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Year 10 - Geography

The storm hydrograph

River landscapes

Unit Summary

This unit, comprising of three variants, teaches pupils about processes and landforms associated with coastal, river and glacial landscapes. Pupils will learn about the formative processes involved in creating distinctive landforms and of the need for management.

Lesson Summary

You will learn to explain the characteristics and factors affecting the shape of a storm hydrograph.

Key Notes

  • The storm hydrograph shows the relationship between precipitation and discharge.
  • Physical and human factors affect the shape of the storm hydrograph.

Vocabulary To Learn

  • discharge: the volume of water flowing through a river channel at any given time, measured in cumecs
  • infiltration: the process by which water on the ground surface enters the soil
  • lag time: the time between the peak rainfall and the peak discharge
  • drainage density: a measure of how many rivers and streams there are within a given area. A high drainage density indicates many streams and rivers in the given area

Common Mistakes To Avoid

  • A storm hydrograph shows rainfall.

3 Quick Questions (With Answers)

1. Explain this geography topic using two clear key points.

The storm hydrograph shows the relationship between precipitation and discharge. Physical and human factors affect the shape of the storm hydrograph.

2. Define this geography term and use it in an example. 'discharge'

the volume of water flowing through a river channel at any given time, measured in cumecs.

3. Correct this common geography misunderstanding.

Mistake: A storm hydrograph shows rainfall. Correction: A storm hydrograph shows river discharge changes over time, not just rainfall.

More Lessons In This Unit

Browse all guides in the Year 10 Geography guide library.