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The Climate of the Last 2000 Years

The Climate of the Last 2000 Years. AOS 528, 12/04/07. The Last 2000 Years. Multiple proxy records mixed with instrumental data Proxies: Ice Cores Tree Rings Historical Documents Records almost entirely land-based prior to the instrumental record. Locations of Proxies Records.

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The Climate of the Last 2000 Years

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  1. The Climate of the Last 2000 Years AOS 528, 12/04/07

  2. The Last 2000 Years • Multiple proxy records mixed with instrumental data • Proxies: • Ice Cores • Tree Rings • Historical Documents • Records almost entirely land-based prior to the instrumental record

  3. Locations of Proxies Records

  4. Proxy NH Temperature Data Reconstructions

  5. Regional: Global Medieval Warm Period?

  6. Climate Models

  7. Climate Models: NH Temperature Results NH Simulations: With and Without Anthro Forcings Climate Models: Forcings Used

  8. Global Warming Now 2006

  9. Headed for another record? 2007

  10. The Anthropocene? Why were GHG concentrations varying before the industrial age? http://www.realclimate.org/index.php/archives/2005/12/early-anthropocene-hyppothesis/ Ruddiman, 2005

  11. Pseudo Competitors • Geology/Geography vs Atmospheric Science • Model vs Data/Observations • Paleoclimate vs Climate • PreQuaternary (Deep Time) vs Quaternary

  12. Term Papers Due Dec. 13th Presentations: Thursday, December 6th (during class) Group 2: Phillips, Schiferl The Effectiveness of the Kyoto Protocol Group 7: Schmidt, Bruskewitz, Serwe: Decrease of Anthropogenic Influence on Atmospheric CO2 Levels Group 8: Schuh, Moore, Olson Effects of Global Warming on Agriculture Production in the Midwest Group 9: Kirchner, Shewczyk, Welhouse Global Climate Change's Effects On Agriculture Group 10: Franklin, Obbink, Orland The Effects of Orbital Forcings During Mid-Pliocene Global Warming

  13. Term Papers Due Dec. 8th Presentations: Thursday, December 20th (10:05am) Group 1: Lubcaynka, Moua, Propheter US and China's Affect on Global Warming Group 3: Caruso, Maloney, Schmelzer Title? Group 4: Schreiber, Brown "Peak Oil" Predictions and Their Effect on Future Warming Group 5: Asuma, Caves, Koch A Comparison of Global Climate Effects Due to Varying Rates of Methane Introduction Group 6: Marsicek, Ronnei, McCarville Using Drought Index to Analyze Potential Impacts on the Tropical Rainforest By Increasing CO2 and Solar Luminosity Group 11: Hladish, Kampa A Potential Glacial Maximum in the Future?

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