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LIVE INTERACTIVE LEARNING @ YOUR DESKTOP Thursday, April 8, 2010 6:30 p.m. - 8:00 p.m. Eastern time Exploring U.S. Regional Climate Change Impacts: Why It Matters to You By: Dr. Steve McNulty and Vicki Arthur
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Section I Exploring U.S. Regional Climate Change Impacts: Why It Matters to You Dr. Steven McNulty USDA Forest Service North Carolina State University steve_mcnulty@ncsu.eduteve_mcnulty@ncsu.edu
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What is Climate Change?? Change in Air Temperature from the average of the 1950’s-1980’s compared to the 1990’s
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EarthMoon Green House Gas % in the Atmos 5 0 Distance from Sun (millions of km) Day/Night Temperature Range ( o C) Average Temperature ( o C) 107/-153 -23 21 26-17 149
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MercuryVenus Green House Gas % in the Atmos <1 95 Distance from Sun (millions of Km) Daily Temperature Range ( o C) Average Temperature ( o C) 450 450/450 400 58 420/-150 108
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Poll Question According to the historical data, is climate change cyclical? √ Yes X No
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400,000 Years of Antarctic CO 2 and Temperature Change Source: Climate Change Impacts on the US, NAST, 2001
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Northern Hemisphere Carbon Emissions Source: Climate Change Impacts on the US, NAST, 2000
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Atmospheric CO 2 Concentrations Source: Climate Change Impacts on the US, NAST, 2000
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Northern Hemisphere Surface Temperature Source: Climate Change Impacts on the US, NAST, 2000
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“Simulations of the response to natural forcings alone … do not explain the warming in the second half of the century”SPM Stott et al, Science 2000
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“..model estimates that take into account both greenhouse gases and sulphate aerosols are consistent with observations over this period” SPM Stott et al, Science 2000
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What other Factors could increase or decrease Global Warming in the long and short term? [Type in the chat]
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Let’s Pause Two Minutes for Questions from the Audience
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Section II How is/will climate change be impacting you? Regional impacts
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IPCC world CC map
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Alaska and Canada
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Poll Question Which of the impacts of climate change might have a positive, short term effect? A)Forest Production B)Insects C)Sea Ice thinning
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Change in Forest Productivity from 1982 to 1999 Nemani et al., Science June 6 th 2003
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Insects
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Spring bud-burst dates for Aspen in Edmonton
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The increase in growing season length over the last 50 years averaged for eight stations in Alaska having the longest and most consistent temperature records.
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Can you think of other potential long and short term impacts of climate change for this region? [Type in the Chat]
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Rocky Mountains and Western US
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Large scale (> 400 ac) Wildfires and Air Temperature From Westerling et al. 2005
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Can you think of other potential long and short term impacts of climate change for this region? [Type in the Chat]
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Let’s Pause Two Minutes for Questions from the Audience
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Eastern US
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Sugar maple Iverson et. al GTR NE265
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Percent of the continental USA with a much above normal proportion of total annual precipitation from 1-day extreme events (more than 2 inches or 50.8mm) Karl et al. 1996 BW 7
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Areas of Soil Erosion By 2030 On UNF
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Loblolly pine Iverson et. al GTR NE265
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> 25% DECLINE 5%-25% DECLINE <5% CHANGE 5%-25% INCREASE Timberland Acreage Shift 1993 – 2040: No Climate Change Baseline
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Timberland Acreage Shifts by 2040 Due to Hadley Climate Change 5%-25% DECLINE <5% CHANGE 5%-25% INCREASE
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Can you think of other potential long and short term impacts of climate change for this region? [Type in the Chat]
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Let’s Pause Two Minutes for Questions from the Audience
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Coastal Areas
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Results of Sea Level Rise Gulf Coast Region
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Results of Sea Level Rise 1.5 Meter Rise
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Graphic by Hugo Ahlenius
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BLEACHING OF CORAL REEFS BY OCEAN TEMPS > 85deg F (29 deg C)
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Locations of Coral Reef Bleaching
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Can you think of other potential long and short term impacts of climate change for this region? [Type in the Chat]
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Let’s Pause Two Minutes for Questions from the Audience
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Summary of Impacts
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U.S. Forest Service Section I Education Resources to Help You Bring the Climate Change Issue Home
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globalchange.gov U.S. Global Change Research Program
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National Academies of Science national-academies.org www.nas.edu/climatechange
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http://fs.usda.gov/conservationeducation
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Carbon, Oxygen, Water and Shade: Putting a Price on the Benefits of Your School Yard Trees Vicki Arthur David V. Bloniarz U.S. Forest Service
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i-Tree: Demonstrating That Trees Pay Us Back!
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Itree curriculum: www.itreetools.org
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www.treebenefits.com
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Natural Inquirer Forest Service’s Science Education Journal www.naturalinquirer.org
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GreenSchools! www.plt.org
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Thanks!
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Thank you to the sponsor of tonight's Web Seminar:
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http://learningcenter.nsta.org
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http://www.elluminate.com
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National Science Teachers Association Dr. Francis Q. Eberle, Executive Director Zipporah Miller, Associate Executive Director Conferences and Programs Al Byers, Assistant Executive Director e-Learning LIVE INTERACTIVE LEARNING @ YOUR DESKTOP NSTA Web Seminars Paul Tingler, Director Jeff Layman, Technical Coordinator
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