line - lowe
- line of flow
- link
- linked cavities
- linked cavity flow
- linked cavity system
- linked-cavity system
- linking channels
- linking pasageways
- liquid phase
- liquid phase content
- liquid-water content
- liquid-water stored within glacier
- living mill
- local catchment basin
- local surface-water bodies
- localization of ablation in vicinity of holes and fissures
- locus of outflow concentration
- long-surviving mill
- longitudinal crack
- loss due to ice storage
- loss of head
- lost river
- low discharge tunnel
- low pressure drainage system
- low-permeability zone
- low-pressure cavities beneath glacier
