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Tracking the water supply in Lake Mead and Lake Powell

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Graphics and slides showing changes in Lake Mead and Lake Powell, two reservoirs on the Colorado River.

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Tracking the water supply in Lake Mead and Lake Powell

  1. 1. Tracking the water supply in Lake Mead and Lake Powell 8/21/2013
  2. 2. Lake Mead July 1 elevation: 1935-2013 2Source: Bureau of Reclamation
  3. 3. Lake Powell daily elevation: 1964-2013 3Source: Bureau of Reclamation
  4. 4. Lake Powell: historic and projected elevations 4Source: Bureau of Reclamation
  5. 5. 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 FLOW(1000CFS) Feb. 1935 Storage begins at Lake Mead July 1941 Lake Mead fills Mar 1963 Storage begins at Lake Powell June 1980 Lake Powell fills Dams dramatically alter natural hydrograph 5 Flow below Hoover Dam: 1906 - 2007 1983 floods Source: Bureau of Reclamation
  6. 6. Lake Powell and Lake Mead storage 6Source: U.S. Climate Change Science Program/Bureau of Reclamation
  7. 7. 7 1,200 years of drought in the West Source: U.S. Climate Change Science Program
  8. 8. Recent droughts less severe for Colorado River 8 History of Colorado River Flow Source: U.S. Climate Change Science Program
  9. 9. Lake Powell 9 Source: U.S. Climate Change Science Program/ Photos by John Dohrenwend
  10. 10. Lake Powell 10 Source: U.S. Climate Change Science Program/ Photos by John Dohrenwend
  11. 11. Lake Powell 11 Source: U.S. Climate Change Science Program/ Photos by John Dohrenwend
  12. 12. 1999 1999 NASA 12Source: NASA
  13. 13. 2000 2000 NASA 13Source: NASA
  14. 14. 2001 2001 NASA 14Source: NASA
  15. 15. 2002 2002 NASA 15Source: NASA
  16. 16. 2003 2003 NASA 16Source: NASA
  17. 17. 2004 2004 NASA Hite Marina 17Source: NASA
  18. 18. 2005 2005 NASA 18Source: NASA
  19. 19. 2006 2006 NASA 19Source: NASA
  20. 20. 2007 2007 NASA 20Source: NASA
  21. 21. 2008 2008 NASA 21Source: NASA
  22. 22. 2009 2009 NASA 22Source: NASA
  23. 23. 2010 2010 NASA 23Source: NASA
  24. 24. 24 2011 Source: NASA
  25. 25. 25 2012 Source: NASA
  26. 26. 26 2013 Source: NASA
  27. 27. 27 2012 2013 Source: NASA Lake Powell and the recent drought
  28. 28. ecowest.org Download more slides and other resources 28

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