a global conversation. touching on evidence of climate change
TRANSCRIPT
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A global conversation
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Touching on evidence of climate change
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Global surface temperatures for five datasets
Adjusted to remove variation due to:• El Niño/La Niña• Volcanic particulates• Solar irradiance
Foster, 2011. Global temperature evolution 1979–2010. Environ. Res. Lett. 6 (2011) 044022
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Northern hemisphere temperatures since Year 200 AD, showing how unusual is this rate of warming
Mann et al, 2008. Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia. PNAS 105;13252, doi10.1073pnas.0805721105
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Upper ocean heat content
http://oceans.pmel.noaa.gov/Based on Lyman et al., 2010. Robust warming of the global upper ocean, Nature Vol 465, 20 May 2010, doi:10.1038/nature09043
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Many glaciers are melting
South Cascade Glacier in the state of Washington. Photo by Andrew Fountain. From Understanding and Responding to Climate Change, National Academy of Sciences, 2008
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http://www.epa.gov/climatechange/indicators/pdfs/CI-snow-and-ice.pdf
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Ocean CO2
NASA
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Sea level trends from NASA
http://earthobservatory.nasa.gov/Features/OceanCooling/page5.php
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Peer-reviewed science overwhelmingly indicates that:
Climate is changing globally This change is primarily (but not
exclusively) due to greenhouse gases, especially CO2
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Frost is more likely on…
Clear nightCloudy night
http://jenklee.com/index.php?/clear-night/
http://arambhusal.sulekha.com/albums/bydate/2008-05-15/slideshow/149496.htm
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Insurance companies
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Solutions for a cultivated planet. Nature 20 Oct 2011
Green color=low carbon output per ton of food produced
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What do climate models project for Kentucky?
http://www.climatewizard.org/
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Projection for 2080: Change in temperature (Dec-Feb)
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Projection for 2080: Change in temperature (March-May)
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Projection for 2080: Change in temperature (June-August)
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Projection for 2080: Change in precipitation (Dec-Feb)
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Projection for 2080: Change in precipitation (March-May)
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Projection for 2080: Change in precipitation (June-August)
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Projection for 2080: Change in temperature (June-August)
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Projection for 2080: Change in precipitation (June-August)
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Effects of climate change on Kentucky agriculture
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Impact of climate trends on corn production, 1980-2008
Climate Trends and Global Crop Production Since 1980, Science 333:616, 2011
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Impact of climate trends on soybean production, 1980-2008
Climate Trends and Global Crop Production Since 1980, Science 333:616, 2011
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Impact of climate trends on wheat production, 1980-2008
Climate Trends and Global Crop Production Since 1980, Science 333:616, 2011
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Published by The Consultative Group on International Agricultural Research, Research Program on Climate Change, Agriculture and Food Security, 2011
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Forages
C4 grasses will increase Yield and quality may be similar
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Areas suitable for premium wine production
Purdue Climate Change Center, 2008
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New crop/market opportunities?
http://www.extension.org/pages/18358/introduction-to-high-tunnels
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Pests and disease will likely increase
Purdue Climate Change Center, 2008
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What changes in nitrogen fertilization will occur?
USDA GHG Inventory, 1990-2008 (published in June, 2011)
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What changes in animal production should we prepare for?
http://www.sswm.info/category/implementation-tools/wastewater-treatment/hardware/site-storage-and-treatments/anaerobic-di
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“Chance favors only the prepared mind”
SCIENTIFIC REPORTS | 1 : 66 | DOI: 10.1038/srep00066 Quote of Louis Pasteur
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