Water Use and Management WHO – 1,000,000,000+ people lack access to fresh water 10,000,000+ people...
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Transcript of Water Use and Management WHO – 1,000,000,000+ people lack access to fresh water 10,000,000+ people...
![Page 1: Water Use and Management WHO – 1,000,000,000+ people lack access to fresh water 10,000,000+ people die annually from water- related diseases.](https://reader038.fdocuments.us/reader038/viewer/2022110100/56649e1a5503460f94b0786d/html5/thumbnails/1.jpg)
Water Use and Management
• WHO – 1,000,000,000+ people lack access to fresh water
• 10,000,000+ people die annually from water-related diseases
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Global Water Use
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Residential Water Use
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Water Treatment
• Performed to remove pathogens (disease-causing organisms) and toxins from water
• Water is treated to become potable – suitable for drinking
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Drinking-Water Treatment
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Industrial Water Use
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Industrial Water Use
• Most water used in industry -used to cool power plants.– pump water from river or a
lake– carry water through cooling
tower– return water to river or lake.
• Returned water is warmer than the source, but is clean and can be reused.
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Agricultural Water Use
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Irrigation
• Provides crops with water from sources other than precipitation.
• Techniques:– Shallow ditches– Overhead sprinklers • Most water evaporates before reaching plant roots
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Water Management Projects
• Designed for areas with inadequate surface water
• Provide water to dry areas.• Ex. SRP allows people to live and grow crops in
desert areas.– Provide water– Generate electric power
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Water Diversion Projects
• Divide rivers into canals to supply water to arid regions.
• Ex. Colorado Watershed
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Dams and Reservoirs
• Dam - structure built across a river to control a river’s flow.
• Reservoir - body of water that forms behind a dam.– Used for drinking water, irrigation, recreation, and
industry.
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Dams and Reservoirs
• Hydroelectric dams use the power of flowing water to generate electrical energy.