beyondthemap
A Presentation by Dr. James Raffan in the Polar Perspectives Series Prince of Wales Northern Heritage Centre, November 20th, 2008beyondthemap A Presentation by Dr. James Raffan in the Polar - - PowerPoint PPT Presentation
beyondthemap A Presentation by Dr. James Raffan in the Polar - - PowerPoint PPT Presentation
beyondthemap A Presentation by Dr. James Raffan in the Polar Perspectives Series Prince of Wales Northern Heritage Centre, November 20th, 2008 Hurricane Aerial Source: World Resources Institute Frontier Forests 8,000 years ago Frontier
Hurricane Aerial
Frontier Forests 8,000 years ago
Source: World Resources InstituteFrontier forests today
2005 2002 1992 Meanwhile ... in Greenland in the last 16 years ...
- 0.675
- 0.450
- 0.225
Global Temperature Since 1860
* *
Temperature ºC as Deviation from 1961-1991 Average?
The Greenhouse Effect
C O 2 CO2 C O 2 CO2
Open Water Ice Ice
One Year Ideal Conditions Ideal Conditions Altered Conditions Altered ConditionsAdapt Move Die
Extent of Arctic Sea Ice (millions square km)
3.5 7.0 10.5 14.0 1900 1905 1910 1915 1920 1925 1930 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010Average Ocean Temperature (ºC)
- 0.250
- 0.125
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