Over-abstraction
What Over-abstraction means in Geography GCSE, as defined for Pearson Edexcel.
Definitions of Over-abstraction
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Reference: Pearson Edexcel
When water is being used or extracted from an aquifer or river faster than it can be naturally replenished.
When water is taken from aquifers, groundwater, or rivers faster than it can be naturally replenished.
When water is pumped from underground aquifers faster than it can be naturally recharged by rainfall.
Topics that use Over-abstraction
- Meeting the demands for water resources could involve technology and interventions by different interest groups (Pearson Edexcel GCSE)
- The causes of drought are complex with some locations more vulnerable than others (Pearson Edexcel GCSE)
- The supply of fresh water supply varies globally (Pearson Edexcel GCSE)
Related terms
- Water Stress
- Aquifer
- Desalination
- Economic Water Scarcity
- Global Atmospheric Circulation
- Meteorological Drought
- Physical Water Scarcity
- Transpiration
Using Over-abstraction in the exam
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