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GCSE Geography · key term
The movement of saltwater into freshwater environments or soils.
Used by Edexcel and OCR
Paper 2
Revise: Risks from Coastal Flooding and ErosionEnvironmental damage includes the erosion or submergence of habitats and saltwater intrusion into freshwater ecosystems. Plants and animals adapted to freshwater may not survive increasingly salty conditions. Saltwater flooding also damages agricultural land and can reduce food production.
Specification 2.1c · Paper 1, Paper 3
The movement of salty water into freshwater supplies or soils, which can make water unsuitable for drinking and damage crops.
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Water can reach homes, roads and farmland more easily, while saltwater can enter freshwater supplies and soils. This saltwater intrusion threatens drinking water and crop production.