Professional Presentations

-2008-

Smerdon, J.E. (invited), Spaghetti plots, hockey sticks, pseudo-realities and congressional oversight: A decade of attempts to reconstruct the climate of the last millennium, IGERT Joint Program Colloquium in Applied Mathematics and Earth and Environmental Sciences, Columbia University, New York, NY, 6 March 2008.

Smerdon, J.E., D. Chang, A. Kaplan, M.N. Evans, and E.R. Cook, A Comparison of Climate Field Reconstruction Methods Using Millennial Pseudo-Proxy Experiments, European Geosciences Union General Assembly, Vienna, 2008. (abstract)

Chang, D., J.E. Smerdon, A. Kaplan, M.N. Evans, and E.R. Cook, Testing Canonical Correlation Analysis as a Climate Field Reconstruction Method Using Pseudo-Proxy Experiments, European Geosciences Union General Assembly, Vienna, 2008. (abstract)

Smerdon, J.E., J.F. González-Rouco, M. Stieglitz, M.B. Stevens, H. Beltrami, E. Zorita, The Lower-Boundary Effect on Simulated Temperature Signals in the Terrestrial Subsurface: An Example from the ECHO-g GCM, European Geosciences Union General Assembly, Vienna, 2008. (abstract)

-2007-

Smerdon, J.E. (invited), Deconstructing Millennial Climate Reconstructions, American Museum of Natural History, New York, NY, 4 December 2007.

Smerdon, J.E. (invited), Hockey Stick: The Science and Politics of Reconstructing the Climate of the Last Millennium, Hosted by the Barnard EcoReps, Barnard College, New York, NY, 29 November 2007.

Smerdon, J.E., A. Kaplan, and D. Chang, Reconstructing Spatial Patterns of Climate Change During the Last Millenium: The Challenges of Method and Data, Eos Trans. AGU, Fall Meet. Suppl., Abstract GC43B-03, 2007. (abstract)

D'Arrigo, R.D., R. Wilson, R. Allan, J. Palmer, J. Sakulich, J. Smerdon, S. Bijaksana, and L. Ngkoimani, Indian Ocean and Asian Monsoon Influences on Indonesian drought: Climate signals in tree rings and corals, Eos Trans. AGU, Fall Meet. Suppl., Abstract PP11B-0538, 2007. (abstract)

Anchukaitis, K.J. (invited), M.N. Evans, R.D. D'Arrigo, J.E. Smerdon,, M.K. Hughes, A. Kaplan, and E.A. Vaganov, Proces model simulations of the divergence effect, Eos Trans. AGU, Fall Meet. Suppl., Abstract PP54A-08, 2007. (abstract)

Smerdon, J.E., and A. Kaplan, Pseudo-proxy tests of the regularized expectation maximization (RegEM) method and their implications for real-world climate reconstructions of the last millennium, 10th International Meeting on Statistical Climatology, Beijing, China, 2007. (presentation - 2.7 MB)

Beltrami, H. (invited), J.F. González-Rouco, J.E. Smerdon, E. Zorita, M.B. Stevens, M. Stieglitz, Climate from underground temperatures: The Earth's selective long-term memory, European Geosciences Union General Assembly, Vienna, 2007.

-2006-

Smerdon, J.E., A. Kaplan, and A. J. Carver, Biases and variance losses in RegEM pseudo-proxy reconstructions for different coupled model integrations: The impact of standardization procedures, Eos Trans. AGU, Fall Meet. Suppl., Abstract U11B-04, 2006. (abstract) (presentation - 1.8 MB)

Evans, M.N., A. Kaplan, J.E. Smerdon, M.K. Hughes, The spectral, multivariate and non-stationary nature of the paleoproxy-climate connection: Implications for paleoclimate reconstructions, Eos Trans. AGU, Fall Meet. Suppl., Abstract U11B-02, 2006. (abstract)

Stevens, M.B., J.E. Smerdon, J.F. González-Rouco, M. Stieglitz and H. Beltrami, The role of subsurface heat storage in climate model simulations, Eos Trans. AGU, Fall Meet. Suppl., Abstract A41E-0085, 2006. (abstract) (poster - 130 KB)

Chapman, D.S., R.N. Harris, S. Huang, H.N. Pollack, and J.E. Smerdon, Surface temperature reconstructions for the last five centuries from borehole temperature profiles, Eos Trans. AGU, Fall Meet. Suppl., Abstract U12B-06, 2006. (abstract)

Smerdon, J.E. and M. Stieglitz, Simulation of subsurface sensible heat transport: Sensitivity to lower-boundary conditions, Heat Flow and the Structure of the Lithosphere, Bykov, Czech Republic, 2006. (presentation - 11.5 MB)

Steiglitz, M. and J.E. Smerdon, Snow-Vegetation-Ground Interactions in Arctic Tundra: Implications for Vegetation Change, Heat Flow and the Structure of the Lithosphere, Bykov, Czech Republic, 2006.

Pollack, H.N. and J.E. Smerdon, Long-period climate signals pass through the surficial active-layer of seasonal processes with little attenuation, Heat Flow and the Structure of the Lithosphere, Bykov, Czech Republic, 2006.

Smerdon, J.E., M. Stieglitz, and F. Pan (invited), Integrating observations and models to elucidate the seasonal evolution of land-atmosphere coupling and its subsequent impacts on ground temperatures, European Geosciences Union General Assembly, Vienna, Austria, 2006.

-2005-

Smerdon, J.E. (invited), Borehole paleoclimatology and the climate history of the last millennium, Wally’s Friday Seminar, Columbia University, New York, NY, 24 June 2005.

Smerdon, J.E. (invited), Climate change during the last millennium: Views from a physicist in the Earth Sciences, Gustavus Adolphus College, St. Peter, MN, 21 April 2005.

Pollack, H.N., G.C. Hegerl, T.J. Crowley, M.R. Allen, W.T. Hyde, J.E. Smerdon, and E. Zorita, A new 1500-year climate reconstruction: enhanced low-frequency variability and the fingerprint of anthropogenic warming, Eos Trans. AGU, Fall Meet. Suppl., Abstract PP51G-02, 2005.

Pan, F., J.E. Smerdon, M. Stieglitz, and P.J. Webster, A wavelet approach to reconstructing near-surface temperature time series from observations of subsurface temperatures at several meters depth, Eos Trans. AGU, Fall Meet. Suppl., Abstract PP52A-0657, 2005.

Smerdon, J.E., and H.N. Pollack, Improved agreement between borehole and other proxy reconstructions of paleoclimate via a new common temperature reference scheme, Eos Trans. AGU, Fall Meet. Suppl., Abstract PP52A-0662, 2005.

Stieglitz, M., and J.E. Smerdon, Characterizing land-atmosphere coupling and the implications for subsurface thermodynamics, Eos Trans. AGU, Fall Meet. Suppl., Abstract C23B-04, 2005.

-2004-

Pollack, H.N., J.E. Smerdon (presenter), and P.E. van Keken, Modeling daily and seasonal relationships between air and ground temperatures using a time-dependent thermal diffusivity in the shallow subsurface, Eos Trans. AGU, Fall Meet. Suppl., Abstract A51A-0744, 2004.

Smerdon, J.E., and H.N. Pollack, Assessing seasonal and annual coupling relationships between air and subsurface temperatures: What can these relationships tell us about ground surface temperature reconstructions?, Eos Trans. AGU, 85(17), Jt. Assem. Suppl., Abstract GC44A-02, 2004.

-2003-

Smerdon, J.E., H.N. Pollack, M. Kresl, and J.F. Wehmiller, Conductive Transport of Annual Temperature Signals in Variable Subsurface Media and Regional Analyses of Seasonal Decoupling Between Air and Ground Surface Temperatures, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract PP52A-0958, 2003.

Pollack, H.N., and J.E. Smerdon, Borehole Climate Reconstructions: Spatial Structure and Hemispheric Averages, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract PP51D-06, 2003. (presentation 2.1 MB)

Pollack, H.N., and J.E. Smerdon (presenter), Have Borehole Temperature Climate Reconstructions Been Reconciled With Multi-proxy Reconstructions?, EGS-AGU-EUG Jt. Assem., Nice, France, 2003.

-2002-

Smerdon, J.E., M.J. Lewis, H.N. Pollack, and J.W. Enz, Spectral analysis of air and ground temperatures at Fargo, North Dakota: conduction dominated propagation of the annual frequency signal, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract PP51A-0304, 2002.

Smerdon, J.E. (invited), Vermicomposting as a food-waste management alternative: Lessons from a pilot project at the University of Michigan, Michigan Recycling Coalition 20th-Annual Conference, Pontiac, MI, 2002.

-2001-

Smerdon, J.E., H. Beltrami, H.N. Pollack, and S. Huang, Continental Heat Gain in the Global Climate System, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract GC22B-02, 2001.

Lin, X., A.W. England, J.E. Smerdon, and H.N. Pollack, A Modified SVAT Model That Links the Geothermal Climate Signal to Land-Surface Processes, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract GC32A-0219, 2001.

Smerdon, J.E., and K. Steyaert (invited), Maize & Blue Turns Green: The Sustainable U-M Initiative, Sierra Club, Huron Valley Group General Meeting, Ann Arbor, MI, 2001.

-2000-

Smerdon, J.E., and H.N. Pollack, Latitudinal Trends in Northern Hemisphere Air and Ground Temperatures, Eos Trans. AGU, 81 (48), Fall Meet. Suppl., Abstract U22A-11, 2000.

Pollack, H.N., S. Huang, and J.E. Smerdon, Temperature trends over the past five centuries reconstructed from borehole temperatures: temporal and spatial patterns, Eos Trans. AGU, 81 (48), Fall Meet. Suppl., Abstract U21B-08, 2000.

Niederriter, C.,J.E. Smerdon, D. Asleson, and M. Cunningham, Formation of thin polymeric films on direct-current plasma, APS Meeting Abstracts, 22013, 2000.