| Term: | Upward freezing |
| Definition: |
The advance of a freezing front upwards from the permafrost table during annual freezing of the active layer. NSIDCCryosphere
The advance of a freezing front upwards from the permafrost table during annual freezing of the active layer IPAPermafrost GCW |
| Term: | Upward freezing |
| Definition: | The advance of a freezing front upwards from the permafrost table during annual freezing of the active layer. |
| Term: | Upward freezing |
| Definition: | The advance of a freezing front upwards from the permafrost table during annual freezing of the active layer |