GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 111
Monday, 23 October 2017: 8:00 AM-12:00 PM
Chelan 2 (The Conference Center)

T193. Quantifying Geomorphic Processes and Rates of Landscape Evolution

GSA Quaternary Geology and Geomorphology Division
Arjun M. Heimsath and Paul R. Bierman, Advocates
8:00 AM
QUANTIFYING RATES OF SURFACE PROCESSES IN THE DEEP GEOLOGICAL PAST (>107 YR) USING STABLE COSMOGENIC NUCLIDES (3HE AND 21NE) – POSSIBILITIES AND LIMITATIONS
BEN-ISRAEL, Michal1, MATMON, Ari1, HAVIV, Itai2 and NIEDERMANN, Samuel3, (1)The Fredy and Nadine Herrmann Institute of Earth Sciences, Hebrew University, Givat Ram, Jerusalem, 91904, Israel, (2)Department of Geological and Environmental Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel, (3)Deutsches GeoForschungsZentrum GFZ, Telegrafenberg, Potsdam, 14473, Germany, michal.benisrael@mail.huji.ac.il
8:15 AM
THE ENIGMATIC AUGENSTEIN LANDSCAPE OF THE EUROPEAN ALPS. THE KEY TO DECIPHERING THE LANDSCAPE EVOLUTION OF THE WORLDS MOST STUDIED MOUNTAIN RANGE?
STUEWE, Kurt1, DERTNIG, Florian2, WAGNER, Thomas1, STUART, Fin3 and SPOETL, Christoph4, (1)Earth Science, University of Graz, Heinrichstr. 26, Graz, A-8010, Austria, (2)Earth Science, University of Leoben, petr tunner str. 25, leoben, A 8700, Austria, (3)Scottish Universities Environmental Research Centre, Scottish Enterprise Technology Park, East kilbride, Glasgow, (4)Univ Innsbruck, Innrain 52, Innsbruck, A-6020, Austria, kurt.stuewe@uni-graz.at
8:30 AM
EVOLVING A SKY ISLAND: SOIL PRODUCTION, CATCHMENT MEAN EROSION RATES, AND PROCESSES IN THE PINALENO MOUNTAINS, SE ARIZONA
HEIMSATH, Arjun M., School of Earth and Space Exploration, Arizona State University, ISTB4, Tempe, AZ 85287, JUNGERS, Matthew Cross, Department of Geosciences, Denison University, F.W. Olin Science Hall, Granville, OH 43023, WHIPPLE, Kelin X., School of Earth and Space Exploration, Arizona State University, Tempe, CO 85287 and FOSTER, Marina Bravo, School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85251, arjun.heimsath@asu.edu
8:45 AM
CONFOUNDINGLY COMPLEX EXPOSURE HISTORIES REVEALED BY 21NE AND 10BE ABUNDANCES IN ALLUVIAL DEPOSITS OF THE ATACAMA DESERT, NORTHERN CHILE (Invited Presentation)
JUNGERS, Matthew Cross, Department of Geosciences, Denison University, F.W. Olin Science Hall, Granville, OH 43023, HEIMSATH, Arjun M., School of Earth and Space Exploration, Arizona State University, ISTB4, Tempe, AZ 85287, AMUNDSON, Ronald, Environmental Science, Policy, and Management, University of California, 130 Mulford Hall, Berkeley, CA 94720, BALCO, Greg, Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709 and SHUSTER, David L., Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, jungersm@denison.edu
9:05 AM
INTERROGATING CLIMATE RESPONSE MODELS OF TERRACE FORMATION IN THE RIO GRANDE RIFT USING 36CL AND 14C DATING
SION, Brad D., PHILLIPS, Fred M. and AXEN, Gary, Department of Earth & Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, sion.brad.d@gmail.com
9:20 AM
DATING TERRACE DEPOSITS ALONG THE TENNESSEE RIVER USING COSMOGENIC 26AL AND 10BE
ODOM III, William E., Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Dr., West Lafayette, IN 47907 and GRANGER, Darryl E., Earth Atmospheric and Planetary Sciences, Purdue University, 550 Stadium Mall Dr., West Lafayette, IN 47907, odomw@purdue.edu
9:35 AM
QUANTIFYING THE MAGNITUDE AND SPATIAL VARIABILITY OF BEDROCK EROSION BENEATH THE SISTERS GLACIER, WASHINGTON, USING COSMOGENIC 3HE CONCENTRATIONS
FRANCIS, Sarah W.1, CLARK, Doug2, FARLEY, Ken A.3, AMOS, Colin B.1 and BIERMAN, Paul R.4, (1)Geology Department, Western Washington University, 516 High St. MS 9080, Bellingham, WA 98225, (2)Department of Geology, Western Washington University, Bellingham, WA 98225, (3)Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, (4)Department of Geology, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, francis3@wwu.edu
9:50 AM
GSA QUATERNARY GEOLOGY AND GEOMORPHOLOGY DIVISION DISTINGUISHED CAREER AWARD: ERODING THE SOUTHERN ROCKY MOUNTAINS—WEATHERING AND FLUID FLOW IN SLOW MOTION IN THE CRITICAL ZONE
DETHIER, David P., Department of Geosciences, Williams College, Williamstown, MA 01267 and OUIMET, William B., Dept. of Geography; Center for Integrative Geosciences, University of Connecticut, Storrs, CT 06269, ddethier@williams.edu
10:20 AM
ONSET OF GLACIATION CAUSES RAPID INCREASE IN EXHUMATION RATE BEFORE RELAXATION TOWARDS STEADY-STATE: DETRITAL APATITE (U-TH)/HE RECORD 6 MA TO PRESENT IN CENTRAL PATAGONIA
WILLETT, Chelsea D.1, MA, Keith2, SHUSTER, David L.3, CHRISTELEIT, Elizabeth2, BRANDON, Mark T.2 and HOURIGAN, Jeremy4, (1)Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709; Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, (2)Geology & Geophysics, Yale University, New Haven, CT 06520, (3)Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720; Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, (4)Earth and Planetary Sciences, University California Santa Cruz, Santa Cruz, CA 94305, chelsea.d.willett@gmail.com
10:35 AM
USING LUMINESCENCE SIGNALS FROM BEDROCK FELDSPARS TO QUANTIFY RAPID COOLING IN THE SAN BERNARDINO MOUNTAINS, SOUTHERN CALIFORNIA
BROWN, Nathan D., MOON, Seulgi and RHODES, Edward J., Department of Earth, Planetary, and Space Science, University of California, Los Angeles, 595 Charles Young Dr. East, Los Angeles, CA 90095, nathan.david.brown@ucla.edu
10:50 AM
DETRITAL THERMOCHRONOLOGIC STUDIES OF STEEP FLUVIAL CATCHMENTS: EXAMPLES FROM THE SOUTHEASTERN SIERRA NEVADA, CALIFORNIA
HORNE, A.M., HODGES, K.V. and VAN SOEST, Matthijs C., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, amhorne@asu.edu
11:05 AM
NEW CONSTRAINTS ON THE TIMING OF COLORADO RIVER INTEGRATION FROM THE DATING OF AXIAL-BASIN DEPOSITS IN COTTONWOOD VALLEY, AZ
CROW, Ryan S.1, PEARTHREE, Philip A.2, HOUSE, P. Kyle1, STELTEN, Mark3, HEIZLER, Matthew4 and SCHWING, Jonathan E.5, (1)U.S. Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001, (2)Arizona Geological Survey, 1955 E 6th St, PO Box 210184, Tucson, AZ 85721, (3)U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (4)New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801, (5)ConocoPhillips School of Geology and Geophysics, University of Oklahoma, 100 E. Boyd St, SEC 710, Norman, OK 73019, rcrow@usgs.gov
11:20 AM
INTERACTION OF STRONG COMPRESSIVE STRESSES WITH TOPOGRAPHY: IMPLICATIONS FOR BEDROCK FRACTURES IN FORSMARK, SWEDEN (Invited Presentation)
MOON, Seulgi1, GOODFELLOW, Bradley W.2, PERRON, J. Taylor3, MARTEL, Stephen J.4, CAFFEE, Marc W.5, EBERT, Karin2, HALL, Adrian2, HÄTTESTRAND, Clas2, HEYMAN, Jakob6, MAS IVARS, Diego7, NÄSLUND, Jens-Ove7 and STROEVEN, Arjen2, (1)Department of Earth, Planetary, and Space Science, University of California, Los Angeles, 595 Charles Young Dr. East, Los Angeles, CA 90095, (2)Geomorphology & Glaciology, Department of Physical Geography, Stockholm University, Stockholm, Sweden, (3)Department of Earth, Atmospheric and Planetary Sciences, Massachusets Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, (4)Geology and Geophysics, University of Hawaii, Honolulu, HI 96822, (5)Department of Physics and Astronomy, Purdue University, West Lafayette, IN 47907, (6)Department of Earth Sciences, University of Gothenburg, Gothenburg, Sweden, (7)Swedish Nuclear Fuel and Waste Management Company, Stockholm, Sweden, sgmoon@ucla.edu
11:40 AM
TESTING THE RELATIONSHIP BETWEEN MINERAL SUPPLY RATES AND CHEMICAL EROSION IN THE KLAMATH MOUNTAINS (Invited Presentation)
WEST, Nicole, Earth and Atmospheric Sciences, Central Michigan University, Mount Pleasant, MI 48859 and FERRIER, Ken L., School of Earth and Atmospheric Sciences, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, GA 30332, nicole.west@cmich.edu
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