | The active layer in permafrost areas |
| Term: | Seasonally thawed layer (STL) |
| Definition: | The active layer in permafrost areas. |