Urban Drainage (AQA A-Level Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
What urban drainage removes
What urban drainage removes
Surface water runoff from built-up areas
Precipitation pattern in urban areas
Precipitation pattern in urban areas
Greater amounts & greater intensity than rural areas
Effect of impermeable urban surfaces
Effect of impermeable urban surfaces
Prevent infiltration, cause rapid runoff
Flashy discharge meaning
Flashy discharge meaning
River rises/falls quickly, high peaks, low base flow
Post-urban hydrograph characteristics
Post-urban hydrograph characteristics
Steep rising limb, short lag time, high peak discharge
Asian population at flood risk by 2025
Asian population at flood risk by 2025
350 million
LA River engineering approach
LA River engineering approach
Fail-safe concrete channel
SUDS definition
SUDS definition
Sustainable urban drainage mimicking natural processes
Water butts purpose in SUDS
Water butts purpose in SUDS
Collect roofwater, reduce volume entering drainage system
Bioswale rain gardens function
Bioswale rain gardens function
Capture water, allow infiltration, filter pollutants