The hydrological cycle influences water budgets and river systems at a local scale (Edexcel A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Water balance equation
Water balance equation
P = Q + E ± S
Unit for measuring river discharge
Unit for measuring river discharge
Cumecs
What does a storm hydrograph show?
What does a storm hydrograph show?
Variation of discharge in short period (usually one storm)
Lag time
Lag time
Time between peak rainfall and peak discharge
Flashy hydrograph characteristics
Flashy hydrograph characteristics
Steep limbs, high peak discharge, short lag time
Most significant factor increasing flood risk
Most significant factor increasing flood risk
Urbanisation
Climate causing flashy hydrograph
Climate causing flashy hydrograph
Intense storm exceeding infiltration capacity
Rock type for flashy river
Rock type for flashy river
Impermeable rocks (e.g. granite)
Basin size for flashy river
Basin size for flashy river
Small
Urbanisation surface materials
Urbanisation surface materials
Concrete and tarmac (both impermeable)