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419817
Colorado River Mindmap
Description
A Levels Geography (Rivers) Mind Map on Colorado River Mindmap, created by beccak432 on 05/12/2013.
No tags specified
a levels
geography
rivers
geography
rivers
a levels
Mind Map by
beccak432
, updated more than 1 year ago
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Created by
beccak432
almost 11 years ago
89
0
0
Resource summary
Colorado River
Western USA
Arizona
Phoenix
Wyoming
Colorado
California
Nevada
Las Vegas
Utah
New Mexico
Source
Rockies/Wind River Range
Snowmelt
Fold Mountains
Dams
Hoover (1933)
+ 19 others
Reduce flood risk
Produce HEP
Arid Environment
Surface susceptible to erosion
Precipitation lost to evaporation
Less than 25mm per annum
Rain shadow
10km² discharge per annum
Irrigation for 7 states
Drip feed most effective
Flood least effective
Upper Colorado
Less water used
Lower Colorado
More water used
Industry
Domestic
Swimming pools
Agriculture
V shaped channel...
Ideal for dams/storage reservoirs
Large, angular load
Eroded by attrition/abrasion
Deposited at dam
Material build up
Aggradation
'Archimedes screw'
Removes silt
Clear water passes through
No load
Erosion lowers river bed
Degradation
Salinity
Natural salts dissolve in water
Moves to surface by capillary action
Water evaporates
Salt crystals left
Inhibits plant growth
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