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Do now. Jack Nicholson’s first major movie was Chinatown. Why is this clip important? What is the time frame? Could this issue occur today?. Homework.

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Do now

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  1. Do now • Jack Nicholson’s first major movie was Chinatown. Why is this clip important? What is the time frame? Could this issue occur today?

  2. Homework • As of tomorrow, you must go to the Wiki Site to get your homework. Specific questions will be incorporated and / or you will be asked to email me that you obtained the homework from the web site. • I want you utilize the web site since I spend a great deal of time updating it. • Vocab Words: • 96. NEPA – National Environmental Policy Act - • 97. Global Change Biology • 98. TB – Tuberculosis • 99. Fish Kills • 100. Walter Reed – the person, not the Army Hospital • Due Friday • Reading pages 400 – stop at 408 How we use water

  3. New Material • Read pages 401 to 402 stopping at Freshwater Systems. After reading we will discuss it. • After reading the section on the Colorado River water use. Should Las Vegas be able to take more water than they were allotted from a contact. • If you were one of the Senators from Nevada, would you go to Congress asking for the contract to be lifted? Discuss at your tables • What are the impacts of breaking the contract (include pro as well as con)? • Could it lead to a situation such as what happened to the Aral Sea?

  4. What are these pictures of? How and why did this happen?

  5. New Material • The amount of water available on the planet.

  6. New Material • Water moves by traveling through the course of least resistance. Often forming things such as an oxbow.

  7. At your tables, discuss the following topics: • Is this picture below real? • What is the negative impact of building a dam for hydroelectric power? • Why was Hurricane Katrina so devastating?

  8. New Material • What is the negative impact of building a dam for hydroelectric power? • Prevents water from carrying nutrients down stream. Also, re-directs water at the cost of the ecosystem • Why was Hurricane Katrina so devastating? • Below water already, once Levees were breached the water went to the path of least resistance. Difficult to get rid of the water. • Is this picture below real? Yes, the Saudis were trying to get freshwater to the desert. • http://www.time.com/time/magazine/article/0,9171,915637-1,00.html

  9. New Material • Floodplain –

  10. New material • Wetlands three types: • 1. Freshwater bogs

  11. New material • Freshwater bogs formation

  12. New material • Wetlands three types: • 2. Freshwater marsh

  13. New Material • Wetlands three types: • 3. Freshwater swamp

  14. New Material • Explain the purpose of wetlands? • Limnetic Zone – sunlight penetrates, great deal of life and photosynthesis • Profundal zone – Darker (but not pitch black) where sunlight cannot get through. Little plant life here, plants would have to reach up through to the Limnetic Zone to survive • Benthic zone – bottom of the pond / lake. Feels silty from decomposing leaves, sticks,… high nutrient, but low O2

  15. Zone of the pond / lake

  16. New material • Discuss and define the following with the use of your notes as a table: • Water table • Artesian Well • Unconfined Aquifer • Ogallala Aquifer (where is it located?) • Impact of available water due to Global Climate Change

  17. New material • Consumptive versus non-consumptive use • Diagram on page 409 – explain what is happening by only

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