The sloping side of any hollow in the ground, especially when bordering a river. (Source: CED)

Rainfall that is stored on a vegetation canopy and later evaporated back to the atmosphere.

Basins and ponds store surface run-off.ﾠ Detention basins are free from water in dry weather flow conditions but ponds (e.g., retention ponds, flood storage reservoirs, shallow impoundments) contain water in dry weather, and are designed to hold more when it rains.
- Based on Stella definitions, adapted by NWRM project experts and validated by the European Commission