geography

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  • AS Geography
    • Human
      • Core human section: Population change
      • Optional human topics: Food supply issues
      • Optional human topics: Energy issues
      • Optional human topics: Health issues
    • Physical
      • 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
          • Types of transportation
          • Types of deposition
          • Types of load
          • The Hjulstrom curve
        • Valley profiles
          • Kinetic energy
          • Potential energy
          • graded profile
          • Long profile and changing cross profile downstream
        • Changing channel characteristics
          • Cross profile
          • Wetted perimeter
          • Hydraulic radius
          • Roughness
          • Efficiency
          • Velocity
          • Discharge
        • Landforms of fluvial erosion and deposition
          • Deltas
          • Flood plains
          • Levees
          • Braiding
          • Meanders
          • Gorges
          • Waterfalls
          • Rapids
          • Potholes
        • Process and impact of rejuvenation
          • Knick points
          • Waterfalls
          • River terraces
          • incised meanders
        • Magnitude
          • Frequency analysis of flood risk
        • Physical and human causes of flooding
          • Two case studies of recent flooding events should be undertaken from contrasting areas of the world
        • Impact of flooding
          • Two case studies of recent flooding events should be undertaken from contrasting areas of the world
        • Flood management strategies
          • Hard engineering
            • Diversion spillways
            • Building up of levees
            • Straightening
            • Dams
          • Soft engineering
            • River restoration
            • Wetland and river bank conservation
            • Land use management on floodplain
            • Forecasts and warnings
      • Optional physical topics: Cold environments
      • Optional physical topics: Coastal environments
      • Optional physical topics: Hot desert environments and their margins

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