water budget 1) A summation of inputs, outputs, and net changes to a particular water resource system over a fixed period. Also, water balance model. 2) A method of assessing the size of future water resources in an aquifer, catchment area, ...
Water budgets are badly out of balance, throwing many regions into water debt. The water depleted annually could feed 940 million people for a year.
"Fossil" Groundwater Running Out ...
See also: River, Resource, Runoff, Liquid, Water