Water and Carbon Cycles (AQA A-Level Geography): Flashcards
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Practise the cards
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Water balance equation
Water balance equation
P = Q + E + S
Primary input in drainage basin
Primary input in drainage basin
Precipitation
Potential evapotranspiration meaning
Potential evapotranspiration meaning
Max water loss if unlimited water available
Soil moisture recharge occurs when
Soil moisture recharge occurs when
Precipitation exceeds potential evapotranspiration
Soil moisture deficit phase
Soil moisture deficit phase
Soil store depleted, P can't keep pace with PE
Soil moisture surplus happens when
Soil moisture surplus happens when
P >> E and all soil storage full
Bankfull definition
Bankfull definition
Max discharge a river can carry without flooding
Base flow
Base flow
Normal day-to-day discharge of a river
Lag time
Lag time
Delay between peak rainfall and peak discharge
Discharge calculation
Discharge calculation
Cross-sectional area × velocity