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Global warming
1. Global Warming Will Human-Induced Climate Change Destroy the World? By Rich Deem www.GodAndScience.org Note: This slideshow is NOT meant to be printed. View in slideshow mode only because of extensive builds and animations. Go to the website for a printable copy. Requires PowerPoint 2003 or PowerPoint Viewer 2003.
37. A Compilation of Phanerozoic Atmospheric CO 2 Records Breecker D O et al. PNAS 2010;107:576-580 6000 5000 4000 3000 2000 1000 0 30 60 90 Atmospheric CO 2 Concentration (ppmV) Continental Glaciation (Paleolatitude) 400 300 200 100 0 Paleozoic Mesozoic Cenozoic S D Carb P Tr J K Pg Ng
39. “Hockey Stick” Controversy 1000 1200 1400 1600 1800 2000 -0.8 Year -0.6 -0.4 -0.2 0 0.2 0.4 0.6 Temperature Change ( °C) Direct temperature measurements Mann et al. 1999
40. The Problem with Tree Rings 1000 1200 1400 1600 1800 2000 -0.6 Year -0.5 -0.4 -0.3 0 0.1 0.2 0.3 Temperature Change ( °C) -0.2 -0.1 Jones et al. 1998 Briffa et al. 1999 Mann et al. 1999
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42. Is the Hockey Stick Correct? Mann et al. 1999 Esper et al. 2002 800 1000 1200 1400 1600 1800 -2 -1 0 1 2 Temperature Change ( °C) 2000 Year
43. Is the Hockey Stick Correct? -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0 400 800 1200 1600 2000 Year Temperature Change (°C) Mann et al. 1999 Esper et al. 2002 Moberg et al. 2005 Mann et al. 2008 Medieval Warm Period
44. U.S. National Academy of Sciences: June 2006 1000 1200 1400 1600 1800 2000 -0.8 Year -0.6 -0.4 -0.2 0 0.2 0.4 0.6 Temperature Change ( °C) “ high level of confidence” “ 2:1 chance of being right”
45. Atmospheric Temperatures -1.0 -0.5 0.0 0.5 1.0 1.5 1980 1990 2000 Year -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1980 1990 2000 Year Temperature Cgange (°C) Troposphere Stratosphere
46. CO 2 Concentration Vs. Temperature 170 220 270 320 370 0 200000 400000 600000 Time (YBP) CO 2 (ppm) Antarctica 25 26 27 28 29 30 31 SST (°C) Tropical Pacific
48. Global Warming Primarily Impacts the Northern Hemisphere -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 1920 1960 2000 Year Temperature Change (°C) 1920 1960 2000 Year Northern vs. Southern Latitude Land vs. Ocean Northern Hemisphere Southern Hemisphere Land Ocean
67. Global Warming Has Stopped? -0.2 0.0 0.2 0.4 0.6 0.8 1975 1980 1985 1990 1995 2000 2005 Year Mean Temperature (°C) 2010 1365.2 1365.4 1365.6 1365.8 1366.0 1366.2 1366.4 1366.6 1366.8 Solar Irradiance (W/m 2 )
68. Volcanoes Put Out More CO 2 Than Fossil Fuel Burning 0 2 4 6 8 10 Carbon (10 9 metric tons) Fossil Fuel Volcanoes
69. Global Warming is Caused by Sunspots -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1880 1900 1920 1940 1960 1980 2000 Year Mean Temperature (°C) 0 50 100 150 200 250 Sunspots
70. Hadley Temperatures Vs. Sunspots -2.0 -1.5 -1.0 -0.5 0.0 1.0 1.5 1750 1800 1850 1900 1950 2000 Year Mean Temperature (°C) 0 50 100 150 200 250 Sunspots
71. Global Warming is Caused by GCR -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 1950 1960 1970 1980 1990 2000 2010 Year Mean Temperature (°C) 3000 3200 3400 3600 3800 4000 4200 4400 4600 Gamma Cosmic Rays
72. CO 2 Vs. Temperature CO 2 Vs. Sea Level 0 100000 200000 300000 400000 500000 Time (ybp) Rohling et al. 2009. Antarctic temperature and global sea level closely coupled over the last five glacial cycles. Nature Geoscience 2:500. -120 -100 -80 -60 -40 -20 0 20 40 Relative Sea Level 180 200 220 240 260 280 300 320 CO 2 (ppmv) -10 -8 -6 -4 -2 0 2 4 6 Temperature
73. Global Warming is Due to Urban Heat Islands 2009 Temperature Changes Compared to 1951-1980 -4.1 -4 -2 -1 -.5 -.2 .2 .5 1 2 4 4.1
75. Global Warming Primarily Impacts the Northern Hemisphere -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 1920 1960 2000 Year Temperature Change (°C) Northern vs. Southern Latitude Northern Hemisphere Southern Hemisphere 1920 1960 2000 Year Land vs. Ocean Land Ocean
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77. Changing Sea Levels 1700 1750 1800 1850 1900 1950 2000 -20 -10 0 10 20 Relative Sea Level (cm) Adapted from IPCC SYR Figure 2-5 Amsterdam, Netherlands Brest, France Swinoujscie, Poland Global Temperature Change
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79. Predictions Vs. Reality Hansen, J. 1988. Journal Of Geophysical Research 93:9241. Exponential Increase in carbon emissions Moderate reduction in carbon emissions Drastic reduction in carbon emissions Observed temps through 1988 T (°C) 1.5 1.0 0.5 0 -0.4 Date 1960 1970 1980 1990 2000 2010 2019 Annual Mean Global Temperature Change OBSERVED SCENARIO A SCENARIO B SCENARIO C