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656883
Water on the Land
Descripción
GCSE and A Level (5 Water on the Land (Rivers)) AQA A GCSE Physical Paper 1 Mapa Mental sobre Water on the Land, creado por John Ditchburn el 20/03/2014.
Sin etiquetas
gcse
water and the land
aqa a gcse physical paper 1
5 water on the land (rivers)
gcse and a level
Mapa Mental por
John Ditchburn
, actualizado hace más de 1 año
Más
Menos
Creado por
John Ditchburn
hace más de 10 años
133
10
0
Resumen del Recurso
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
Recursos multimedia adjuntos
Storm_Hydrograph (image/png)
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