Zusammenfassung der Ressource
Water on the Land
- How do river valleys
change downstream?
- Processes of erosion
- Hydraulic Action
- Abrasion
- Attrition
- Solution
- Processes of Transportation
- Traction
- Saltation
- Suspension
- Solution
- Deposition
- Profiles
- Long profile
- Changes downstream
- Cross profile
- Changes across
the channel
- Distinctive landforms
- Resulting from erosion
- Waterfalls and gorges
- River Tees
- Upper Course
- Middle Course
- Lower Course
- Resulting from erosion
and deposition
- Meanders and ox-bow
lakes
- Resulting from deposition
- Levees and floodplains
- Fluctuating water levels
in rivers
- Movement of water in
drainage basins
- Channel flow
- Groundwater flow
- Throughflow
- Percolation
- Groundwater
- Soil moisture
- Infiltration
- Surface storage
- Surface runoff
- Interception
- Transpiration
- Evaporation
- Precipitation
- Factors affecting river
discharge
- Amount and type of rainfall
- Temperature
- Previous weather conditions
- Rock type
- Land use
- Storm Hydrographs
- Why do rivers flood?
- Causes
- Prolonged rainfall
- Heavy rain
- Snowmelt
- Steep relief
- Soil erosion
- Frequency
- Increasing frequency
in UK
- East Coast 1953
- Northampton 1998
- River Severn 2007
- South West England 2014
- Why do responses
to flooding vary?
- Rich World
Cockermouth Cumbria
November 2009
- Causes,
effects,
responses
- Poor World
Bangladesh
2004
- Causes,
effects,
responses
- Hard and soft
engineering responses
to flooding
- Hard engineering
- Dams
- 3 Gorges Dam, China
- Reservoirs
- Straightening meanders
- Soft engineering
- Flood warning system
- Northampton St. James
- Floodplain zoning
- How are rivers in the UK
managed to provide
water supply?
- Water consumption
- Greater in south-east
- Rainfall
- Less in south-east
- Water stress
- Water Transfer
- Kielder water