2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 53
Sunday, 28 October 2007: 1:30 PM-5:30 PM

Geomorphology (Posters)

Authors will be present from 2:30 to 4:30 PM.

 

Paper #
Booth #
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LOESS AND EOLIAN SEDIMENTS OF NE WISCONSIN
SCHAETZL, Randall J., Geography, Michigan State University, 128 Geography Building, East Lansing, MI 48864, soils@msu.edu, soils@msu.edu
2
12
THE MARIANNA CREVASSE SPLAY: A 20 KY MISSISSPPI RIVER SPLAY THROUGH THE MARIANNA GAP OF CROWLEY'S RIDGE, EASTERN ARKANSAS
RAINS, Daniel, Department of Geosciences, University of Arkansas, OZAR-113, Fayetteville, AR 72701 and GUCCIONE, Margaret J., Department of Geosciences, University of Arkansas, OZAR-216, Fayetteville, AR 72701, drains@uark.edu, drains@uark.edu
3
13
STREAM INCISION, PIRACIES, AND LANDSCAPE EVOLUTION OF THE EL DORADO VALLEY ON THE NORTHWESTERN FLANK OF THE OZARKS
BHATTACHARYYA, Mayuri, EVANS, Kevin R. and PAVLOWSKY, Robert T., Geography, Geology, & Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897, mayur17@missouristate.edu, mayur17@missouristate.edu
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14
LITTLE INFLUENCE OF GRAIN SIZE ON COSMOGENIC 10-BE CONCENTRATION IN RIVER SEDIMENT
BIERMAN, Paul, Geology Dept, University of Vermont, 180 Colchester Ave, Burlington, VT 05405, NICHOLS, Kyle K., Geology Dept, Skidmore College, Saratoga Springs, NY 12866, SULLIVAN, Colleen, Geology Department, University of Vermont, 180 Colchester Ave, Delahanty Hall, Burlington, VT 05405, DUXBURY, Jane, Department of Geology, University of Vermont, Delahanty Hall, 180 Colchester Avenue, Burlington, VT 05405 and MATMON, Ari, The Fredy and Nadine Herrmann Institute of Earth Sciences, Hebrew University, Givat Ram, Jerusalem, 91904, Israel, pbierman@zoo.uvm.edu, pbierman@zoo.uvm.edu
5
15
A FLUME EXPERIMENT ON THE EFFECT OF OBSTRUCTION SHAPE ON THE DEVELOPMENT OF FORCED POOLS
MCCARRICK, Craig R., Environmental Studies, Connecticut College, 270 Mohegan Avenue, New London, CT 06320 and THOMPSON, Douglas M., Physics, Astronomy and Geophyics, Connecticut College, Box 5585, 270 Mohegan Avenue, New London, CT 06320, dmtho@conncoll.edu, dmtho@conncoll.edu
6
16
VARIATION IN STREAM SYSTEM AND LANDSCAPE MORPHOLOGY IN THE U.S. FROM ANALYSIS OF STORAGE VOLUME VS. AREA RELATIONSHIPS OF WATER RESERVOIRS
LUTZ, Tim, Department of Geology and Astronomy, West Chester University, 720 S Church St, West Chester, PA 19383, tlutz@wcupa.edu, tlutz@wcupa.edu
7
17
HYDROLOGIC AND MORPHOLOGIC CHANGES OF THE WEST BRANCH DELAWARE RIVER, NEW YORK, DOWNSTREAM OF THE CANNONSVILLE DAM
HAMILTON, Jorene L., Geography, University of Tennessee Koxville, 260 Highwood Dr, Knoxville, TN 37920, jhamil28@utk.edu, jhamil28@utk.edu
8
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USING HISTORIC AND MODERN DATA TO ASSESS MISSISSIPPI RIVER LEVEE FAILURES
FLOR, Andrew Douglas, Geology, Southern Illinois University, Carbondale, 201F Parkinson Laboratory, Mail Code 4324, Carbondale, IL 62901-4324, REMO, Jonathan W.F., Environmental Resource and Policy Program, Southern Illinois Univ, 201H Parkinson Laboratory, Department of Geology, Carbondale, IL 62901-4324 and PINTER, Nicholas, Geology Dept, Southern Illinois Univ, 1259 Lincoln Drive, Carbondale, IL 62901-4324, flojo@siu.edu, flojo@siu.edu
9
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LONG-TERM GEOMORPHIC EFFECTS OF DAMS IN THE CENTRAL VALLEY OF CALIFORNIA: A COMPREHENSIVE AND COMPARATIVE APPROACH
MINEAR, J. Toby and KONDOLF, G. Matt, Landscape Architecture and Environmental Planning, University of California, Berkeley, 202 Wurster Hall, Berkeley, CA 94705, tminear@berkeley.edu, tminear@berkeley.edu
10
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RIPARIAN PLANT DISTRIBUTION IN THE LUCKIAMUTE RIVER BASIN, CENTRAL OREGON COAST RANGE: PRELIMINARY ANALYSIS OF GEOMORPHIC AND ANTHROPOGENIC CONTROLS ON ADVENTIVE SPECIES PROPAGATION IN AN UNREGULATED WATERSHED
TAYLOR, Stephen B.1, DUTTON, Bryan E.2, NOLL, Katherine1 and PIROT, Rachel3, (1)Earth and Physical Science Dept, Western Oregon University, Monmouth, OR 97361, (2)Biology Dept, Western Oregon University, Monmouth, OR 97361, (3)Dept. of Geology, Portland State University, Portland, OR 97207, taylors@wou.edu, taylors@wou.edu
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REFLECTIONS ON THE JULY 31, 1976, BIG THOMPSON FLOOD, COLORADO FRONT RANGE, USA
JARRETT, Robert D., U.S. Geological Survey, WRD, National Research Program, P.O. Box 25046, MS 412, Lakewood, CO 80225 and COSTA, John E., U.S. Geological Survey, Office of Surface Water, 3515 Edgewood Dr, Vancouver, WA 98661, rjarrett@usgs.gov, rjarrett@usgs.gov
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BEDROCK CHANNEL MORPHOLOGY IN CARBONATES VERSUS CLASTIC SEDIMENTARY ROCKS
CLOWERS, C. Brandon, Earth Sciences, Tennessee Technological University, Box 5062, Cookeville, TN 38505 and HART, Evan A., Earth Sciences, Tennessee Technological University, Box 5062, Cookeville, TN 38505, CBClowers21@tntech.edu, CBClowers21@tntech.edu
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GROUNDWATER DRAINAGE AS A CAUSE OF RIVER MEANDERING
WASHINGTON, Paul A., Department of Physical Sciences, Kutztown University, Kutztown, PA 19530, paul.washington@gmail.com, paul.washington@gmail.com
14
24
IDENTIFYING THE PRIMARY FACTORS THAT DETERMINE THE OCCURRENCE OF SINKHOLES IN THE OZARKS
SPOONER, Jeffrey D., U.S. Geological Survey, 1400 Independence Rd, Rolla, MO 65401, jspooner@usgs.gov, jspooner@usgs.gov
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GEOLOGICAL CONTROLS ON CAVE DEVELOPMENT IN HIGHLAND COUNTY, VIRGINIA
PETERSON, Carol A. and WHITTECAR, G. Richard, Ocean Earth and Atmospheric Sciences, Old Dominion University, Norfolk, VA 23529, capeters@odu.edu, capeters@odu.edu
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QUANTITATIVE ASSESSMENT OF SINKHOLE SUSCEPTIBILITY AND HAZARD. THE CASE STUDY OF THE EBRO VALLEY EVAPORITE KARST (NE SPAIN)
GALVE, J.P.1, GUTIÉRREZ, F.1, REMONDO, J.2, BONACHEA, J.2, LUCHA, P.1, GUERRERO, J.1 and CENDRERO, A.2, (1)Earth Science, University of Zaragoza, Pedro Cerbuna 12, Zaragoza, 50009, Spain, (2)DCITIMAC, University of Cantabria, Avenida de Los Castros s/n, Santander, 39005, Spain, jpgalve@unizar.es, jpgalve@unizar.es
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OF TIME AND THE SOIL: DETECTING MICROTOPOGRAPHIC CHANGES USING EXTREME CLOSE-RANGE PHOTOGRAMMETRY
MATTHEWS, Neffra A.1, NOBLE, Tommy A.2, YPSILANTIS, William1 and MURPHY, Dennis3, (1)Bureau of Land Managment, National Science and Technology Center, Building 50 Denver Federal Center, Denver, CO 80225, (2)National Operations Center, USDOI-Bureau of Land Managment, Denver, CO 80225, (3)Bureau of Land Management, 2505 S. Townsend Ave, Montrose, CO 81401, neffra_matthews@blm.gov, neffra_matthews@blm.gov
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USING DEBRIS FLOW ANALYSES TO QUANTIFY LONG-TERM FIRE REGIMES OF NORTHERN ARIZONA PONDEROSA PINE AND MIXED CONIFER FORESTS IN STEEP TERRAIN
JENKINS, Sara E.1, SIEG, Carolyn Hull1, ANDERSON, Diana Elder2 and PEARTHREE, Philip A.3, (1)USDA FS Rocky Mountain Research Station, Flagstaff, AZ 86001, (2)Center for Environmental Sciences and Education, Northern Arizona University, Flagstaff, AZ 86011, (3)Arizona Geological Survey, Tucson, AZ 85701, saraliz.jenkins@gmail.com, saraliz.jenkins@gmail.com
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CHRONOTOPOGRAPHIC ANALYSIS TO DETECT SMALL, SEASONAL HILLSLOPE CHANGE USING TLS LIDAR DATA, BLACK MESA ESCARPMENT, NE ARIZONA
WAWRZYNIEC, Timothy F., Department of Natural and Environmental Sciences, Western State Colorado University, 31C Hurst Hall, Gunnison, CO 81231 and FRECHETTE, Jedediah, Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, twawrzyniec@western.edu, twawrzyniec@western.edu
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A TEMPORAL DENDROGEOMORPHOLOGICAL ASSESSMENT OF THE RATTLESNAKE GULF LANDSLIDE, TULLY VALLEY, NEW YORK
TAMULONIS, Kathryn1, KAPPEL, William2 and JORDAN, Teresa1, (1)Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853, (2)U.S. Geol Survey, 30 Brown Road, Ithaca, NY 14850-1573, klt32@cornell.edu, klt32@cornell.edu
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31
THE GEOMORPHOLOGY AND PROCESSES OF LAND LOSS IN THE PONTCHARTRAIN BASIN, SOUTHEAST LOUISIANA: 1990 – 2001
FEARNLEY, Sarah M., University of New Orleans, Research and Technology Park, CERM bldg., Rm. 358, 2000 Lakeshore Drive, New Orleans, LA 70148, PENLAND, Shea, Univ New Orleans, 2000 Lakeshore Dr, New Orleans, LA 70148-0001 and BRITSCH, Dell, U.S. Army Corps fo Engineers, 7400 Leake Ave, New Orleans, LA 70118, sfearnle@uno.edu, sfearnle@uno.edu
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GEOLOGIC INFLUENCE ON SHORELINE CHANGE IN A LOW-ENERGY COASTAL ENVIRONMENT: NARRAGANSETT BAY, RI
HEHRE, Rachel E., Department of Geosciences, University of Rhode Island, 9 East Alumni Ave, Kingston, RI 02880 and BOOTHROYD, Jon C., Department of Geosciences, Univ of Rhode Island, Kingston, RI 02881, rachel.hehre@gmail.com, rachel.hehre@gmail.com
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GEOMORPHOLOGY AND SEDIMENTARY FRAMEWORK OF SMALL SUBTROPICAL ISLANDS, OFFSHORE KUWAIT
BUYNEVICH, Ilya V.1, FITZGERALD, Duncan M.2, AL-ZAMEL, Abdalla3 and AL-SARAWI, Mohammad3, (1)Earth and Environmental Science, Temple University, 313 Beury Hall, 1901 N. 13th Street, Philadelphia, PA 19122, (2)Boston University, Boston, MA 02215, (3)Earth and Environmental Sciences, Kuwait Univ, PO Box 5969, Safat, Kuwait, 13060, Kuwait, coast@temple.edu, coast@temple.edu
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HISTORIC DISTRIBUTION OF REEF-BUILDING ORGANISMS AND THEIR CONTROL ON COASTAL GEOMORPHOLOGY IN THE EVERGLADES
HOYE, Brian R., Department of Marine & Ecological Studies, Florida Gulf Coast University, 10501 FGCU Blv. South, Fort Myers, FL 33965-6565 and SAVARESE, Michael, Marine and Ecological Sciences, Florida Gulf Coast University, 10501 FGCU Boulevard South, Ft Myers, FL 33965, brhoye@eagle.fgcu.edu, brhoye@eagle.fgcu.edu
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35
U-SERIES ISOTOPE MEASUREMENTS FOR UPLIFTED CORAL TERRACES FROM TIMOR-LESTE—IMPLICATIONS FOR ACTIVE FOLDING
COX, Nicole L., Geological Sciences, Brigham Young University, Provo, UT 84602, HARRIS, Ron, Geological Sciences, Tectonic Processes Collaborative, Brigham Young Univeristy, Provo, UT 84602, MERRITTS, Dorothy, Department of Earth and Environment, Franklin and Marshall College, Lancaster, PA 17604-3003, SHEN, Chuan-Chou, Department of Geosciences, National Taiwan University, Taipei, 106, Taiwan, HSIEH, Yu-Te, Geosciences, National Taiwan University, Taipei, Taiwan and NELSON, Stephen, Geological Sciences, Brigham Young University, S-389 ESC, Provo, UT 84602, nc74@byu.edu, nc74@byu.edu
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USING HIGH RESOLUTION TOPOGRAPHIC DATA TO ILLUMINATE DISCRETE STRUCTURAL DOMAINS AND RELATIVE RATES OF ACTIVE TECTONICS, IN THE CAMARILLO FOLD BELT: VENTURA COUNTY, SOUTHERN CALIFORNIA
DEVECCHIO, Duane E., Earth Science, University of California Santa Barbara, Santa Barbara, CA 93117 and KELLER, Edward A., Geological Sciences, Univ of California, Santa Barbara, CA 93106, duaned@umail.ucsb.edu, duaned@umail.ucsb.edu
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DISTRIBUTION OF UPLIFT ALONG THE EASTERN FLANK OF THE CENTRAL RANGE IN TAIWAN: INFERENCES FROM GEOMORPHIC ANALYSES
YANG, Wan-Huei, Center for Space and Remote Sensing Research, National Central University, 300, Jhongda Rd, Jhongli City, Taoyuan, 320, Taiwan, CHANG, Chung-Pai, Center for Space and Remote Sensing Research, National Central University, No. 300, Jhongda Rd, Jhongli, 320, Taiwan and YEN, Jiun-Yee, Institute of Earth Science, National Hualien University of Education, No. 123, Hua-Hsi Rd, Hualien, 970, Taiwan, jyyen@csrsr.ncu.edu.tw, jyyen@csrsr.ncu.edu.tw
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THE EFFECT OF STRUCTURE AND LITHOLOGY ON THE ASPECT RATIO OF FLUVIAL CHANNELS: A FIELD-BASED QUANTITATIVE STUDY OF THE NEW RIVER IN THREE GEOLOGIC PROVINCES
DEMARCO, Kristyn and SPOTILA, James, Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24060, kristyn6@vt.edu, kristyn6@vt.edu
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PHYSICALLY-BASED SIMULATION OF PALEOTOPOGRAPHY FROM LIMITED OBSERVATIONS
COLEMAN, Michael L.1, JACOBS, Elaine P.2 and NIEMANN, Jeffrey D.1, (1)Department of Civil and Environmental Engineering, Colorado State University, Campus Delivery 1372, Fort Collins, CO 80523-1372, (2)Geosciences Department, Colorado State University, Fort Collins, CO 80523, mlc@engr.colostate.edu, mlc@engr.colostate.edu
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HICKORY RUN BOULDER FIELD 3: MORE OBSERVATIONS AND NEW INTERPRETATIONS
POTTER Jr, Noel, Department of Geology, Dickinson College, Carlisle, PA 17013, SEVON, W.D., EZ 4173, 1000 Follies Road, Dallas, PA 18612 and HELMKE, Martin, Department of Geology and Astronomy, West Chester University, 207 Boucher Hall, West Chester, PA 19383, pottern@dickinson.edu, pottern@dickinson.edu
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IMPLICATIONS OF ESKER FORMATION FOR ICE-MARGINAL MELTWATER AND SEDIMENT ROUTING
GREGORY, Andrew R. and RUSSELL, Andrew J., School of Geography, Politics & Sociology, Newcastle University, 5th Floor Claremont Tower, Claremont Road, Newcastle upon Tyne, NE1 7RU, a.r.gregory@newcastle.ac.uk, a.r.gregory@newcastle.ac.uk
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ORIGIN OF ESKER AND TUNNEL VALLEY ASSEMBLAGES IN THE SAGINAW LOBE, BARRY COUNTY, MI
WOOLEVER, Caleb J.1, KEHEW, Alan E.1, SAUCK, William A.2 and KOZLOWSKI, Andrew L.3, (1)Dept. of Geosciences, Western Michigan University, 1187 Rood Hall, Kalamazoo, MI 49001, (2)Dept. of Geosciences, Western Michigan Univ, Kalamazoo, MI 49008, (3)New York State Geologic Survey/New York State Museum, Albany, NY 12230, AKOZLOWS@MAIL.NYSED.GOV, AKOZLOWS@MAIL.NYSED.GOV
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IMPACT OF CLIMATE CHANGE ON ROCK GLACIER DYNAMICS: SAN JUAN MOUNTAINS, CO, USA
ZHUANG, Kelin, High Alpine Research Program (HARP), Geology and Geophysics, Texas A&M University, College Station, TX 77843, REGMI, Netra, HARP, Geology and Geophysics, Texas A&M University, College Station, TX 77843, GIARDINO, John R., HARP, Geology & Geophysics and Geography and Hydrologic Science Program, Texas A&M University, College Station, TX 77843, SANCHEZ, Rosario, HARP, and Hydrologic Science Program, Texas A&M University, College Station, TX 77843, DEGENHARDT, John J., Geography and Geology, Sam Houston State University, Huntsville, TX 778341 and VITEK, John D., HARP, Geology and Geophysics and Hydrological Science Program, Texas A&M University, College Station, TX 77843, klzhuang@hotmail.com, klzhuang@hotmail.com
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A QUANTITATIVE SOLUTION TO THE DRUMLIN DEBATE?
MACLACHLAN, John C., School of Geography and Earth Sciences, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4K1, Canada and EYLES, Carolyn H., School of Geography and Earth Science, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4K1, maclacjc@mcmaster.ca, maclacjc@mcmaster.ca
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DETECTION OF WATER PATHWAYS IN THE ACTIVE LAYER: RESULTS OF GROUND PENETRATING RADAR GPR AND CONDUCTIVITY SURVEYS AT GILPIN PEAK ROCK GLACIER, YANKEE BOY BASIN, CO, USA
DEGENHARDT, John, High Alpine Research Program (HARP), Department of Geography and Geology, Sam Houston State University, Huntsville, TX 77841-2148, GIARDINO, John R., HARP, Geology & Geophysics and Geography and Water Management and Hydrologic Science Program, Texas A&M University, College Station, TX 77843 and VITEK, John D., HARP, Geology and Geophysics and Hydrological Science Program, Texas A&M University, College Station, TX 77843, degenhardt@shsu.edu, degenhardt@shsu.edu
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A MONTE CARLO INVESTIGATION OF INHERITANCE IN MORAINE BOULDERS
APPLEGATE, Patrick J. and ALLEY, Richard B., Geosciences, Pennsylvania State University, 503 Deike Building, University Park, PA 16802, papplega@geosc.psu.edu, papplega@geosc.psu.edu
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EARLY OBSERVATIONS OF A GEOMORPHIC ANALYSIS REGARDING PROXIES THAT INDICATE PALEOWAVE ENERGY DISTRIBUTION IN THE BONNEVILLE BASIN
NELSON, Daren T., Geology and Geophysics, University of Utah, 135 S. 1460 E. Rm 719, Salt Lake City, UT 84112 and JEWELL, Paul, Dept. of Geology and Geophysics, Univ. of Utah, Salt Lake City, UT 84112, d.t.nelson@utah.edu, d.t.nelson@utah.edu
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EVIDENCE FOR ICE-RELATED PROCESSES IN SOUTHEASTERN ARGYRE PLANITIA, MARS
LANG, Nicholas P., Department of Earth and Planetary Sciences, University of Tennessee, 306 Earth and Planetary Sciences Building, 1412 Circle Drive, Knoxville, TN 37996-1410 and BANKS, Maria E., Department of Geosciences, University of Arizona, 1040 E 4th St, Tucson, AZ 85721, mbanks@pirl.lpl.arizona.edu, mbanks@pirl.lpl.arizona.edu
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GRAVEL DUNES FORMED BY EOLIAN PROCESSES IN A COLD DRY ENVIRONMENT, ALLAN HILLS, ANTARCTICA: A POSSIBLE MARS ANALOGUE
BENDIXEN, Quintin Dale, Geosciences, Univ of Wisconsin-Milwaukee, 3209 N. Maryland Ave, Milwaukee, WI 53211 and ISBELL, John L., Dept. of Geosciences, University of Wisconsin, Milwaukee, WI 53211, qdb@uwm.edu, qdb@uwm.edu
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THE 'WHALEBACK' DUNES OF VICTORIA VALLEY, ANTARCTICA: A GROUND PENETRATING RADAR PERSPECTIVE
JOL, Harry M.1, BRISTOW, Charlie S.2, AUGUSTINUS, Paul3 and WALLIS, Irene3, (1)Geography and Anthropology, University of Wisconsin-Eau Claire, 105 Garfield Avenue, Eau Claire, WI 54702-4004, (2)School of Earth Sciences, Birkbeck College University of Londong, Malet Street, London, WC1E 7HK, United Kingdom, (3)School of Geography, Geology and Environmental Science, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand, jolhm@uwec.edu, jolhm@uwec.edu
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OPTICALLY STIMULATED LUMINESCENCE DATING OF FENCE ROW DUNES IN WEST TEXAS AND EASTERN NEW MEXICO
LEPPER, Kenneth, Department of Geosciences, North Dakota State University, P.O. Box 6050, Dept. 2745, Fargo, ND 58108-6050 and HOLLIDAY, Vance, Geosciences, The Univ of Arizona, Gould-Simpson Bldg, Tucson, AZ 85721, ken.lepper@ndsu.edu, ken.lepper@ndsu.edu
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ECOLOGY AND GEOMORPHOLOGY OF EPISODICALLY ACTIVE INLAND DUNEFIELDS OF THE GREAT PLAINS AND NORTHERN CHINA
MASON, Joseph, Department of Geography, Univ of Wisconsin-Madison, 160 Science Hall, 550 N. Park St, Madison, WI 53706, GOBLE, Ronald J., Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588, WERNER, Corey, Department of Political Science and Geography, University of Central Missouri, Warrensburg, MO 64093, LOOPE, David, Department of Geosciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588-0340, SWINEHART, James, School of Natural Resources, Univ of Nebraska-Lincoln, Lincoln, NE 68588-0517, LU, Huayu, Department of Geoscience, Nanjing University, Nanjing, 210093, China, MIAO, Xiaodong, Illinois State Geological Survey, Champaign, IL 61820 and HANSON, Paul, Conservation and Survey Division, School of Natural Resources, Univ. of Nebraska, 102 Nebraska Hall, Lincoln, NE 68588-0517, mason@geography.wisc.edu, mason@geography.wisc.edu
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YARDANG EVOLUTION IN MESQUITE LAKE PLAYA, MOJAVE DESERT, CALIFORNIA
WHITNEY, John W. and REYNOLDS, Richard L., U.S. Geological Survey, Federal Center MS 980, Denver, CO 80225, jwhitney@usgs.gov, jwhitney@usgs.gov
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INCISION OF THE HYPERARID, LOWER NAHAL (WADI) ZIN, ARAVA VALLEY, ISRAEL IN RESPONSE TO LATE PLEISTOCENE LAKE LISAN LEVEL FALL
DAVIS, Michael1, MATMON, Ari1, ZILBERMAN, Ezra2, PORAT, Naomi3 and ENZEL, Yehouda1, (1)Institute of Earth Sciences, The Hebrew University of Jerusalem, Givat Ram, Jerusalem, 91904, Israel, (2)Geological Survey of Israel, 30, Malkhe Israel St, Jerusalem, 95501, Israel, (3)Geological Survey of Israel, 30 Malkhe Israel St, Jerusalem, 95501, Israel, mdavis@alum.cs.huji.ac.il, mdavis@alum.cs.huji.ac.il