Ecosystem Water Balance
Balancing water inflows and losses from an ecosystem involves the application of either mass or energy conservation principles. The quantitative methods, hydrometric (water budgeting) and physical (energy budgeting), may be used singly or in concert to describe water movements and phase changes that reflect interactions of physical and biological mechanisms. The relevant laws and formal relationships are conceptually adequate, and extremely useful in identifying and quantifying the hydrologic effects of human modifications of ecosystems, but observational problems impose some practical limitations.
KeywordsEnergy Budget Water Yield Ecosystem Water Storage Change Water Balance Component
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