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Impacts of Climate Change on Physical Systems Lesson Plan 4 – Day 2 PPT 4.2.4.

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Presentation on theme: "Impacts of Climate Change on Physical Systems Lesson Plan 4 – Day 2 PPT 4.2.4."— Presentation transcript:

1 Impacts of Climate Change on Physical Systems Lesson Plan 4 – Day 2 PPT 4.2.4

2 Graph 1: Temperature Global Ocean and Atmosphere PPT 4.2.4 http://data.giss.nasa.gov/gistemp/graphs/ Year Temperature Difference From Normal (°C) 5-year Running Average Annual Average

3 Graph 2: Temperature PPT 4.2.4 J. Hansen et al., PNAS 103: 14288-293 ( 2006) 2001-2005 Mean Surface Temperature Difference from the Temperatures Recorded from 1951-1980 (in °C) Global Mean =.53 North America South America Africa Asia Australia Europe Gray indicates no data. 0° 30° S 60° S 30° N 60° N 0° 90° W90° E Antarctica

4 Graph 3: Sea Level PPT 4.2.4 Observed changes in (a) global average surface temperature, (b) global average sea level from tide gauge (blue) and satellite (red) data. All changes are relative to corresponding averages for the period 1961–1990. Smoothed curves represent decadal average values while circles show yearly values. The shaded areas are the uncertainty intervals estimated from a comprehensive analysis of known uncertainties. This line is 50 mm (5 cm) (.05 m) long.

5 Graph 4: Sea Level PPT 4.2.4 http://www.globalwarmingart.com/images/2/2c/Global_Sea_Level_Rise_Risks.pnghttp://www.globalwarmingart.com/images/2/2c/Global_Sea_Level_Rise_Risks.pngRahmstorf et al., 2007; Science Projected global sea level change. The colored lines represent different models, based on global observations. 1 m = 100 cm = 1000 mm This map is designed to emphasize regions of the Eastern United States and Caribbean that are near sea level.

6 Graph 5: Glacier Thinning PPT 4.2.4 The map shows the average annual rate of thinning since 1970 for the 173 glaciers that have been measured at least 5 times between 1970 and 2004 (Dyurgerov and Meier 2005). Larger changes are plotted as larger circles. This does not include the ice sheets of Greenland or Antarctica. ThinningThickening http://www.globalwarmingart.com/wiki/File:Glacier_Mass_Balance_Map_png New Zealand is under this symbol

7 Graph 6: Glacier Cover Portage Glacier, AlaskaPasterze Glacier, Austria PPT 4.2.4

8 Graph 7: Severe Weather PPT 4.2.4 Very Heavy Precipitation is defined as the heaviest 1% of all events.

9 Graph 8: Severe Weather PPT 4.2.4 Events per Year http://maps.grida.no/go/graphic/trends-in-natural-disasters

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