Freshwater+resources

Freshwater+resources - Fresh Water Resources Waterbasic...

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Unformatted text preview: Fresh Water Resources Waterbasic knowledge Made up of 2 hydrogen and 1 oxygen We can live without food for 50-60 days, but cant live without water for only 1-2 days. Water resources are scarce Can you imagine life without water? Thats why we dont live on Mars!!! Have you ever seen a mouse on Mars? 3 stages: Gas, liquid, solid The water cycle: renewable resource What do we use water for? What do we use water for? Drinking Washing Showers Cooking Industries Making Beer, of course!! pretty much everything How much water do we have? Keep in mind we have lots of water on the earth, but only tiny percentage is usable/consumable. Water: too much or too little? Too much Floods Hurricanes After winning a football game? Water: too much or too little? Some people in the 3 rd world countries have to carry water for a couple of miles to their homes. Droughts Polluted water World Problems Availability of fresh water Availability of clean, fresh water Distribution of the resource There is NO alternative for fresh water There is NO alternative for fresh water There is NO alternative for fresh water Poor vs. rich countries Dam constructions p. 3 Save water, drink beer? Case Study Mexico Citys Water Supply p. 4-8 FOCUS ON MEXICO CITY Mexico City ~ 20 Million Location: the central part of the trans-Mexican volcanic belt Approx. 7,500 km Basin altitude: 2,200 m ( high ) p. 4 Mexico City Surrounded by mountains > 5,000 meters Average air temp: 60 F 700 mm rain from a few storms June to September No rivers run through the city p. 4 High, landlocked basin surrounded by mountains Water consumption Daily in 2000 = 3.024 million liters (app. 800,000 gallons) Where is the supply to support 20 mil people?...
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This note was uploaded on 11/14/2011 for the course GEA 2284 taught by Professor Annaszyniszewska during the Fall '11 term at University of Florida.

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Freshwater+resources - Fresh Water Resources Waterbasic...

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