Résumé of Forrest M. Hoffman

Presentations

• Sisneros, Robert, Markus Glatter, Brandon Langley, Jian Huang, Forrest Hoffman, and David Erickson III. July 14, 2008. "Time-Varying Multivariate Visualization for Understanding Terrestrial Biogeochemistry." Scientific Discovery through Advanced Computing (SciDAC) 2008 Conference, Seattle, Washington, USA. [ PDF ]

• Hoffman, Forrest M., Jim T. Randerson, Inez Y. Fung, Peter E. Thornton, Yeh-Huei "Jeff" Lee, Curtis C. Covey, Gordon B. Bonan, and Steven W. Running. July 10, 2008. "The Carbon-Land Model Intercomparison Project (C-LAMP): A Protocol and Evaluation Metrics for Global Terrestrial Biogeochemistry Models." International Congress on Environmental Modelling and Software (iEMSs 2008), Barcelona, Catalonia, Spain.

• Hoffman, Forrest M., William W. Hargrove, Richard T. Mills, Salil Mahajan, David J. Erickson, and Robert J. Oglesby. July 9, 2008. "Multivariate Spatio-Temporal Clustering (MSTC) as a Data Mining Tool for Environmental Applications." International Congress on Environmental Modelling and Software (iEMSs 2008), Barcelona, Catalonia, Spain.

• Hoffman, Forrest M., James T. Randerson, Inez Fung, Peter Thornton, Jeff Lee, Curt Covey, David Erickson, Gordon Bonan, and Steve Running. June 17-19, 2008. "The Carbon-Land Model Intercomparison Project (C-LAMP): A Protocol and Metrics for Model-Data Comparison." 13th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA. [ PDF ]

• Huang, Jian, Markus Glatter, Wesley Kendall, Brandon Langley, Joshua New, Roberto Sisneros, Forrest Hoffman, and David Erickson. June 17-19, 2008. "Time-Varying Multivariate Visualization for Understanding the Climate Science of the Terrestrial Biosphere." 13th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA. [ PDF ]

• Erickson, III, D. J., T. J. Blasing, R. T. Mills, F. M. Hoffman, M. L. Branstetter, M. T. DeVries, Z. Zhu, and S. R. Kawa. June 17-19, 2008. "Monthly Global Emissions of Anthropogenic CO₂: Atmospheric CO₂ Transport Calculations Based on NASA Data Assimilation." 13th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA. [ PDF ]

• Hoffman, Forrest M., James T. Randerson, Inez Fung, Peter Thornton, Jeff Lee, Curt Covey, David Erickson, Gordon Bonan, and Steve Running. April 28-May 2, 2008. "The Carbon-Land Model Intercomparison Project (C-LAMP): A Protocol and Metrics for Model-Data Comparison." NASA Carbon Cycle & Ecosystems Joint Science Workshop, University of Maryland Inn and Conference Center, Adelphi, Maryland, USA. [ PDF ]

• Hoffman, Forrest M., James T. Randerson, Inez Fung, Peter Thornton, Jeff Lee, Curt Covey, Gordon Bonan, and Steve Running. April 7-10, 2008. "The Carbon-Land Model Intercomparison Project (C-LAMP): A Protocol and Metrics for Model-Data Comparison." 23rd Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), Madison, Wisconsin, USA. [ PDF ]

  

• Hoffman, Forrest M., Salil Mahajan, William W. Hargrove, Richard T. Mills, Anthony D. Del Genio. March 12, 2008. "A Cluster Analysis Approach to Comparing Atmospheric Radiation Measurement (ARM) Data and Global Climate Model (GCM) Results." 18th Atmospheric Radiation Measurement (ARM) Science Team Meeting, Norfolk, Virginia, USA. [ PDF ] Winner of the First Place People's Choice Award at the 18th ARM Science Team Meeting.

• Hoffman, Forrest M., Jim Randerson, Inez Fung, Peter Thornton, and Jeff Lee. February 22, 2008. "Update on the Carbon-Land Model Intercomparison Project (C-LAMP)." Community Climate System Model (CCSM) Biogeochemistry Working Group Meetings, Boulder, Colorado, USA.

• Mahajan, Salil, Forrest M. Hoffman, William W. Hargrove, Sigurd W. Christensen, and Richard T. Mills. December 2007. "A Cluster Analysis Approach to Comparing Atmospheric Radiation Measurement (ARM) Data and Global Climate Model (GCM) Results." 2007 American Geophysical Union (AGU) Fall Meeting, San Francisco, California, USA. Abstract A41A-0010. [ PDF ]

• Hoffman, Forrest M., Jim Randerson, Inez Fung, Peter Thornton, Jeff Lee, and Curt Covey. December 2007. "Results from the Carbon-Land Model Intercomparison Project (C-LAMP)." 2007 American Geophysical Union (AGU) Fall Meeting, San Francisco, California, USA. Abstract B31B-0324. [ PDF ]

• Hoffman, Forrest M., Jim Randerson, Inez Fung, Peter Thornton, Jeff Lee, and Nan Rosenbloom. October 18, 2007. "The Carbon-Land Model Intercomparison Project (C-LAMP) and Its Relationship to C⁴MIP." AmeriFlux Science Team Meeting, Boulder, Colorado, USA.

• Hoffman, Forrest M., W. Mac Post, David Erickson, Marcia Branstetter, Anthony King, Jonathan Foley, Bala Govindasamy, Art Mirin. September 18, 2007. "Assessment of a Fully Coupled Global Model Based on CCSM3 Using the IBIS Biogeochemistry and Dynamic Global Vegetation Model." U.S. Department of Energy Climate Change Prediction Program (CCPP) Science Team Meeting, Indianapolis, Indiana, USA. [ PDF ]

• Hoffman, Forrest M., Inez Fung, Jim Randerson, Peter Thornton, Reto Stöckli, Steve Running, Curt Covey, David Bernholdt, and Dean Williams. September 18, 2007. "Results from the Carbon-Land Model Intercomparison Project (C-LAMP) and Availability of the Data on the Earth System Grid (ESG)." U.S. Department of Energy Climate Change Prediction Program (CCPP) Science Team Meeting, Indianapolis, Indiana, USA. [ PDF ]

• Hoffman, Forrest M., Inez Fung, Jim Randerson, Peter Thornton, Reto Stöckli, Steve Running, Curt Covey, David Bernholdt, and Dean Williams. June 27, 2007. "Results from the Carbon-Land Model Intercomparison Project (C-LAMP) and Availability of the Data on the Earth System Grid (ESG)." Scientific Discovery through Advanced Computing (SciDAC) 2007 Conference, Boston, Massachusetts, USA. [ PDF | PostScript ]

• Hoffman, Forrest M., and Jim Randerson. June 20, 2007. "Update on the CCSM Carbon-Land Model Intercomparison Project (C-LAMP)." Community Climate System Model (CCSM) Joint Biogeochemistry and Land Model Working Group Meetings, 12th Annual CCSM Workshop, Breckenridge, Colorado, USA.

• Hoffman, Forrest M., William W. Hargrove, William D. Meyer, and James D. Westervelt. April 12, 2007. "Using the PATH Model to Predict Corridors for Red-Cockaded Woodpecker and Gopher Tortoise Near Military Installations." 22nd Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), Tucson, Arizona, USA.

• Hargrove, William W. Forrest M. Hoffman and Matt Fitzpatrick. April 12, 2007. "Calculating Dispersal Pathways from Yellowstone to the Yukon and within the Southeastern Ecological Framework using the PATH Tool." 22nd Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), Tucson, Arizona, USA.

• Hoffman, Forrest M., William W. Hargrove, Richard T. Mills, Anthony D. Del Genio, and Jasna Pittman. March 27, 2007. "From Measurements to Models: Cross-Comparison of Measured and Simulated Behavioral States of the Atmosphere." 17th Atmospheric Radiation Measurement (ARM) Science Team Meeting, Monterey, California, USA. [ PDF | PostScript ]

• Hoffman, Forrest M. March 16, 2007. "Update on the CCSM Carbon-Land Model Intercomparison (C-LAMP)." Community Climate System Model (CCSM) Software Engineering Working Group Meeting, Boulder, Colorado, USA.

• Hoffman, Forrest M. March 3, 2007. "The CCSM Carbon-Land Model Intercomparison (C-LAMP)." The 9th International Workshop on Next Generation Climate Models for Advanced High Performance Computing Facilities and The 4th International Workshop on the Kyosei Project, Honolulu, Hawaii, USA.

• Hoffman, Forrest M. February 27, 2007. "Status of the CCSM Carbon-Land Model Intercomparison Project (C-LAMP)." Community Climate System Model (CCSM) Joint Biogeochemistry, Chemistry-Climate and Land Model Working Group Meetings, Boulder, Colorado, USA.

• Hargrove, William W. and Forrest M. Hoffman. January 25-26, 2007. "Representativeness Mapping of FluxNet Tower Sites." Joint Canada-Mexico-USA Carbon Program Planning Meeting, Colorado Springs, Colorado, USA. [ PDF ]

• Hargrove, William W. and Forrest M. Hoffman. January 22-24, 2007. "Constituency: Mapping the Areas that Flux Towers Represent Best." North American Carbon Program (NACP) Investigators Meeting, Colorado Springs, Colorado, USA. [ PDF ]

• Post, Wilfred "Mac," Anthony King, Lianhong Gu, Forrest Hoffman, Chris Kucharik, William Parton, Margaret Torn, Douglas Miller. January 22-24, 2007. "An Integrated Terrestrial Carbon Model (ITCM) for North America: Contraining Process Models with Experiments and Measurements for Analysis and Projection." North American Carbon Program (NACP) Investigators Meeting, Colorado Springs, Colorado, USA. [ PDF ]

• Hoffman, Forrest M., Inez Fung, Jim Randerson, Peter Thornton, Reto Stöckli, Faith Ann Heinsch, Steve Running, Kathy Hibbard, Jasmin John, Curt Covey, Jon Foley, W. Mac Post, William W. Hargrove, David J. Erickson, Natalie Mahowald. December 2006. "Preliminary Results from the CCSM Carbon-Land Model Intercomparison Project (C-LAMP)." 2006 American Geophysical Union (AGU) Fall Meeting, San Francisco, California, USA. Abstract B51C-0316. [ PDF ]

• Hargrove, William W., and Forrest M. Hoffman. December 2006. "Multivariate Geographic Clustering as a Basis for Ecoregionalization in the Environmental Sciences." 2006 American Geophysical Union (AGU) Fall Meeting, San Francisco, California, USA. Abstract IN41C-02. Invited.

• Erickson, David J., T. J. Blasing, Forrest M. Hoffman, Richard T. Mills, Z. Zhu, Stephan R. Kawa. December 2006. "Monthly Global Emissions of Anthropogenic CO₂: Atmospheric CO₂ Transport Calculations Based on NASA Data Assimilation." 2006 American Geophysical Union (AGU) Fall Meeting, San Francisco, California, USA. Abstract A41C-0044.

• Hoffman, Forrest M. November 2006. "Global Coupled Climate and Carbon Cycle Modeling." International Conference for High Performance Computing, Networking, Storage and Analysis (SuperComputing 2006 - SC06), Tampa, Florida, USA.

• Hargrove, William W., Forrest M. Hoffman, Bruce P. Hayden, Dean L. Urban, Jim A. MacMahon, and Jerry F. Franklin. November 15, 2006. "Development of a Domain Map for Nodes of the NSF's National Ecological Observatory Network (NEON)." International Conference for High Performance Computing, Networking, Storage and Analysis (SuperComputing 2006 - SC06), Tampa, Florida, USA.

• Hargrove, William W. and Forrest M. Hoffman. October 16-18, 2006. "Constituency: Mapping the Areas that Flux Towers Represent Best." AmeriFlux Science Team Meeting, Boulder, Colorado, USA. [ PDF | PostScript ]

• Hoffman, Forrest. October 11, 2006. "Biogeochemistry and Land Model Development for the Next Generation Earth System Model." SciDAC-2 Scalable and Extensible Earth System Model (SEESM) Project Kick-Off Meeting, Boulder, Colorado, USA.

• Randerson, Jim, Inez Fung, Forrest Hoffman, Curt Covey, Natalie Mahowald, Peter Thornton, Jeff Lee. October 6, 2006. "Carbon LAnd Model intercomparison Project (C-LAMP)." Coupled Climate-Carbon Cycle Model Intercomparison Project (C⁴MIP) Workshop, UK Met Office, Exeter, United Kingdom.

• Erickson, D. J. III, T. J. Blasing, R. T. Mills, F. M. Hoffman, M. T. DeVries, Z. Zhu, and S. R. Kawa. August 21-25, 2006. "Monthly Global Emissions of Anthropogenic CO₂: Atmospheric CO₂ Transport Calculations Based on NASA Data Assimilation." Joint Workshop on NASA Biodiversity, Terrestrial Ecology and Related Applied Sciences, University of Maryland, Adelphi, Maryland, USA.

• Hoffman, Forrest M. July 14, 2006. "CCSM Community Land Model and Biogeochemistry Development." Briefing for Dr. David Thomassen, Oak Ridge National Laboroatory, Oak Ridge, Tennessee, USA.

• Hoffman, Forrest M., Inez Fung, Jim Randerson, Peter Thornton, Jon Foley, Curtis Covey, Jasmin John, W. Mac Post, Mariana Vertenstein, Reto Stöckli, Steve Running, Faith Ann Heinsch, David Erickson, John Drake. June 27, 2006. "Terrestrial Biogeochemistry in the Community Climate System Model (CCSM)." Scientific Discovery through Advanced Computing (SciDAC) 2006 Conference, Denver, Colorado, USA. [ PDF | PostScript ]

• Hoffman, Forrest M., Inez Fung, Jasmin John, Jim Randerson, Peter Thornton, Jon Foley, Natalie Mahowald Keith Lindsay, Mariana Vertenstein, Curtis Covey, Reto Stöckli, Steve Running, Faith Ann Heinsch, W. Mac Post, and David Erickson. June 20-22, 2006. "Terrestrial Biogeochemistry Intercomparison Experiments." 11th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA. [ PDF | PostScript ]

• Hoffman, Forrest, Inez Fung, Jim Randerson, Peter Thornton, Curt Covey, Jasmin John, Reto Stöckli, Faith Ann Heinsch, and Steve Running. June 21, 2006. "CCSM Carbon LAnd Model Intercomparison Project (C-LAMP) Status and Plans." Community Climate System Model (CCSM) Workshop, Joint Land Model and Biogeochemistry Working Group Meetings, Breckenridge, Colorado, USA.

• Covey, Curtis, Inez Fung, Yun (Helen) He, Forrest Hoffman, and Jasmin John. April 25, 2006. "Diagnosis and Intercomparison of Climate Models with Interactive Biogeochemistry." U.S. Department of Energy Climate Change Prediction Program (CCPP) Science Team Meeting, Cambridge, Massachusetts, USA.

• Hoffman, Forrest M., Inez Fung, Jasmin John, Jim Randerson, Peter Thornton, Jon Foley, Natalie Mahowald Keith Lindsay, Mariana Vertenstein, Curtis Covey, Yun (Helen) He, W. Mac Post, David Erickson, and the CCSM Biogeochemistry Working Group. April 24, 2006. "Terrestrial Biogeochemistry Intercomparison Experiments." U.S. Department of Energy Climate Change Prediction Program (CCPP) Science Team Meeting, Cambridge, Massachusetts, USA. [ PDF | PostScript ]

• Hoffman, Forrest M., Pat Worley, Inez Fung, Jasmin John, Gordon Bonan, Sam Levis, Keith Oleson, Peter Thornton, and Mariana Vertenstein. April 24, 2006. "SciDAC Land Model Software Engineering." U.S. Department of Energy Climate Change Prediction Program (CCPP) Science Team Meeting, Cambridge, Massachusetts, USA. [ PDF | PostScript ]

• Hoffman, Forrest. April 24, 2006. "Update on SciDAC Land Model and Terrestrial Biogeochemistry Development." U.S. Department of Energy Climate Change Prediction Program (CCPP) Science Team Meeting, Cambridge, Massachusetts, USA.

• Hessburg, Paul, William W. Hargrove, Forrest M. Hoffman. March 31, 2006. "Mapcurves: A Quantitative Method for Comparng Categorical Maps." 21st Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), San Diego, California, USA.

• Hoffman, Forrest M., William W. Hargrove. March 31, 2006. "Using Clustered Climate Regimes for Understanding General Circulation Model Results." 21st Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), San Diego, California, USA.

• Baker, Barry, William W. Hargrove, Forrest M. Hoffman, and Mike Heiner. March 31, 2006. "Use of Multivariate Cluster and Climate Classification Techniques to Characterize Future Climate Scenarios in Peoples Republic of China." 21st Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), San Diego, California, USA.

• Hargrove, William W., Bruce Hayden, Dean Urban, James MacMahon, Jerry Franklin, and Forrest M. Hoffman. March 31, 2006. "Development of a Domain Map for Nodes of the National Ecological Observatory Network (NEON)." 21st Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), San Diego, California, USA.

• Hoffman, Forrest M., and William W. Hargrove. March 31, 2006. "Applying Quantitative Ecoregionalization to Network Analysis: Quantifying Representativeness and Determining Importance Values for AmeriFlux Sites." 21st Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), San Diego, California, USA.

• Hoffman, Forrest M., William W. Hargrove, Anthony D. Del Genio, and Jasna Pittman. March 28, 2006. "From Measurements to Models: Cross-Comparison of Measured and Simulated Behavioral States of the Atmosphere." 16th Atmospheric Radiation Measurement (ARM) Science Team Meeting, Albuquerque, New Mexico, USA. [ PDF | PostScript ]

• Hoffman, Forrest M., and William W. Hargrove. February 21, 2006. "Updated Flux-Relevant Ecoregionalization Analysis for the NACP Mid-Continent Intensive." North American Carbon Program (NACP) Mid-Continent Intensive Task Force Meeting, Boulder, Colorado, USA.

• Erickson, David, Jon Foley, Forrest Hoffman, Anthony King, and Art Mirin. February 20, 2006. "Global Coupled Climate-Carbon Models: CCSM3 Coupled with the Integrated Biosphere Simulator (IBIS)." American Association for the Advancement of Science (AAAS) Annual Meeting, St. Louis, Missouri, USA.

• Hoffman, Forrest. January 25, 2006. "Update on Terrestrial Biogeochemistry Intercomparison." Community Climate System Model (CCSM) Software Engineering Working Group (SEWG) Meeting, Boulder, Colorado, USA.

• Hargrove, William W., and Forrest M. Hoffman. January 25, 2006. "Quantifying Representativeness Importance Values for AmeriFlux Tower Locations." The 1^st Integrated Land Ecosystem-Atmosphere Processes Study (iLEAPS) Science Conference, Boulder, Colorado, USA. [ PDF ]

• Hoffman, Forrest, Peter Thornton, Inez Fung, and W. Mac Post. January 22, 2006. "Land-Atmosphere Interactions Exhibited by Coupled Carbon-Cycle Climate Models." The 1^st Integrated Land Ecosystem-Atmosphere Processes Study (iLEAPS) Science Conference, Boulder, Colorado, USA. [ PDF ]

• Hargrove, William W., and Forrest M. Hoffman. December 9, 2005. "Quantifying Representativeness Importance Values for AmeriFlux Sites." American Geophysical Union (AGU), 2005 Fall Meeting, San Francisco, California, USA. [ PDF ]

• Hoffman, Forrest, Inez Fung, and Jasmin John. December 7, 2005. "Preliminary Results from the C⁴MIP Phase 1 Simulations Using the CCSM3-CLM3-CASA' Coupled Model." American Geophysical Union (AGU), 2005 Fall Meeting, San Francisco, California, USA.

• Hargrove, William W., Forrest M. Hoffman, Bruce P. Hayden, Dean L. Urban, J. A. MacMahon, and J. F. Franklin. December 7, 2005. "Development of a Domain Map for Nodes of the National Ecological Observatory Network (NEON)." American Geophysical Union (AGU), 2005 Fall Meeting, San Francisco, California, USA.

• Carr, George R., John B. Drake, Michael W. Ham, Forrest M. Hoffman, Patrick H. Worley, and Sameer Shende. "Portable Performance Characterization of the CCSM with TAU." International Conference for High Performance Computing, Networking, Storage and Analysis (SC05), Seattle, Washington, USA. [ PDF ]

• Hoffman, Forrest M., William W. Hargrove, Paul F. Hessburg, Brion Salter. November 1, 2005. "Predicting National Susceptibility Patterns for Sudden Oak Death." P. ramorum (Sudden Oak Death) Modelers' Meeting, Asheville, North Carolina, USA.

• Hoffman, Forrest, William Hargrove, Inez Fung, Jasmin John, Pat Worley, George Carr, Michael Ham, David Erickson, John Drake, Trey White, Mariana Vertenstein, and Matthew Cordery. September 23, 2005. "Climate and Carbon Software Engineering and Research on High End Computers." Lawrence Berkeley National Laboratory (LBNL) Scientific Computing Seminar, Berkeley, California, USA.

• Hoffman, Forrest, Pat Worley, George Carr, Michael Ham, John Drake, Trey White, Mariana Vertenstein, and Matthew Cordery. September 12, 2005. "Climate Benchmark Results From High End Computing (HEC) Platforms." Computing in Atmospheric Sciences 2005 Workshop, Annecy, France.

• Hoffman, Forrest M., Inez Fung, and Jasmin John. June 23, 2005. "Status Update on CLM3-CASA' C⁴MIP Runs." 10th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA.

• Hoffman, Forrest M., Art Mirin, Jon Foley, Wilfred Post, David Erickson, Bala Govindasmy, Anthony King. June 21-23, 2005. "CCSM3-IBIS: Initial Testing of a Dynamic Terrestrial Ecosystem Model Fully Coupled to CCSM3." 10th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA. [ PDF ]

• Hoffman, Forrest M., Inez Fung, and Jasmin John. June 21-23, 2005. "Preliminary Results from the CASA' Module Coupled to CCSM3 for C⁴MIP." 10th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA. [ PDF | PostScript ]

• Carr, George R. Jr., Matthew J. Cordery, John B. Drake, Michael W. Ham, Forrest M. Hoffman, and Patrick H. Worley. June 21-23, 2005. "Porting and Performance of the Community Climate System Model (CCSM3) on the Cray X1." 10th Annual Community Climate System Model (CCSM) Workshop, Breckenridge, Colorado, USA.

• Hoffman, Forrest M. and Mariana Vertenstein. March 31-April 1, 2005. "Software Engineering to Support Biogeochemistry Experiments in CCSM3." Community Climate System Model (CCSM) Biogeochemistry Working Group Meeting, Boulder, Colorado, USA.

• Hoffman, Forrest M. March 17-18, 2005. "SciDAC Land Model Update." Scientific Discovery through Advanced Computing (SciDAC) Climate Consortium Meeting, Argonne National Laboratory, Argonne, Illinois, USA.

• Hoffman, Forrest M. and Mariana Vertenstein. March 16, 2005. "Software Engineering to Support Biogeochemistry Experiments in CCSM3." Community Climate System Model (CCSM) Software Engineering Working Group Meeting, Boulder, Colorado, USA.

• Hoffman, Forrest M., William W. Hargrove, and Anthony Del Genio. March 14-18, 2005. "Multivariate Spatio-Temporal Clustering of Time-Series Data: An Approach for Diagnosing Cloud Properties and Understanding ARM Site Representativeness." 15th Atmospheric Radiation Measurement (ARM) Science Team Meeting, Daytona Beach, Florida, USA. [ PDF | PostScript ]

• Hoffman, Forrest M. March 3, 2005. "Analysis of Reflected Spectral Signatures and Detection of Geophysical Disturbance Using Hyperspectral Imagery." North Carolina Geographic Information Systems Conference 2005, Winston-Salem, North Carolina, USA. Invited.

• Hoffman, Forrest M. and William W. Hargrove. December 14, 2004. "Quantifying Representation and Using Representation Weights to Interpolate Flux Tower Measurements Across the United States." American Geophysical Union, 2004 Fall Meeting, San Francisco, California, USA.

• Carr Jr., George R., Matthew J. Cordery, Ilene L. Carpenter, John B. Drake, Michael W. Ham, Forrest M. Hoffman, and Patrick H. Worley. November 6-12, 2004. "Porting and Performance of the Community Climate System Model (CCSM3) on the Cray X1." Poster presentation, SuperComputing 2004, Pittsburgh, Pennsylvania, USA.

• Hoffman, Forrest M. November 4, 2004. "Analysis of Reflected Spectral Signatures and Detection of Geophysical Disturbance Using Hyperspectral Imagery." Master's of Science Thesis Defense, Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee, USA.

• Hoffman, Forrest M., Mariana Vertenstein, Hideyuki Kitabata, J. B. White III, Patrick Worley, John Drake, Matthew Cordery. October 17-20, 2004. "Vectorizing the Community Land Model Version 3.0 (CLM3.0)." Department of Energy Climate Change Prediction Program (CCPP) Meeting, Seattle, Washington, USA. [ PDF | PostScript ]

• Hargrove, William W. and Forrest M. Hoffman. October 5-7, 2004. "Representativeness of AmeriFlux Network." Department of Energy AmeriFlux Science Team Meeting, Boulder, Colorado, USA.

• Hoffman, Forrest M. September 9, 2004. "SciDAC Land Surface Model Development and Related Research Activities." ORNL SciDAC Project Review, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA.

• Hoffman, Forrest M. and William W. Hargrove. August 6, 2004. "Why Linux Clusters Are Good for the Environment." University of Tennessee Innovative Computing Laboratory (ICL) Colloquium, Knoxville, Tennessee, USA.

• Hoffman, Forrest M. July 8, 2004. "Update on CASA' and C⁴MIP Simulations." 9th Annual Community Climate System Model (CCSM) Workshop, Biogeochemistry Working Group Meeting, Santa Fe, New Mexico, USA.

• Hoffman, Forrest M., Mariana Vertenstein, Hideyuki Kitabata, J. B. White III, Patrick Worley, John Drake, Matthew Cordery. July 7-9, 2004. "Vectorizing the Community Land Model Version 3.0 (CLM3.0)." 9th Annual Community Climate System Model (CCSM) Workshop, Santa Fe, New Mexico, USA. [ PDF | PostScript ]

• White, James B., Forrest M. Hoffman, and Mariana Vertenstein. May 17-21, 2004. "Adventures in Vectorizing the Community Land Model." 2004 Cray Users Group (CUG) Annual Meeting, Knoxville, Tennessee, USA. [ PDF ]

• Hoffman, Forrest M. May 18, 2004. "SciDAC Update on the Community Land Model (CLM)." Scientific Discovery through Advanced Computing (SciDAC) Project Meeting, Boulder, Colorado, USA.

• Hargrove, William W. and Forrest M. Hoffman. March 30-April 2, 2004. "A Practical Map-Analysis Tool for Detecting Dispersal Corridors." 19th Annual Symposium of the International Association for Landscape Ecology, United States Regional Association (US-IALE), Las Vegas, Nevada, USA.

• Hoffman, Forrest, William W. Hargrove, David J. Erickson, and Robert J. Oglesby. December 8, 2003. "A Novel Method for Analyzing and Interpreting GCM Results Using Clustered Climate Regimes." Poster GC12A-0155. American Geophysical Union (AGU) Fall Meeting, December 8-12, 2003, San Francisco, California, USA. [ PDF | PostScript ]

• Hoffman, Forrest M. and Mariana Vertenstein. October 21, 2003. "Progress Report on SciDAC Terrestrial Model Collaboration." Scientific Discovery through Advanced Computing (SciDAC) Project Review Meeting, Oak Ridge, Tennessee, USA.

• Hargrove, William W. and Forrest M. Hoffman. October 14-17, 2003. "Using Representativeness to Guide Expansion of the AmeriFlux Network." AmeriFlux Science Team Meeting and Dept. of Energy Terrestrial Carbon Processes (TCP) Annual Meeting, Boulder, Colorado, USA. [ PDF | PostScript ]

• Hoffman, Forrest M. August 11-13, 2003. "Thinking in Parallel: Concepts in Beowulfery." Georgetown University Parallel Processing Workshop, Washington, DC, USA.

• Hoffman, Forrest M. and William W. Hargrove. July 11, 2003. "The Stone SouperComputer: Applying a Heterogeneous Beowulf-Style Cluster to Ecological Multivariate Clustering." East Tennessee Computer Society (ETCS) Meeting, Knoxville, Tennessee, USA.

• Hoffman, Forrest M., Trey White, and Mariana Vertenstein. June 25, 2003. "Vectorizing the CLM: Progress and Plans." Community Climate System Model (CCSM) Annual Meeting, Land Model Working Working Group, Breckenridge, Colorado, USA.

• Hoffman, Forrest M., William W. Hargrove, David J. Erickson, and Robert J. Oglesby. June 24-26, 2003. "Using Multivariate Spatio-Temporal Clustering to Establish Climate Regimes from Parallel Climate Model (PCM) Results." Community Climate System Model (CCSM) Annual Meeting, Breckenridge, Colorado, USA. [ PDF | PostScript ]

• Worley, Patrick H., Forrest M. Hoffman, Mariana Vertenstein, and John B. Drake. June 24-26, 2003. "Recent Performance Improvements in the Community Atmospheric Model (CAM2)." Community Climate System Model (CCSM) Annual Meeting, Breckenridge, Colorado, USA. [ PDF | PostScript ]

• Hoffman, Forrest M., Trey White, and Mariana Vertenstein. June 23, 2003. "Early Vectorization Results for the CLM." SciDAC Meeting at the Community Climate System Model (CCSM) Annual Meeting, Breckenridge, Colorado, USA.

• Hoffman, Forrest M. and Mariana Vertenstein. June 23, 2003. "Performance Improvement of CAM/CLM Coupling." SciDAC Meeting at the Community Climate System Model (CCSM) Annual Meeting, Breckenridge, Colorado, USA.

• Hoffman, Forrest M., William W. Hargrove, and Anthony D. Del Genio. April 1-3, 2003. "Multivariate Spatio-Temporal Clustering of Time-Series Data: An Approach for Diagnosing Cloud Properties and Understanding ARM Site Representativeness." U. S. Department of Energy Atmospheric Radiation Measurement (ARM) Program Science Team Meeting, Broomfield, Colorado, USA. [ PDF | PostScript ]

• Worley, Patrick H., Forrest M. Hoffman, Mariana Vertenstein, and John B. Drake. March 17, 2003. "Recent Performance Improvements in the Community Atmospheric Model (CAM2)." U. S. Department of Energy Climate Change Prediction Program Meeting, Charleston, South Carolina, USA. [ PDF | PostScript ]

• Hoffman, Forrest M. and Mariana Vertenstein. February 25, 2003. "Performance Improvement of CAM/CLM Coupling." Community Climate System Model (CCSM) Land Model Working Group Meeting, Boulder, Colorado, USA.

• Hoffman, Forrest M., William W. Hargrove, David J. Erickson III, and Robert Oglesby. "Using Clustered Climate Regimes for Understanding Water Cycle Variability." American Meteorological Society (AMS) 83rd Annual Meeting, February 9-13, 2003, Long Beach, California, USA.

• Hoffman, Forrest, Robert Oglesby, William W. Hargrove, David Erickson. December 7, 2002. Using Clustering to Establish Climate Regimes from PCM Output. Poster A61C-0090. American Geophysical Union (AGU) Fall Meeting, December 6-10, 2002, San Francisco, California, USA. [ PDF | PostScript: left - right ]

• Hoffman, Forrest, Pat Worley, John Drake. November 16-22, 2002. Parallel Data Structure and MxN Mapping Introduced into the Community Land Model (CLM). Presented at SuperComputing 2002 (SC2002), Baltimore, Maryland, USA. [ PDF | PostScript ]

• Hoffman, Forrest M., William W. Hargrove, David J. Erickson, and Robert Oglesby. November 16-22, 2002. Climate Regimes Statistically Determined from PCM Model Output. Presented at SuperComputing 2002 (SC2002), Baltimore, Maryland, USA. [ PDF | PostScript ]

• Hoffman, Forrest M., William W. Hargrove, David J. Erickson, and Robert Oglesby. September 6, 2002. Using Clustering to Establish Climate Regimes from a Global Climate Model. Presented at the U.S. Department of Energy, Office of Biological and Environmental Research Seminar, Germantown, Maryland, USA.

• Hargrove, William W., and Forrest M. Hoffman, August 6, 2002. Computer-generated Ecoregions as a Basis for Sampling-network Design. Fourth Annual Fish and Wildlife Service Region 4 GIS Training Workshop, Management Track, Cookeville, Tennessee, USA. Invited.

• Hoffman, Forrest M., William W. Hargrove, David J. Erickson, and W. Oglesby. August 2, 2002. Animations and Early Clustering Results Using PCM Model Output. FishHeads Friday, ORNL Environmental Sciences Division, Oak Ridge, Tennessee, USA.

• Henebry, Geoffrey M., William W. Hargrove, Forrest M. Hoffman, Brian C. Putz, and James W. Merchant. July 2002. Delineating and Resolving Ecoregions Statistically: Sorting Out Contexts for Wildlife Habitat. National GAP Program Annual Meeting, Shepardsville, West Virginia, USA. [ PDF ]

• Hargrove, William W., and Forrest M. Hoffman. July 25, 2002. Computer-generated Ecoregions as a Basis for Sampling-network Design. Invited presentation at the U.S. Dept. of Agriculture Germplasm Research Information Network Meeting, Beltsville, Maryland, USA

• Hoffman, Forrest M., William W. Hargrove, David J. Erickson, and Robert Oglesby. June 25-28, 2002. Animations and Early Clustering Results Using PCM Model Output. Community Climate System Model (CCSM) Annual Meeting, Climate Change and Assessment Working Group, Breckenridge, Colorado, USA. Invited.

• Hoffman, Forrest M., William W. Hargrove. June 22-25, 2002. Data Mining with Multivariate Spatio-Temporal Clustering. C. Warren Neel Conference on the New Frontiers of Statistical Data Mining and Knowledge Discovery, Knoxville, Tennessee, USA. Invited.

• Hargrove, William W., and Forrest M. Hoffman. May 2002. The Stone SouperComputer: a Beowulf-style Cluster for Tackling Ecological Computational Problems. Nashville Linux Users Group Meeting, Nashville, Tennessee, USA. Invited.

• Hargrove, William W., and Forrest M. Hoffman. April 23-28, 2002. Computer-generated Ecoregions as a Basis for Sampling-network Design. Seventeenth Annual International Association of Landscape Ecologists (IALE) Meeting, Lincoln, Nebraska, USA.

• Hoffman, Forrest M. March 28, 2002. Draft Community Land Model (CLM) Requirements Document. Community Climate System Model (CCSM) Land Model Working Group Meeting, Boulder, Colorado, USA.

• Hargrove, William W. and Forrest M. Hoffman. April 25-29 2001. Multivariate Ecoregions of the United States: A Statistical Delineation. International Association of Landscape Ecologists (IALE), Tempe, Arizona, USA.

• Hoffman, Forrest M. and William W. Hargrove. March 2, 2001. Pushing the Envelope: Multivariate Spatio-Temporal Clustering Using a Parallel Computer. North Carolina Geographic Information Systems Conference (NCGIS) 2001: A Spatial Odyssey, Winston-Salem, North Carolina, USA.

• Hargrove, William W. and Forrest M. Hoffman. October 18, 2000. From Aesop's Fable to Beowulf: The (Soon-to-Be) Legend of the Stone SouperComputer. Friends of ORNL, Oak Ridge, Tennessee, USA.

• Hoffman, Forrest M. September 18, 2000. The Stone SouperComputer Project at ORNL. Smoky Mountain Chapter of the American Meteorological Society, Knoxville, Tennessee, USA.

• Hoffman, Forrest M., William W. Hargrove, John B. Drake, and W. Mac Post. November 1999. "Regional Climate Modeling and Multivariate Geographic Clustering." SuperComputing 1999 (SC99), Portland, Oregon, USA.

• Hargrove, William W., Forrest M. Hoffman, Jonathan Adams. July 29-August 3, 1999. "Mapping Similarities between Paleoclimate and Present-day Growing Conditions using Multivariate Geographic Clustering Through Time." Presentation at the International Association of Landscape Ecologists (IALE), Snowmass, Colorado, USA.

• Hoffman, Forrest M. and William W. Hargrove. June 28-July 1, 1999. "Multivariate Geographic Clustering Using a Beowulf-style Parallel Computer." Presentation at the International Converence on Parallel and Distributed Processing Techniques and Applications (PDPTA '99), Las Vegas, Nevada, USA.

• Hoffman, Forrest M. and William W. Hargrove. May 18-22, 1999. "Applying a Heterogeneous Beowulf-style Cluster to Ecological Multivariate Geographic Clustering." Presentation at the 5th Annual Linux Expo, Raleigh, North Carolina, USA.

• Gwo, J. P., Forrest M. Hoffman, and Hartmut Frenzel. March 24-27, 1999. "Integration and Multiscale Application of a Hydrobiogeochemical Model." Presentation at the Fifth SIAM Conference on Mathematical and Computational Issues in the Geosciences, San Antonio, Texas, USA.

• Hoffman, Forrest M. October 12-13, 1995. "Distributing Scientific and Technical Information on the Internet With Hypermedia." Presentation at the 19th Annual Practical Conference on Communication (PCOC), Oak Ridge, Tennessee, USA.

• Levine, Daniel A., William W. Hargrove, and Forrest M. Hoffman. March 28-April 2, 1995. "Characterization of Sediments in the Clinch River, Tennessee, Using Remote Sensing and Multi-Dimensional GIS Techniques." Presentation at the Ninth Annual Symposium on Geographic Information Systems, Vancouver, British Columbia, Canada, USA.

• Hargrove, William W., Forrest M. Hoffman, Daniel A. Levine. March 28-April 2, 1995. "Interpolation of Bottom Bathymetry and Potential Erosion in a Large Tennessee Reservoir System Using GRASS." Presentation at the Ninth Annual Symposium on Geographic Information Systems, Vancouver, British Columbia, Canada, USA.

• Hoffman, Forrest M. February 21-23, 1995. "Deployment of Internet Technologies at Oak Ridge National Laboratory." Abstract and presentation at WATTec '95 Conference, Knoxville, Tennessee, USA.

• Hoffman, Forrest M. November 4, 1994. "Converting Hard Copy Documents for Electronic Dissemination." Presentation at the 18th Annual Practical Conference on Communication (PCOC), Oak Ridge, Tennessee, USA.

• Hoffman, Forrest M. October 18, 1994. "An Internet Primer for Earth Scientists." Presentation at the Association of Earth Science Editors (AESE) '94 Conference, Oak Ridge, Tennessee, USA.

• Hoffman, Forrest M. September 13, 1994. "The World Wide Web and ORNL." Presentation at the joint meeting of the IEEE East Tennessee and Oak Ridge Sections, Oak Ridge, Tennessee, USA.

• Hoffman, Forrest M. March 30, 1994. "The World Wide Web and ORNL." Presentation to the Oak Ridge National Laboratory Executive Committee, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA.

• Hoffman, Forrest M. February 23, 1994. "How Do I Connect to the Internet? Let Me Count the Ways." Abstract and presentation at WATTec '94 Conference, Knoxville, Tennessee, USA.

• Tripathi, Vijay S., Forrest M. Hoffman, and David L. Battle. April 1990. "GEOCHEM: An Expert System for Interpreting Complexation, Adsorption, Dissolution-Precipitation and Oxidation-Reduction Reactions in Natural Systems." Invited presentation at the Society of Photo-Optical Instrumentation symposium on Artificial Intelligence Applications, Orlando, Florida, USA.

• Tripathi, Vijay S. and Forrest M. Hoffman. November 8, 1989. "An Object-Oriented, Network-Based Geochemical Expert System for Automated Study and Analysis of Solution-Mineral Interactions." Presentation at the session on Application of Artificial Intelligence, Expert System or Knowledge-Based System Methods in Geological Sciences at the Annual Meeting of the Geological Society of America, St. Louis, Missouri, USA.