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Uses of Water
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How do we use water? Drinking Growing food producing goods recreation
maintaining healthy ecosystems
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Water Consumption Humans use six times as much water today as they did 100 years ago.
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Developed Countries Use More Water
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Consumptive and Non-Consumptive Use of Water
Non-consumptive – water can be recycled and reused Consumptive - water can not be reused
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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.
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Over head sprinklers
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Trench Irrigation
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Flood Irrigation
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Drip Irrigation Save Water
Water is deposited at the roots of the plants.
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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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