Run-off Variation (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the discharge if a river has a cross-sectional area of 15 m² and velocity of 3 m/s?
What is the discharge if a river has a cross-sectional area of 15 m² and velocity of 3 m/s?
45 m³/s
How many gauging stations monitor river discharge across the UK?
How many gauging stations monitor river discharge across the UK?
Around 1,500
What does river regime describe?
What does river regime describe?
Variability in discharge throughout year
When do UK rivers typically experience their discharge minimum?
When do UK rivers typically experience their discharge minimum?
Late summer or early autumn
When does the Mohawk River reach its annual peak discharge?
When does the Mohawk River reach its annual peak discharge?
Spring (April) as snow melts
How does permeable chalk affect the River Lambourn's flow?
How does permeable chalk affect the River Lambourn's flow?
Acts as natural reservoir, steady flow
What is lag time on a storm hydrograph?
What is lag time on a storm hydrograph?
Delay between peak rainfall & discharge
What is bankfull discharge?
What is bankfull discharge?
Max discharge without overflowing banks
Why do circular drainage basins produce flashier hydrographs?
Why do circular drainage basins produce flashier hydrographs?
Water from all areas arrives together
What hydrograph characteristics does urbanisation create?
What hydrograph characteristics does urbanisation create?
Shorter lag, steeper limbs, higher peak