T105 Feedback in Earth Systems: Determining System Response to Perturbation Through Observations and Modeling

Monday, 28 October 2002
1:30 PM - 5:30 PM

Presentations

• 1:30 PM
  CYANOBACTERIAL EMERGENCE AT 2.8 GYA AND GREENHOUSE FEEDBACKS
  David W. Schwartzman, Howard Univ, Washington, DC and Ken Caldeira, Lawrence Livermore National Lab, Livermore, CA
  44609 (Technical Sessions)
• 1:50 PM
  RESERVOIR SIZE, RESIDENCE TIME, AND THE RATE OF ISOTOPIC CHANGE: EXAMINING THE BEHAVIOR OF MESOPROTEROZOIC MARINE SULFATE
  L.C. Kah, Univ of Tennessee, Knoxville, TN and T.W. Lyons, Univ of Missouri, Columbia, MO and T.D. Frank, Univ of Nebraska, Lincoln, NE
  37569 (Technical Sessions)
• 2:05 PM
  MA\XIMUM AND MINIMUM OBLIQUITY CYCLES IN THE LATE CARBONIFEROUS ROCKY MOUNTAINS
  Linda S.S. Smith, Katmandu, N/A and Bette L. Otto-Bliesner, UCAR, Boulder, CO and Christine Shields, UCAR, Boulder, CO and Ester Bradley, UCAR, Boulder, CO and Casper Ammon, UCAR, Boulder, CO
  38167 (Technical Sessions)
• 2:20 PM
  FEEDBACK AND PHANEROZOIC ATMOSPHERIC CO2 AND O2
  Robert A. Berner, Yale Univ, New Haven, CT
  37878 (Technical Sessions)
• 2:40 PM
  BURNING EXPERIMENTS AND LATE PALEOZOIC HIGH O2 LEVELS
  Richard A. Wildman, Yale Univ, New Haven, CT and Jennifer M. Robinson, Murdoch Univ, Murdoch, N/A and Robert H. Essenhigh, Ohio State Univ, Columbus, OH and Leo Hickey, Yale Univ, New Haven, CT and Robert A. Berner, Yale Univ, New Haven, CT
  40152 (Technical Sessions)
• 2:55 PM
  A LATE CRETACEOUS CHRONOLOGY OF LARGE, RAPID SEA-LEVEL CHANGES: GLACIOEUSTASY DURING THE GREENHOUSE WORLD
  Kenneth G. Miller, Rutgers, The State Univ of New Jersey, Piscataway, NJ and Peter Sugarman, New Jersey Geol Survey, Trenton, NJ and James V. Browning, Rutgers, The State Univ of New Jersey, Piscataway, NJ and Michelle A. Kominz, Western Michigan University, Kalamazoo, MI and John C. Hernandez, Rutgers, The State University of New Jersey, Piscataway, NJ and Richard K. Olsson, Rutgers, The State University of New Jersey, Piscataway, NJ and Miriam E. Katz, Rutgers, The State University of New Jersey, Piscataway, NJ and James D. Wright, Rutgers, The State University of New Jersey, Piscataway, NJ
  44909 (Technical Sessions)
• 3:10 PM
  SEAWATER STRONTIUM/CALCIUM RATIO INDICATES PLATE TECTONIC CONTROL ON THE EVOLUTION OF CARBONATE SEDIMENTATION
  Thomas Steuber, Ruhr Univ, Bochum, N/A
  39732 (Technical Sessions)
• 3:40 PM
  CARBON ISOTOPE EXCURSIONS: FLUXES, FEEDBACKS AND FALLACIES
  Michael A. Arthur, Pennsylvania State Univ, University Park, PA and Lee R. Kump, Pennsylvania State Univ, University Park, PA
  42520 (Technical Sessions)
• 3:55 PM
  FEEDBACK MECHANISMS IN THERMALLY ACTIVE MEDIUM DUE TO THE PRESENCE OF GRAVITY AND ATOMIC FORCES LEAD TO SELF-ORGANIZATION IN WEATHERING PROCESSES AS SEEN IN THE PIKES PEAK GRANITE, COLORADO
  Robert W. Blair, Mountain Studies Institute, Silverton, CO
  46104 (Technical Sessions)
• 4:10 PM
  DOWNSTREAM ADJUSTMENT OF CHANNEL WIDTH TO SPATIAL GRADIENTS IN RATES OF ROCK UPLIFT AT NAMCHE BARWA
  David R. Montgomery, Univ of Washington, Seattle, WA and Noah Finnegan, Univ of Washington, Seattle, WA and Alison Anders, Univ of Washington, Seattle, WA and Bernard Hallet, Univ of Washington, Seattle, WA
  45719 (Technical Sessions)
• 4:30 PM
  VARIATION IN AQUIFER HYDRAULIC GRADIENT RELATED TO NEAR-DECADAL CLIMATE CHANGES
  Michael J. Rohe, Idaho National Engineering and Environmental Lab, Idaho Falls, ID and Richard P. Smith, Idaho National Engineering and Environmental Lab, Idaho Falls, ID and Travis McLing, Idaho National Engineering and Environmental Lab, Idaho Falls, ID
  43593 (Technical Sessions)
• 4:45 PM
  POSITIVE FEEDBACK AT THE MINERAL-MICROBE-WATER INTERFACE: A FEW EXAMPLES
  Susan L. Brantley, Penn State, Univ Pk, PA and Laura Liermann, Penn State, Univ Pk, PA and Irene Schaperdoth, Penn State, Univ Pk, PA
  45373 (Technical Sessions)
• 5:05 PM
  MULTIPLE STEADY STATES CREATED BY POSITIVE FEEDBACK AND THEIR EFFECTS ON SYSTEM RESPONSE TO PERTURBATION
  J. Alcock, Penn State Abington College, Abington, PA
  38346 (Technical Sessions)