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GCSE Geography · key term
The sinking or settling of the ground surface, which can occur when groundwater is removed.
Used by AQA, Edexcel and OCR
Specification 3.1.2.4 · Paper 1
The sinking or settling of the ground, which can damage buildings and transport routes.
Revise: Opportunities and Challenges for Development in Cold EnvironmentsHeat from buildings or infrastructure can therefore undermine their own foundations, causing subsidence and damage.
Specification 2.8, 6.12 · Paper 1, Paper 2
The sinking or settling of the ground; during drought, excessive groundwater extraction can contribute to this.
Revise: Comparing the Impacts of DroughtFalling groundwater levels contributed to subsidence, where the ground settles to a lower level, damaging properties. Some people paid private companies to drill wells. Wildfires destroyed homes, leaving people homeless, while rebuilding costs and expensive insurance made recovery difficult.
The sinking of the ground surface, which can occur when excessive groundwater removal affects the material beneath it.
Paper 1
The downward movement of air in the atmosphere, associated with high pressure at the surface.
Specification 1.1b · Paper 1, Paper 3
Revise: Extreme Weather Case StudiesIn affected areas, the ground settled, causing subsidence that damaged property. Accessing another water source therefore helped meet immediate needs but created further problems.
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