Human activity (Edexcel GCSE Geography A): Flashcards
📚Flashcards
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14 cards from this deck
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Practise the cards
14 cards from this deck
Urban surfaces that stop water soaking in
Urban surfaces that stop water soaking in
Impermeable surfaces
Urban result of impermeable surfaces on water flow
Urban result of impermeable surfaces on water flow
Increased surface run-off
Effect of urbanisation on river discharge rates
Effect of urbanisation on river discharge rates
Higher discharge rates
Capacity lost when building on floodplains
Capacity lost when building on floodplains
Natural flood storage capacity
Process where rivers forced into channels/pipes
Process where rivers forced into channels/pipes
Channelisation
Natural processes prevented by channelisation
Natural processes prevented by channelisation
Erosion and deposition
Agricultural systems that speed water to rivers
Agricultural systems that speed water to rivers
Field drainage systems
Effect of deforestation on water reaching rivers
Effect of deforestation on water reaching rivers
Water reaches rivers more quickly
Vegetation catching rainfall before it hits ground
Vegetation catching rainfall before it hits ground
Interception
Farming practice removing water from rivers
Farming practice removing water from rivers
Water abstraction for irrigation
Effect of ploughing on sediment in rivers
Effect of ploughing on sediment in rivers
Increases sediment load
Industrial effect on river discharge
Industrial effect on river discharge
Lower discharge rates
Three main human impacts on rivers
Three main human impacts on rivers
Urbanisation, agriculture, industry
Chain reaction of changes in river systems
Chain reaction of changes in river systems
Cascading effects