2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 38 Sunday, 18 October 2009
9:00 AM-6:00 PM, Oregon Convention Center: Hall A

T13. Hydrogeomorphic and Ecohydrologic Consequences of Extraordinary Sediment Loading (Posters) (GSA Quaternary Geology and Geomorphology Division; GSA Sedimentary Geology Division)

Authors will be present from 4 to 6 PM
 Paper #Booth #
38-1307WATERSHED EROSION MODELLING: A NEW APPROACH TO INCLUDE GULLY EROSION: SANG, Joseph K., ALLEN, Peter M., and DUNBAR, John A., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, Joseph_Sang@Baylor.edu
38-2308CONTROLS OF HYDROGRAPH SHAPE ON FLOODPLAIN SEDIMENTATION DURING MAJOR FLOODS: KILHAM, Nina, Watershed Sciences, Utah State University, 5210 Old Main Hill, Logan, UT 84322, nina.kilham@usu.edu and SINGER, Michael B., Institute for Computational Earth Systems Science, University of California, Santa Barbara, Santa Barbara, CA 93106
38-3309HOLISTIC SPATIAL AND TEMPORAL PATTERNS OF POST-ERUPTION EROSION AND DEPOSITION, SOUTH FORK TOUTLE RIVER, MOUNT ST. HELENS, WASHINGTON: MARK, Linda E., Vigil-Agrimis, Inc, 819 SE Morrison St, Suite 310, Portland, OR 97214, lmark@vigil-agrimis.com and MAJOR, Jon, U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE Cardinal Court, Suite 100, Vancouver, WA 98683
38-4310COMPARISON OF PRE- AND POST-DAM ATTRIBUTES OF THE RESERVOIR REACH OF THE SANDY RIVER FOLLOWING REMOVAL OF OREGON'S MARMOT DAM: KEITH, Mackenzie K.1, WALLICK, J. Rose2, MAJOR, Jon3, O'CONNOR, Jim2, SPICER, Kurt3, and RHODE, Abigail4, (1) Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, mkeith@usgs.gov, (2) U.S. Geological Survey, 2130 SW 5th Avenue, Portland, OR 97201, (3) U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE Cardinal Court, Suite 100, Vancouver, WA 98683, (4) Herrera Inc, Portland, OR 97209
38-5311CHARACTERIZATION OF GRAIN SIZES IN THE RESERVOIR IMPOUNDMENT BEHIND MARMOT DAM POST-DAM REMOVAL: DI LEONARDO, Diana, Geology, Hamilton College, 198 College HIll Rd Box 443, Clinton, NY 13323, ddileona@hamilton.edu, PODOLAK, Charles J., Department of Geography and Environmental Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, and WILCOCK, Peter, National Center for Earth-surface Dynamics, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218
38-6312BEDLOAD TRANSPORT FOLLOWING THE REMOVAL OF MILLTOWN DAM, CLARK FORK RIVER, MONTANA: JOHNSEN, James W. and WILCOX, Andrew C., Department of Geosciences, University of Montana, Missoula, MT 59812, james.johnsen@umontana.edu
38-7313DOWNSTREAM RESPONSE OF DEPOSITIONAL CHANNEL-FORMS TO DAM REMOVAL, CLARK FORK RIVER, MONTANA: BRINKERHOFF, Douglas and WILCOX, Andrew C., Department of Geosciences, University of Montana, Missoula, MT 59812, douglas.brinkerhoff@umontana.edu
38-8314FINE GRAIN SEDIMENT TRANSPORT OVER A COARSE GRAIN GRAVEL BED: FLUSHING THE FINES: LAGRECA, Anthony J., Geography, University of Colorado, Guggenheim 110; 260 UCB, Boulder, CO 80309, anthony.lagreca@colorado.edu, PITLICK, John, Geography Department, University of Colorado, Box 260, Boulder, CO 80309, and NELSON, Jon, Geomorphology and Sediment Transport Labratory, USGS, 4620 Technology Drive, Suite 400, Golden, CO 80403
38-9315BIOLOGICAL RESPONSE TO HIGH FLUX RATES OF PYROCLASTICS IN FLUVIAL AND NEARSHORE SHALLOW MARINE ENVIRONMENTS IN THE PANAMA CANAL BASIN: STRONG, Nikki1, FRANCHESCHI, Pastora2, JARAMILLO, Carlos3, FARRIS, David W.4, MONTES, Camilo3, and O'DEA, Aaron5, (1) Geology, Univ of Minnesota, St. Anthony Falls Laboratory, Mississippi River at 3rd Ave SE, Minneapolis, MN 55414, stro0068@umn.edu, (2) Geology, Autoridad del Canal de Panama (Panama Canal Authority), Panama City, Panama, (3) Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon, Panama, 0843-03092, Panama, (4) Geological Sciences, Florida State University, 909 Antarctic Way, Rm 108 CAR, Tallahassee, FL 32306, (5) Center for Tropical Paleoecology and Archeology, Smithsonian Tropical Research Institute, Apartado 0843 - 03092, Panama, 03092, Panama
38-10316REVELATIONS FROM A MILAN PROJECT: MEASURED CHANNEL WOOD PRODUCTION RATES IN SMALL, STEEP STREAM CHANNELS, COLUMBIA RIVER BASIN, USA: CHESNEY, Charles J., Washington Department of Natural Resources, PO Box 2454, Yakima, WA 98907, CRSNWISSP@aol.com
38-11317RESULTS OF A RECENT GROUND PENETRATING RADAR (GPR) SURVEY ALONG THE HITE DELTA, LAKE POWELL, UTAH: DEGENHARDT, John J.1, NETOFF, Dennis I.2, BALDWIN, Christopher2, and DOHRENWEND, John3, (1) Department of Geography and Geology, Sam Houston State University, Huntsville, TX 778341, degenhardt@shsu.edu, (2) Department of Geography and Geology, Sam Houston State University, Huntsville, TX 77341, (3) Department of Geosciences, Adjunct, University of Arizona, Tucson, AZ 85721
38-12318CARBON AND NUTRIENT EXPORT DYNAMICS IN SMALL MOUNTAINOUS WATERSHEDS PRONE TO LANDSLIDING: TRIERWEILER, Annette1, MONDRO, Claire A.1, CAREY, Anne E.1, WELCH, Susan A.1, and RESTREPO, Carla2, (1) School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 S. Oval Mall, Columbus, OH 43210-1398, annette.trierweiler@gmail.com, (2) Department of Biology, University of Puerto Rico-Rio Piedras, P.O. Box 23360, San Juan, PR 009313360
38-13319SEDIMENTATION PATTERNS AND DEPOSITION IN THE PROGRADING WAX LAKE DELTA: BAILEY, Claire, Geology, San Francisco State University, 104 Thornton Ave, San Francisco, CA 94124, cbailey@sfsu.edu

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