The Science Behind Climate Change

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Presentation from a Cary Institute of Ecosystems Studies public forum on climate change by Cary President Dr. William Schlesinger.

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The Science Behind Climate Change

  1. 1. The Science Behind Climate ChangeWilliam H. Schlesinger, President 22 October 2011
  2. 2. Burns et al. 2007. Recent climate trends and implications for water resources in theCatskill Mountain region, New York, USA. J. Hydrology 336:155-170.
  3. 3. Annual mean water temperature at Poughkeepsie 14Annual Mean Temperature (deg C) 13 12 11 10 1945 1955 1965 1975 1985 1995 2005 Year
  4. 4. Tree Swallow 180 160 y = -0.595x + 1267. 140 R² = 0.437Julian Day 120 Series1 100 Linear (Series1) 80 60 40 20 1880 1900 1920 1940 1960 1980 2000 Year
  5. 5. Mean Temperature (∆D)-370-380-390-400-410-420 12,000 10,000 8,000 6,000 4,000 2,000 0 Years Before Present CO2 (ppmv)400350300250200 12,000 10,000 8,000 6,000 4,000 2,000 0 Years Before Present
  6. 6. Milly et al., 2005
  7. 7. Rondout Creek, Kingston, NYPhoto : Chris Bowser, HREP © Chris Bowser, NYS DEC Hudson River Estuary Program
  8. 8. Burns et al. 2007. Recent climate trends and implications for water resources in the Catskill Mountainregion, New York, USA. J. Hydrology 336:155-170.
  9. 9. www.caryinstitute.org
  10. 10. Number of days minimum temperature less than 0 degrees F4035302520151050

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