Geography A-Level
Water Balance
What Water Balance means in Geography A-Level, as defined for Pearson Edexcel.
Definition of Water Balance
The quantitative expression of the hydrological cycle within a basin, defined by the equation P = Q + E +/- ΔS.
Topics that use Water Balance
- The Water Cycle and Water Insecurity (Pearson Edexcel A-Level)
Related terms
- Albedo Feedback
- Anthropogenic Modification
- Aquifer
- Clausius-Clapeyron Relationship
- Cryosphere
- Drainage Basin Dynamics
- Eustatic Sea Level Rise
- Eutrophication
Using Water Balance in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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