| Term: | Open-system pingo |
| Definition: | A pingo formed by doming of frozen ground; caused by groundwater that moves downslope through taliks and onto the pingo surface, where it freezes. |
| Term: | Open-system pingo |
| Definition: | A pingo formed by doming of frozen ground due to freezing of injected water supplied by groundwater moving downslope through taliks to the site of the pingo, where it moves towards the surface |