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NJ Future Forum 2012 Flooding Robinson

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The dramatic increase in the number of recent flooding incidents in New Jersey raises important questions about where development should occur and how to plan and prepare for these events. As floodplain maps change, so do regulatory and design considerations, not to mention the added insurance risks to redeveloping in these locations. This session will look at current weather trends and how they will affect redeveloping communities, as well as explore innovative approaches to stormwater management, with a spotlight on Philadelphia’s Green Infrastructure Plan.

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NJ Future Forum 2012 Flooding Robinson

  1. 1. Recent NJ Flooding: a weather/climate perspective Dr. David A. Robinson Professor, Dept. GeographyNew Jersey State Climatologist Panel onTreating Flooding as the “New Normal” Redevelopment Forum 2012 New Jersey Future March 9, 2012
  2. 2. Summing up 1. Increased NJ precipitation of late - annual - extreme events? 2. Increased flooding of late 3. Beginning to experience a “new normal”? 4. Potential of future increases in: precipitation extreme events flooding
  3. 3. A precipitationrich state…… ……most often
  4. 4. Howeversometimestoo little…… Spruce Run Reservoir: March 2002 Pinelands: Delaware River: November 1963 May 2007
  5. 5. Too often oflate too much
  6. 6. Irene rainfall: stationobservations
  7. 7. Irene:NJ riverflooding
  8. 8. Manville, NJ
  9. 9. Lincoln Park, NJ Paterson, NJ
  10. 10. Kinnelon, NJ
  11. 11. Again and again and again...............Manville, NJ: August 28, 2011 (2PM EDT)
  12. 12. Millstone River, Manville, NJSeptember 17, 1999 March 14, 2010 April 16, 2007
  13. 13. Peak Annual Flow Raritan
  14. 14. Delaware River Easton, PA, August 1955Trenton train station, September 23, 1882 Easton-Phillipsburg Bridge: June 2006 September 2004
  15. 15. Peak Annual Flow Delaware
  16. 16. MarchPassaic 2011Basin
  17. 17. Peak Annual Flow Passaic
  18. 18. New Jerseys future climate Rising temperatures Steady or increasing precipitation Increasing variability and extremes - storms, flood, drought, heat……. Rising sea level
  19. 19. Warmer ↓ MorePrecipitation Warmer ↓ More Evaporation
  20. 20. http://climate.rutgers.edu/njwxnet NJ Weather & Climate Network
  21. 21. Community Collaborative Rain, Hail and Snow (CoCoRaHS) network: http://cocorahs.org
  22. 22. Summing up 1. Increased NJ precipitation of late - annual - extreme events? 2. Increased flooding of late 3. Beginning to experience a “new normal”? 4. Potential of future increases in: precipitation extreme events flooding
  23. 23. Thank youhttp://climate.rutgers.edu/stateclim

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