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Climate Change Science since 2007 Update since the release of the Fourth Assessment Report (FAR) of the Intergovernmental Panel on Climate Change (IPCC) in 2007 Paul H. Beckwith B. Eng., M. Sc. Physics Sierra Club Canada December 7, 2009
Executive Summary ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object]
Arctic Sea Ice Cover ,[object Object],[object Object],[object Object],[object Object]
Arctic Sea Ice Cover (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Arctic Sea Ice Cover (3) ,[object Object],[object Object],[object Object]
 
Greenland Ice Cover ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
Antarctica Ice Cover ,[object Object],[object Object],[object Object],[object Object]
Antarctica Ice Cover (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Antarctica Ice Cover (3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Antarctica Ice Cover (4) ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Sea Level Rise: IPPC 2007 1 0.26 – 0.59  A1FI scenario  0.23 – 0.51  A2 scenario  0.21 – 0.48  A1B scenario  0.20 – 0.43  B2 scenario  0.20 – 0.45  A1T scenario  0.18 – 0.38  B1 scenario  Model-based range excluding future rapid dynamical changes in ice flow  Case Sea Level Rise - meters (by 2090-2099 relative to1980-1999)
Sea Level Rise (2) ,[object Object],[object Object],[object Object]
Sea Level Rise (3) ,[object Object],[object Object],[object Object],[object Object]
 
Ocean Acidification   ,[object Object],[object Object],[object Object],[object Object]
Ocean Acidification (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Ocean Oxygen Levels ,[object Object],[object Object],[object Object],[object Object],[object Object]
Global Average Temperature ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Global Average Temperature (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Global Ocean Temperature ,[object Object],[object Object],[object Object],[object Object]
 
 
Global Ocean Temperature (2) ,[object Object],[object Object],[object Object],[object Object]
Atmospheric  CO 2  Concentrations ,[object Object],[object Object]
5.43 383.07 – 388.50 1.86 385.57 2008 5.72 380.81 – 386.53 1.86 383.71 2007 6.13 378.81 – 384.94 2.05 381.85 2006 5.73 376.72 – 382.45 2.24 379.76 2005 6.52 374.10 – 380.62 1.74 377.52 2004 Yearly change (ppm) Yearly range (ppm) Change in concentration from previous year (ppm) Yearly average carbon dioxide   concentration (ppm) Year
Atmospheric  CO 2  Concentrations (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Nitrous oxide concentrations ,[object Object],[object Object],[object Object],[object Object]
Nitrous oxide concentrations (2) ,[object Object],[object Object],[object Object],[object Object]
Methane Concentrations ,[object Object],[object Object],[object Object],[object Object],[object Object]
Solar Activity ,[object Object],[object Object],[object Object],[object Object],[object Object]
Solar Activity (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Climate Change Impacts ,[object Object],[object Object],[object Object],[object Object]
 
References and Links ,[object Object],[object Object],[object Object],[object Object]
References and Links (2) ,[object Object],[object Object],[object Object]
References and Links (3) ,[object Object],[object Object],[object Object]
References and Links (4) ,[object Object],[object Object],[object Object]
References and Links (4) ,[object Object],[object Object],[object Object]

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Climate Change Science Since 2007

  • 1. Climate Change Science since 2007 Update since the release of the Fourth Assessment Report (FAR) of the Intergovernmental Panel on Climate Change (IPCC) in 2007 Paul H. Beckwith B. Eng., M. Sc. Physics Sierra Club Canada December 7, 2009
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  • 18. Sea Level Rise: IPPC 2007 1 0.26 – 0.59 A1FI scenario 0.23 – 0.51 A2 scenario 0.21 – 0.48 A1B scenario 0.20 – 0.43 B2 scenario 0.20 – 0.45 A1T scenario 0.18 – 0.38 B1 scenario Model-based range excluding future rapid dynamical changes in ice flow Case Sea Level Rise - meters (by 2090-2099 relative to1980-1999)
  • 19.
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  • 34. 5.43 383.07 – 388.50 1.86 385.57 2008 5.72 380.81 – 386.53 1.86 383.71 2007 6.13 378.81 – 384.94 2.05 381.85 2006 5.73 376.72 – 382.45 2.24 379.76 2005 6.52 374.10 – 380.62 1.74 377.52 2004 Yearly change (ppm) Yearly range (ppm) Change in concentration from previous year (ppm) Yearly average carbon dioxide concentration (ppm) Year
  • 35.
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