shap - slow
- shape of subglacial channels
- shaped channel
- shear plane
- shear-structure drainage
- sheet flow
- sheet flow at glacier bed
- sheet-flow at ice\/bedrock interface
- sheet-like water layer
- sheetflood events
- short-lived changes in drainage configuration
- shrunken conduits
- silt-laden water
- single tunnel
- single-tunnel model
