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Uses of Water
How do we use water?
• Drinking • Growing food• producing goods• recreation• maintaining healthy
ecosystems
Water Consumption
• Humans use six times as much water today as they did 100 years ago.
Developed Countries Use More Water
Consumptive and Non-Consumptive Use of Water
• Non-consumptive – water can be recycled and reused
• Consumptive - water can not be reused
Agriculture
• Irrigation of crops can waste water.–Overhead
sprinklers–Trench irrigation–Flood irrigation
• Between 15% and 36% of the water evaporates before it reaches the crops.
Over head sprinklers
Trench Irrigation
Flood Irrigation
Drip Irrigation Save Water
• Water is deposited at the roots of the plants.
Aquaculture – Fish Farms
• Raising fish on farms is good for the food supply but these farms can cause problems to our water supply.
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