North-Central Section - 39th Annual Meeting (May 1920, 2005)
Session No. 19 Thursday, 19 May 2005
1:20 PM-5:20 PM, Radisson Metrodome: University C Ballroom

T11. Landscape Development

Lesley A. Perg and Kelly MacGregor, Presiding
 Paper #Start Time
19-11:20 PM RECORDS OF PAST EROSION RATES FROM COSMOGENIC-NUCLIDE CONCENTRATIONS IN OLD ALLUVIUM: BALCO, Greg, Dept of Earth and Space Sciences and Quaternary Research Center, Univ of Washington, Seattle, WA 98195-1310, balcs@u.washington.edu and STONE, John O., Department of Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195-1310
19-21:40 PM SURFACE ANALYSIS USING BOTH COSMOGENIC NUCLIDE DATING AND AIRBORNE LASER SWATH MAPPING (ALSM) ON OFFSET ALLUVIAL FANS ON THE CALICO FAULT, MOJAVE DESERT, CALIFORNIA: BLUMENTRITT, D.J.1, PERG, L.A.1, and OSKIN, M.E.2, (1) National Center for Earth-surface Dynamics, Dept. of Geology and Geophysics, Univ of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455, blum0123@umn.edu, (2) Department of Geological Sciences, Univ of North Carolina at Chapel Hill, CB #3315, Chapel Hill, NC 27599
19-31:55 PM INTERPLAY OF LANDSCAPE RESPONSE TO TECTONIC OR CLIMATIC PERTURBATIONS AND COSMOGENIC-NUCLIDE CONCENTRATIONS: IMPLICATIONS FOR CALCULATING BASIN-SCALE EROSION RATES: SWENSON, John B., Department of Geological Sciences and Large Lakes Observatory, Univ of Minnesota Duluth, 1114 Kirby Dr, Duluth, MN 55812, jswenso2@d.umn.edu and BROWN, Erik T., Large Lakes Observatory and Dept of Geol. Sci, Univ of Minnesota Duluth, Duluth, MN 55812
19-42:15 PM INFLUENCE OF ALPINE GLACIAL EROSION ON THE HEIGHT AND MORPHOLOGY OF THE WASHINGTON CASCADES: MITCHELL, Sara Gran, Earth and Space Sciences, Univ of Washington, Box 351310, University of Washington, Seattle, WA 98195, sgm1@u.washington.edu and MONTGOMERY, David R., Earth and Space Sciences & Quaternary Research Center, Univ of Washington, 63 Johnson Hall, Box 351310 University of Washington, Seattle, WA 98195
19-52:30 PM PHYSIOGRAPHIC CONTROLS ON FIRE REGIMES IN CENTRAL MINNESOTA OVER THE PAST 1000 YEARS: HARTLEY, Andrew and SHUMAN, Bryan, Geography, Univ of Minnesota, 414 Social Science Building, 267 - 19th Avenue S, Minneapolis, MN 55455, hart0392@umn.edu
19-62:45 PM ARIDITY AND THE EVOLUTION OF CLOSED BASINS IN ASIA: CARROLL, Alan R., Department of Geology and Geophysics, Univ of Wisconsin, 1215 W Dayton St, Madison, WI 53706, carroll@geology.wisc.edu, GRAHAM, S.A., Department of Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305, and SMITH, M. Elliot, Department of Geology and Geophysics, Univ of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706-1692
19-73:05 PM EVOLUTION OF BRAIDED MORPHOLOGY IN RESPONSE TO VEGETATION FORCING IN A LABORATORY CHANNEL: TAL, Michal, Geology & Geophysics, Univ of Minnesota, 310 Pillsbury Drive SE, Room 108, Minneapolis, MN 55455-0219, talx0001@umn.edu and PAOLA, Chris, National Ctr for Earth-surface Dynamics, St. Anthony Falls Laboratory, 2 Third Ave. SE, Minneapolis, MN 55414
19-83:20 PM BED DEFORMATION BY ICE SHEETS: EVALUATING THE ASSUMPTIONS BEHIND THE PARADIGM: IVERSON, Neal R.1, HOOYER, Thomas S.2, THOMASON, Jason1, MOORE, Peter1, FISCHER, Urs H.3, and COHEN, Denis1, (1) Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011, niverson@iastate.edu, (2) Wisconsin Geological and Natural History Survey, Univ of Wisconsin, Madsion, 53705, (3) Laboratory of Hydraulics, Hydrology and Glaciology, ETH, Zurich, CH-8092, Switzerland
19-93:40 PM USE OF ANISOTROPY OF MAGNETIC SUSCEPTIBILITY TO INFER TILL SHEAR STRAIN IN A DRUMLIN OF THE GREEN BAY LOBE, WISCONSIN: GRAESCH, Matthew Allan, Geological Atmospheric Sciences, Iowa State Univ, 353 Science 1, Ames, IA 50011, mgraesch@iastate.edu, IVERSON, Neal R., Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011, and JACKSON, Michael, Institute for Rock Magnetism, 291 Shepard Labs, 100 Union Street S.E, Minneapolis, MN 55455
19-103:55 PM A LABORATORY AND FIELD STUDY OF THE MICROSTRUCTURAL STRAIN SIGNATURE IN A BASAL TILL, LAKE MICHIGAN LOBE: THOMASON, Jason F. and IVERSON, Neal R., Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011, jfthom@iastate.edu
19-114:10 PM EVALUATING THEORETICAL MODELS FOR THE SPATIAL DISTRIBUTION OF SUBGLACIAL EROSION IN THE SAWATCH RANGE OF COLORADO: LABLANC, Kelly J., Department of Geology, Univ of Cincinnati, 500 Geology/Physics Bldg, Cincinnati, OH 45221, klablanc@hotmail.com
19-124:25 PM EROSION AT THE SUMMIT: UNLOCKING THE KEY TO CIRQUE FORMATION: MATHERS, Genevive R. and MACGREGOR, Kelly R., Department of Geology, Macalester College, 1600 Grand Ave, St. Paul, MN 55105, gmathers@macalester.edu
19-134:40 PM A QUARRYING EXPERIMENT BENEATH A THICK VALLEY GLACIER: ROLE OF TRANSIENT WATER PRESSURE: HOOYER, Thomas S.1, COHEN, Denis2, IVERSON, Neal P.2, THOMASON, Jason2, and JACKSON, Miriam3, (1) Wisconsin Geological and Natural History Survey, Univ of Wisconsin, Madison, WI 53705, tshooyer@wisc.edu, (2) Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011, (3) Norwegian Water Rscs and Energy Directorate, Oslo, Norway

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