perm - pond
- permafrost damming of thermokarst lake
- permanent subglacial channel system
- permeability
- permeability coefficient
- permeability of ice
- permeability of ice due to fractures, moulins and tunnels
- permeability of saturated snowpark
- persistent subglacial conduit system
- phase conversions
- phase-change
- phase-change phenomena
- phreatic aquifer
- phreatic surface
- phreatic water