作者:huang caoling 9 年以前
7759
Water Resources
Water Resources
Water Uses
Agriculture
Irrigation
Drip 95% eff.
Spray 75-95% eff.
Flood 70-80% eff.
Furrow 65% eff.
Hydroponics
Livestock
Industry
Refining metals& paper
Cooling Machinery
Generating electricity
Household needs
Toilet Flushing 1%
Cooking and
drinking 8%
Laundry 35%
Bathing 56%
Surface Water
Lake
Oligotrophic
Mesotrophic
Eutrophic
Ponds
Rivers
Streams
The Future Of Water
Water-saving tech
Recycled waste water
Desalinization
Conservation
water ownership issues
Water Availability
Aqueduct
Dam
Disrupt fish migration
Flood control
Hydroelectric power
Dike
Levee
Ground Water
Artesian well
salt intrusion
cone of depression
Springs
River source
Percolates up
Aquifer
unconfined
confined