Uses of Water.

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Presentation transcript:

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.