tracking the water supply in lake mead and lake powell
TRANSCRIPT
- 1. Tracking the water supply in Lake Mead and Lake Powell 8/21/2013
- 2. Lake Mead July 1 elevation: 1935-2013 2Source: Bureau of Reclamation
- 3. Lake Powell daily elevation: 1964-2013 3Source: Bureau of Reclamation
- 4. Lake Powell: historic and projected elevations 4Source: Bureau of Reclamation
- 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. Lake Powell and Lake Mead storage 6Source: U.S. Climate Change Science Program/Bureau of Reclamation
- 7. 7 1,200 years of drought in the West Source: U.S. Climate Change Science Program
- 8. Recent droughts less severe for Colorado River 8 History of Colorado River Flow Source: U.S. Climate Change Science Program
- 9. Lake Powell 9 Source: U.S. Climate Change Science Program/ Photos by John Dohrenwend
- 10. Lake Powell 10 Source: U.S. Climate Change Science Program/ Photos by John Dohrenwend
- 11. Lake Powell 11 Source: U.S. Climate Change Science Program/ Photos by John Dohrenwend
- 12. 1999 1999 NASA 12Source: NASA
- 13. 2000 2000 NASA 13Source: NASA
- 14. 2001 2001 NASA 14Source: NASA
- 15. 2002 2002 NASA 15Source: NASA
- 16. 2003 2003 NASA 16Source: NASA
- 17. 2004 2004 NASA Hite Marina 17Source: NASA
- 18. 2005 2005 NASA 18Source: NASA
- 19. 2006 2006 NASA 19Source: NASA
- 20. 2007 2007 NASA 20Source: NASA
- 21. 2008 2008 NASA 21Source: NASA
- 22. 2009 2009 NASA 22Source: NASA
- 23. 2010 2010 NASA 23Source: NASA
- 24. 24 2011 Source: NASA
- 25. 25 2012 Source: NASA
- 26. 26 2013 Source: NASA
- 27. 27 2012 2013 Source: NASA Lake Powell and the recent drought
- 28. ecowest.org Download more slides and other resources 28