GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 6
Sunday, 25 September 2016: 8:00 AM-12:00 PM
Room 405 (Colorado Convention Center)

T55. Heterogeneity in Geomorphic Systems: Driving Forces and Landscape Response

GSA Quaternary Geology and Geomorphology Division; GSA Sedimentary Geology Division; SEPM (Society for Sedimentary Geology)
Charles M. Shobe and Rachel C. Glade, Advocates
6-1
8:00 AM
EXPLORING THE LITHOLOGIC INFLUENCE ON BEDROCK RIVER MORPHOLOGY THROUGH THE SALMON RIVER WATERSHED OF CENTRAL IDAHO
MITCHELL, Nathaniel, Department of Geological Sciences, University of Idaho, 875 Perimeter Drive, MS 3022, Moscow, ID 83844-3022 and YANITES, Brian J., Geological Sciences, Indiana University, 1001 East 10th Street, Bloomington, IN 47405, mitc6996@vandals.uidaho.edu
6-2
8:15 AM
EXAMINING ALTERNATIVE HYPOTHESES FOR HOLOCENE STRATH TERRACE FORMATION: THE ROLE OF SEDIMENT RETENTION AND WOODY DEBRIS
SCHANZ, Sarah A., Earth & Space Sciences Department, University of Washington, 4000 15th Ave NE, Box 351310, Seattle, WA 98195, MONTGOMERY, David R., Seattle, WA 98195, COLLINS, Brian D., Earth and Space Sciences and Quaternary Research Center, University of Washington, Box 351310, Seattle, WA 98195 and DUVALL, Alison R., Earth and Space Sciences, University of Washington, Johson Hall Rm-070, Box 351310, Seattle, WA 98195-1310, schanzs@uw.edu
6-3
8:30 AM
EXPERIMENTAL STUDY OF THE INFLUENCE OF LARGE BLOCKS ON FLUVIAL RESPONSE TO BASELEVEL FALL
SHOBE, Charles M., Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Geological Sciences, University of Colorado, Boulder, CO 80309 and TUCKER, Gregory E., CIRES & Department of Geological Sciences, University of Colorado, 2200 Colorado Ave, Boulder, CO 80309-0399, charles.shobe@colorado.edu
6-4
8:45 AM
CLIFF RETREAT DYNAMICS MODULATE SIGNALS OF BASE-LEVEL CHANGE IN LAYERED ROCKS, COLORADO PLATEAU, USA (Invited Presentation)
WARD, Dylan J., Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013 and SHEEHAN, Christopher E., Department of Geology, University of Cincinnati, 2600 Clifton Ave, 500 Geology Physics Building, Cincinnati, OH 45221, dylan.ward@uc.edu
 
9:05 AM
Break
6-5
9:20 AM
BLOCKS CONTROL HILLSLOPE EVOLUTION IN LANDSCAPES DEVELOPED IN LAYERED ROCK
GLADE, Rachel C., Institute for Arctic and Alpine Research (INSTAAR) and Department of Geological Sciences, University of Colorado, Boulder, CO 80309, ANDERSON, Robert S., Department of Geological Sciences and INSTAAR, University of Colorado, Boulder, CO 80309 and TUCKER, Gregory E., Coooperative Institute for Research in Environmental Sciences (CIRES) and Department of Geological Sciences, University of Colorado at Boulder, Campus Box 399, Boulder, CO 80309, rachel.glade@colorado.edu
6-6
9:35 AM
EFFECTS OF WEATHERING ON THE MECHANICAL STRENGTH OF LAYERED BASALTS
CLARK, Marin K., Department of Earth and Environmental Sciences, University of Michigan, 2534 C.C. Little Building, 1100 North University Avenue, Ann Arbor, MI 48109, ANDERSON, Suzanne P., Department of Geography and INSTAAR, University of Colorado, UCB-450, Boulder, CO 80309, ANDERSON, Robert S., Department of Geological Sciences and INSTAAR, University of Colorado, UCB 450, Boulder, CO 80309-0450 and ZEKKOS, Dimitrios, Department of Civil and Environmental Engineering, University of Michigan, 2340 GG Brown Building, 2350 Hayward Street, Ann Arbor, MI 48109-2125, marinkc@umich.edu
6-7
9:50 AM
SURFACE AND SUBSURFACE CHARACTERISTICS OF PERIGLACIAL LANDSCAPE MODIFICATION IN CENTRAL PENNSYLVANIA
DEL VECCHIO, Joanmarie, Geosciences, The Pennsylvania State University, Deike Building, University Park, PA 16802, MARTIN, Connor, Geology and Environmental Science, University of Pittsburgh, Pittsburgh, PA 15260, MOUNT, Gregory J., Indiana University of Pennsylvania, Walsh Hall, Room 206, 302 East Walk, Indiana, PA 15705, HAYES, Jorden, Earth Sciences, Dickinson College, Carlisle, PA 17103, COMAS, Xavier, GeoSciences, 777 Glades Road, Boca Raton, FL 33431 and DIBIASE, Roman A., Earth and Environmental Systems Institute, Pennsylvania State University, University Park, PA 16802; Department of Geosciences, Pennsylvania State University, University Park, PA 16802, joanmarie@psu.edu
6-8
10:05 AM
EFFECTS OF GEOMECHANICAL HETEROGENEITY ON RIVER DRAINAGE AND LANDSCAPE RESPONSE (Invited Presentation)
ROY, Samuel G., School of Earth and Climate Sciences, University of Maine, 5790 Bryand Global Sciences Center, University of Maine, Orono, ME 04469, KOONS, Peter O., School of Earth and Climate Sciences, University of Maine, Orono, ME 04469, TUCKER, Gregory E., Coooperative Institute for Research in Environmental Sciences (CIRES) and Department of Geological Sciences, University of Colorado at Boulder, Campus Box 399, Boulder, CO 80309 and UPTON, Phaedra, GNS Science, PO Box 30368, Lower Hutt, 5040, New Zealand, samuel.g.roy@umit.maine.edu
6-9
10:25 AM
LATE-QUATERNARY SLIP-RATE OF THE SOUTHERN SAN ANDREAS FAULT INFERRED FROM LANDSCAPE MODELING OF SHEARED DRAINAGES
GRAY, Harrrison1, TUCKER, Gregory E.2, HOBLEY, Daniel E.J.3, DUVALL, Alison R.4, HARBERT, Sarah4 and OWEN, Lewis A.5, (1)University of Colorado - Boulder, Geological Sciences, Boulder, CO 80301, (2)Coooperative Institute for Research in Environmental Sciences (CIRES) and Department of Geological Sciences, University of Colorado at Boulder, Campus Box 399, Boulder, CO 80309, (3)Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Avenue, Boulder, CO 80309, (4)Earth and Space Sciences, University of Washington, Johson Hall Rm-070, Box 351310, Seattle, WA 98195-1310, (5)Geology, University of Cincinnati, 500 Geology/Physics, Cincinnati, OH 45221, hjgray10@gmail.com
 
10:40 AM
Break
10:55 AM
DUELING EROSION FRONTS: GLACIAL BUZZCUTTING AND NONGLACIAL SCARP ENCROACHMENT LIMIT THE HEIGHT OF TROPICAL MOUNTAINS
CUNNINGHAM, Maxwell, Department of Earth and Environmental Science, Columbia University, New York, NY 10025, STARK, Colin, Lamont-Doherty Earth Observatory, Earth Institute at Columbia University, Palisades, NY 10964-8000, KAPLAN, Michael R., LDEO, Columbia University, Palisades, NY 10964 and SCHAEFER, Joerg M., Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, maxwellc@ldeo.columbia.edu
11:10 AM
MECHANICAL FEEDBACKS BETWEEN LANDSCAPE EVOLUTION, ROCK RHEOLOGY, AND ACTIVE DEFORMATION IN CANYONLANDS NATIONAL PARK, UTAH
KRAVITZ, Katherine1, MUELLER, Karl1 and UPTON, Phaedra2, (1)Department of Geological Sciences, University of Colorado, 2200 Colorado Ave, Boulder, CO 80309, (2)GNS Science, PO Box 30368, Lower Hutt, 5040, New Zealand, Katherine.Kravitz@colorado.edu
11:25 AM
WHAT IS HIDDEN IN HIDING FUNCTIONS?  BED ARRANGEMENT IMPACTS ON SIZE-SELECTIVE TRANSPORT AND LANDSCAPE EVOLUTION (Invited Presentation)
YAGER, Elowyn M., Department of Civil Engineering, Center for Ecohydraulics Research, University of Idaho, 322 E. Front St, Ste. 340, Boise, ID 83702, BUXTON, Todd, Trinity River Restoration Program, US Fish and Wildlife Service, 1313 South Main Street, Weaverville, CA 96093, BUFFINGTON, John, US Forest Service, Rocky Mountain Research Station, 322 E. Front Street, Ste. 401, Boise, ID 83702, FREMIER, Alex, School of the Environment, Washington State University, 1228 Webster Hall, Pullman, WA 99164 and HASSAN, Marwan, Department of Geography, University of British Columbia, Vancouver Campus, 1984 West Mall, Vancouver, BC V6T 1Z2, Canada, eyager@uidaho.edu
11:45 AM
STREAM MORPHOLOGY AND SEDIMENT TRANSPORT IN GARNET CANYON, TETON RANGE, WYOMING
TRANEL, Lisa M., Geography-Geology Department, Illinois State University, Campus Box 4400, Normal, IL 61790, ltranel@ilstu.edu
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