Hydrology - Case Studies
- Created by: HPG
- Created on: 04-04-24 16:48
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- Hydrology - Case Studies
- Soil Budget Graph
- Malaga
- Fruit and Veg for the tourist industry
- Evaporation exceeds precipitation from April to October
- Deficit from June to October = Crops cant grow without irrigation
- Evaporation exceeds precipitation from April to October
- Fruit and Veg for the tourist industry
- Malaga
- Factors Affecting a Drainage Basin
- Precipitation
- The Ganges
- 110 cm of rain a year
- Monsoon season June to October
- Monsoon Season Peak = 36,000 M^3 Discharge
- Outside monsoon season = 1,000 M^3
- Monsoon season June to October
- 110 cm of rain a year
- The Ganges
- Snowmelt
- Rocky Mountains - Colorado River
- High levels of snowfall in winter that gathers on surface
- Thaw begins in Spring = Snow melts and goes into tributaries
- January - 200 M^3
- June - 2,300 M^3
- Thaw begins in Spring = Snow melts and goes into tributaries
- High levels of snowfall in winter that gathers on surface
- Rocky Mountains - Colorado River
- Vegatation
- Amazon River
- Canopy of rainforest can have interception rates of up to 50%
- Reduced overground flow
- Canopy of rainforest can have interception rates of up to 50%
- Amazon River
- Land Use
- London
- 600-700 mm a year
- Impermeable surfaces such as concrete
- This mixed with drainage transports water quickly to the Thames
- Impermeable surfaces such as concrete
- 600-700 mm a year
- London
- Relief/Shape
- Boscastle
- Steep relief on the sides of the village of Boscastle in 2004
- Infiltration couldn't occur
- Water quickly filitered downwards = Discharge quick peak
- Infiltration couldn't occur
- Steep relief on the sides of the village of Boscastle in 2004
- Boscastle
- Precipitation
- Soil and Rock Type
- River Avon
- Chalk - Permeable
- River Dart
- Granite - Impermeable
- River Avon
- Deltas
- Arcuate
- Niger Delta
- Fan Shaped - Low tidal Range - Sediment moving in one direction
- Cuspate
- Arrowhead shape - Low Tidal Range - two offshore currents -
- Ebro Delta - Barcelona
- Birds Foot
- Low Tidal Range - River current is strong - no clear offshore current
- Mississippi Delta - Gulf of Mexico
- Gulf weakens the current and tidal range
- Mississippi river third largest discharge in the world
- Arcuate
- Human Impact - Hydrological Cycle
- Precipitation - Cloud Seeding
- Artificial particles are added to air so large water droplets can attach
- Australia
- Increased rainfall by 10-30% in rural areas
- Aided Farming
- Increased rainfall by 10-30% in rural areas
- Water Storage - Dams Etc
- 48,000 Dams in the world
- Aswan Dam
- Has reduced water flowing through the nile in Egypt
- The resovoir behind the Dam loses 30% of the niles water through Evaporation
- Has reduced water flowing through the nile in Egypt
- Transfer Schemes
- UK
- Kielder Resovoir on the border of Scotland and England is transported to London
- UK
- Precipitation - Cloud Seeding
- Soil Budget Graph
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