pingo

From EngHydroDic
Revision as of 01:29, 21 November 2009 by Ihb (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Small conical hills having a large central core of ice formed from the encroachment of permafrost and the resulting hydrostatic pressure.

Personal tools