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NotesGeographyTopic 7.1
Unit 7 · Option A: Freshwater - drainage basins · Topic 7.1

IB Geography — Drainage basin hydrology and geomorphology

Topic 7.1 of IB Geography covers Drainage basin hydrology and geomorphology, which is part of Unit 7: Option A: Freshwater - drainage basins. Students explore key concepts including The drainage basin as a system, River discharge and hydrographs, River processes and landforms. A strong understanding of drainage basin hydrology and geomorphology is essential for IB Geography exams and builds the foundation for connected topics across the syllabus.

Exam technique guidePractice questions

What you'll learn in Topic 7.1

  • 7.1.1 The drainage basin as a system
  • 7.1.2 River discharge and hydrographs
  • 7.1.3 River processes and landforms
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 7.1 Drainage basin hydrology and geomorphology

7.1.1

The drainage basin as a system

Notes
7.1.2

River discharge and hydrographs

Notes
7.1.3

River processes and landforms

Notes

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Topic 7.1 Drainage basin hydrology and geomorphology forms a core part of Unit 7: Option A: Freshwater - drainage basins in IB Geography. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

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