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Local examples

Question of the day: 1. What are some examples of local dams and reservoirs? 2. What are the benefits of dams? 3.What are the disadvantages of dams?. Local examples. Dams and Reservoirs. Benefits: Ensure year-round supply of water with regulated flow Generate electricity

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Local examples

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  1. Question of the day: 1. What are some examples of local dams and reservoirs? 2.What are the benefits of dams? 3.What are the disadvantages of dams?

  2. Local examples

  3. Dams and Reservoirs • Benefits: • Ensure year-round supply of water with regulated flow • Generate electricity • Provide recreational activities • Disadvantages • Alter the ecosystem • Reduce sediment load

  4. Dams and Reservoirs- Problems created by them • Salmon Population in Columbia River very low due to dams that impede migration • Fish ladders help, but are not effective enough

  5. Movement of Dam Removal • http://www.youtube.com/watch?v=H9wJOAtSk6s&safety_mode=true&persist_safety_mode=1&safe=active

  6. Salmon Run Game

  7. Dams and Reservoirs • Glen Canyon Dam • Regulated flow has changed ecosystem • To rectify situation • Canyon has been flooded several times • Small floods compared to natural floods • Still helps rebuild habitat

  8. Read pgs. 340-347 • Questions: Who is in charge of building dams in the US? • What was one main reason for the building of dams? Which rivers/river communities were they trying to protect? • What is the controversy behind the Meramec Dam? What was a local controversy over dam building? • Explain our states unique circumstances with the Delaware River Basin.

  9. Questions from pg. 340-347 • Describe how dams provided easier travelling along the river. • What are the advantages/disadvantages of hydropower?

  10. The plight of the salmon

  11. Delaware River Basin Commission Report on Gas well drilling in the basin • http://www.phillyburbs.com/news/news_details/article/28/2010/december/10/debate-expected-over-gas-drilling-rules.html

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