turb - vado
- turbid proglacial upwelling
- turbid water
- turbulent flow
- turbulent heat exchange
- turbulent mixing
- unbroken slush field
- under head
- undercooling
- underflow
- underground lake
- underice tunnel
- undulatory long profil of channel
- unfreezable water
- unfrozen
- uniform channel
- uninhibited drainage from glacier bed
- unpermeability
- unstable channel
- unstable lake
- unstable lake floor
- up-glacier expantion of en\/subglacial drainage system
- upstream migrating moulins
- upward-branching arborescent network
- upward-branching arborescent network of conduits
- upward-branching tubular channels
- upward-sloping passages
- upwelling of silt-laden water
- upwelling of water
