GEOG Unit 1 – Physical and Human Geography

Core Physical Section

– Rivers, Floods and Management

• The drainage basin hydrological cycle – the water balance
• Factors affecting river discharge:
  • The storm hydrograph
• The long profile – changing processes
  • Types of erosion, transportation and deposition
  • Types of load
  • Hjulstrom curve

• Valley profiles
  • Long profile and changing profile downstream
  • Graded profile
  • Potential and kinetic energy

• Changing channel characteristics

• Landforms of fluvial erosion and deposition:

• Process and impact of rejuvenation:

• Physical and human causes of flooding
  • Case Studies: Location of areas of high risk in a more developed and a less developed country
    • MEDC - Boscastle, UK
    • LEDC - Bangladesh, South Asia

       

• Impact of flooding – two case studies of recent events taken from contrasting areas of the world

• Flood management strategies. Including:
  • Hard engineering