GSA Home Page Denver 2004 - Geoscience in a Changing World

Pardee Keynote Symposia

Invited Papers

These Pardee keynote sessions are special events of broad interest to the geoscience community. They represent hot issues on the leading edge in a scientific discipline or area of public policy, address broad fun­da­mental issues, and are interdisciplinary. Selection was on a competitive basis. This year’s eight Pardee Symposia were reviewed and accepted by the Annual Program Committee. (All speakers are invited.)

The Pardee Keynote Symposia are made possible by a grant from the Joseph T. Pardee Memorial Fund.


Technical Program Schedule

P4 top Medical Geology
Sunday, November 7, 8:00 a.m. – Noon, Ballroom 2/3
GSA Engineering Geology Division
Syed E. Hasan, University of Missouri, Kansas City, Mo.
Many health problems, including cancer, heart, and central nervous system diseases, etc., have links to geologic factors. Experts from geosciences, public policy, and health sciences will discuss new developments in the emerging field of medical geology.    [ more details ]
Environmental Geoscience; Geoscience Education; Public Policy
P3 top Geoscientific Aspects of Human and Ecosystem Vulnerability
Sunday, November 7, 1:30 – 5:30 p.m., Ballroom 2/3
U.S. National Committee for Geosciences; GSA Critical Issues Caucus; GSA Geology and Public Policy Committee; GSA Geology and Society Division
Susan W. Kieffer, University of Illinois, Champaign-Urbana, Ill.; Grant Heiken, Los Alamos National Lab, Los Alamos, N.Mex.
Humans and the ecosystems on which they depend are vulnerable to a variety of natural hazards and their mismanagement. This session will explore the response to, and need for, mitigation of large-scale hazards with long time scales.    [ more details ]
Public Policy; Environmental Geoscience; Geoscience Information/Communication
P5 top Adversity, Advantages, Opportunities: Phanerozoic Stromatolites as "Survivor" vs. "Disaster" Taxa
Monday, November 8, 8:00 a.m. – Noon, Ballroom 2/3
Paleontological Society; GSA Geobiology and Geomicrobiology Division
Constance M. Soja, Colgate University, Hamilton, N.Y.; Robert Riding, University of Cardiff, Cardiff, United Kingdom
This interdisciplinary forum will reexamine the role of stromatolites in Phanerozoic ecosystems, particularly the importance of post-Cryptozoic microbial communities; the biotic and abiotic agents that contributed to their development, decline, and preservation; and their co-evolutionary history with metazoans.    [ more details ]
Paleontology/Paleobotany; Geomicrobiology; Sediments, Carbonates
P1 top Early Paleoproterozoic (2.5-2.0 Ga) Events and Rates: Bridging Field Studies and Models
Monday, November 8, 1:30 – 5:30 p.m., Ballroom 2/3
Geochemical Society; Astrobiology Program; GSA Sedimentary Geology Division; SEPM-Society for Sedimentary Geology
Andrey Bekker, Geophysical Lab, Carnegie Institution of Washington, Washington, D.C.; Mark E. Barley, The University of Western Australia, Western Australia, Australia; Robert H. Rainbird, Geological Survey of Canada, Ottawa, Ontario
Field-oriented and modeling studies dealing with the 2.5-2.0 Ga Earth's evolution are invited. Session will be focused on relationships between tectonics, change in atmospheric composition, and climatic changes as well as the rates of these changes.   [ more details ]
Precambrian Geology; Paleoclimatology/Paleoceanography; Tectonics
P6 top Pre-Mesozoic Impacts: Their Effect on Ocean Geochemistry, Magnetic Polarity, Climate Change, and Organic Evolution
Tuesday, November 9, 8:00 a.m. – Noon, Ballroom 4
GSA Planetary Geology Division; Paleontological Society
Charles A. Sandberg, U.S. Geological Survey, Denver, Colo.; Jared R. Morrow, University of Northern Colorado, Greeley, Colo.; Christian Koeberl, University of Vienna, Vienna, Austria
Pre-Mesozoic comet and meteorite impacts produced extreme oceanic and climate changes, causing mass extinctions followed by rapid radiation of surviving organisms. Thus, they were the driving mechanism in the early evolution of life on Earth.    [ more details ]
Planetary Geology; Paleontology/Paleobotany; Paleoclimatology/Paleoceanography
P2 top Geoinformatics and the Role of Cyberinfrastructure in Geosciences Research
Tuesday, November 9, 8:00 a.m. – Noon, Ballroom 2/3
Randy Keller, University of Texas, El Paso, Texas; Lee Allison, Kansas Geological Survey, Lawrence, Kans.
This session consists of presentations on geoinformatics and the use of advanced information technology in support of research in the geosciences. The talks will provide an overview of cyberinfrastructure that is emerging and describe projects that are developing as well as using this cyberinfrastructure.    [ more details ]
Geophysics/Tectonophysics/Seismology; Structural Geology; Tectonics
P8 top Weathering, Slopes, Climate, and Late-Quaternary Geomorphic Change in Arid and Semi-Arid Landscapes
Tuesday, November 9, 1:30 – 5:30 p.m., Ballroom 2/3
GSA Quaternary Geology and Geomorphology Division
Leslie D. McFadden, University of New Mexico, Albuquerque, N.Mex.; Grant A. Meyer, University of New Mexico, Albuquerque, N.Mex.; Peter J. Fawcett, University of New Mexico, Albuquerque, N.Mex.
Dryland slopes are climatically sensitive because large changes in vegetation and weathering can result from modest changes in moisture. This session explores effects of late Quaternary and potential future climates on slope processes and forms.    [ more details ]
Quaternary Geology/Geomorphology; Environmental Geoscience; Paleoclimatology/Paleoceanography
P7 top Seeing Mars with New Eyes: Active Missions, Science Results and Geoscience Education
Wednesday, November 10, 8:00 a.m. – Noon, Ballroom 2/3
GSA Planetary Geology Division; Geoscience Education Division
Eric B. Grosfils, Pomona College, Claremont, Calif.; Susan Sakimoto, NASA/GSFC, Greenbelt, Md.
In 2004, multiple spacecraft are exploring Mars simultaneously. This session will present some of the most recent and exciting science results and demonstrate how the available data can be used to enhance geoscience education activities.    [ more details ]
Planetary Geology; Geoscience Education

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