BoreholeGroundwaterabstraction

Reservoir & dam

Agricultural wateruse & runo�

Industrial wateruse & disposal

Domestic wateruse & disposal

Runo�

Runo�

Condensation

Evapotranspiration

Evapotranspiration

Precipitation (rain & snow)ICE AND SNOW

Melt-runo�

WATER VAPOUR (CLOUDS)

SEAWATER

SALINE GROUNDWATER

FRESH GROUNDWATER

Groundwater �ow

In�ltration Evaporation

EvaporationSurface water �ow

The water cycle including some human activity