Colorado River Mindmap

Colorado River

Western USA
1. Arizona
  1. Phoenix
2. Wyoming
3. Colorado
4. California
5. Nevada
  1. Las Vegas
6. Utah
7. New Mexico
Source
1. Rockies/Wind River Range
  1. Snowmelt
  2. Fold Mountains
Dams
1. Hoover (1933)
2. + 19 others
3. Reduce flood risk
4. Produce HEP
Arid Environment
1. Surface susceptible to erosion
2. Precipitation lost to evaporation
  1. Less than 25mm per annum
    1. Rain shadow
10km² discharge per annum
1. Irrigation for 7 states
  1. Drip feed most effective
  2. Flood least effective
Upper Colorado
1. Less water used
Lower Colorado
1. More water used
  1. Industry
  2. Domestic
    1. Swimming pools
  3. Agriculture
V shaped channel...
1. Ideal for dams/storage reservoirs
  1. Large, angular load
    1. Eroded by attrition/abrasion
      1. Deposited at dam
        Material build up
        Aggradation
  2. 'Archimedes screw'
    1. Removes silt
  3. Clear water passes through
    1. No load
      1. Erosion lowers river bed
        Degradation
Salinity
1. Natural salts dissolve in water
  1. Moves to surface by capillary action
    1. Water evaporates
      1. Salt crystals left
        Inhibits plant growth

Resumo de Recurso

	Criado por beccak432 quase 11 anos atrás