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Topics for today

Topics for today

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Topics for today

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Presentation Transcript

  1. Topics for today • Erosion and precipitation • Movie about landslides • Hydrology Chapter 9 • 1.1. Overview • 1.2 Hydrologic cycle (p 246-250) • 1.3 Water recourses • Water use • Water in the west • 1.4 Legal considerations – water rights • Allocation of water • Colorado case

  2. Water in the west

  3. Historical perspective • “Pike described the lands he had seen as “The Great American Desert,” a name and an image which stuck to the area for over 50 years. He recalled that the deserts were like those of Africa, and that there were “tracts of many leagues where the wind had thrown up the sand in all the fanciful form of the ocean’s rolling wave; and on which not a speck of vegetable matter existed.”Zebulon Pike (early 1800s) • “Great American desert” Stephen Long • “Go west young man” Horace Greeley • “Rain follows the plow” Unknown source

  4. John Wesley Powell