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Drainage basin
Source
Mouth
River channel
Tributaries
Confluence
Why rivers erode
Hydraulic action
Corrasion
Corrosion (solution)
Attrition
Physical weathering
Chemical weathering
Biological weathering
Mass movement
Soil creep
Slumping
V shaped valleys
Interlocking spurs
Waterfalls
Middle Course
Meanders
Lower course
Ox bow lakes
Floodplains
Levees
Human causes of flooding:
Ploughing
Human causes of flooding:
Vegetation removed
Human causes of flooding:
Dams
Human causes of flooding:
Drainage
Physical causes of river flooding:
Impermeable rock
Physical causes of river flooding:
Sudden rise in temperature
Physical causes of river flooding:
Hot dry weather
Physical causes of river flooding:
Steep valley slopes
Physical causes of river flooding:
Long periods of heavy rainfall
Physical causes of river flooding:
Cloudburst
Effects of Flooding:
USA 2006
Effects of flooding:
Mexico 2007
Effects of flooding:
India 2008
Forecasting and Education
Planning and building designs
Hard engineering
Soft Engineering
Hard engineering techniques:
Embankments
Hard engineering techniques:
Channelissation
Hard engineering techniques:
Flood relief channels
Hard engineering techniques:
Dams
Hard engineering techniques:
Flood walls
Hard engineering techniques:
Storage areas
Soft engineering techniques:
Floodplain zoning
Soft Engineering techniques:
Washlands
Soft Engineering Techniques:
Warning systems
Soft engineering techniques:
Afforestation
Bolivia 2007
Serbia, Romania and Bulgaria 2006
Nepal 2008
Sudan 2007
somalia and Kenya 2007
River Nene, Northampton
River Nene, Northampton:
Effects
River Nene, Northampton:
Embankments
River Nene, Northampton:
Floodwalls
River Nene, Northampton:
Afforestation
River Nene, Northampton:
Warning Systems
River Nene, Northampton:
Washlands
