River 2D: water table low

3D cross-section of a river showing groundwater transport

Cross-section of a river showing a high water table

Illustration of a stream with river valley and water table

River 3D: watershed with mountains and water table

River 3D: catchment

Illustration of water table base

Illustration of river base with urban paving and low water level

Illustration of stream base with springs and perched water table