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Water Conservation

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  1. Water Conservation

  2. Asheville’s primary water source: The North Fork Reservoir

  3. Serving parts of South Asheville: The French Broad River

  4. Outside of city limits, aquifers provide our drinking water

  5. Central pivot irrigation

  6. The Ogallala Aquifer • Is used to support our nation’s breadbasket • Is located beneath the high plains and covers a vast area that is largely dry • Is symbolic of the overuse of aquifers • http://www.youtube.com/watch?v=XwfDN_gA5Uk

  7. Potential complications with large dams • Destroy plant and animal habitat • Impacts fish migration (salmon, eels) • Still water has less oxygen and more methane • Increased evaporation • Increased salinity in some areas • Border disputes may arise • May impact peoples’ homes, cultural resources

  8. The Road to Nowhere

  9. Three Gorges Dam • Largest Dam in the World • Now Fully Operational • Opposed by Many Environmentalists • Benefits of Dam: • Hydroelectricity • Flood control • Facilitates shipping United Streaming Video Highlights Project

  10. Three Gorges Dam, 2010

  11. Big Ideas to Provide More Freshwater • Seeding Clouds (why is this crazy?) • Towing iceburgs (why is this crazy?) • Desalination of ocean water (not so crazy, but expensive)

  12. Cloud seeding

  13. Desalination In Tampa Bay

  14. Ways to Conserve Fresh Water • Agriculture: drip irrigation, soaker hoses, mulches, cover crops • Industry: discourage building on wetlands and floodplains; encourage gray water recycling • Domestic use: class brainstorm