| Term: | Isolated patches of permafrost |
| Definition: | Permafrost underlying less than 10% of the exposed land surface. |
| Term: | Isolated patches of permafrost |
| Definition: | Permafrost underlying less than 10 percent of the exposed land surface |
| Term: | Isolated patches of permafrost |
| Definition: | Permafrost underlying less than 10% of the exposed land surface. Individual areas of Permafrost are of limited areal extent, widely separated, and are completely surrounded by Unfrozen Ground. |