Session: From the River Channel to the Drainage Divide: Processes, Driving Mechanisms, and the Direction of Topographic Change in the Appalachians (2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015))

Session No. 9

Sunday, 1 November 2015: 8:00 AM-12:00 PM

Room 307 (Baltimore Convention Center)

T52. From the River Channel to the Drainage Divide: Processes, Driving Mechanisms, and the Direction of Topographic Change in the Appalachians

GSA Quaternary Geology and Geomorphology Division

Gregory Hancock, Frank J. Pazzaglia and Sean F. Gallen, Session Chairs

Paper #

Start Time

8:00 AM

Introductory Remarks

9-1

8:05 AM

DYNAMIC TOPOGRAPHY, STREAM CAPTURE, AND THE SEDIMENTARY RECORD

RUETENIK, Gregory A., MOUCHA, Robert and HOKE, Gregory D., Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244, garueten@syr.edu

9-2

8:20 AM

REJUVENATION OF APPALACHIAN TOPOGRAPHY CAUSED BY SUBSIDENCE-INDUCED DIFFERENTIAL EROSION

LIU, Lijun, Geology, University of Illinois at Urbana-Champaign, 605 E Springfield Ave, Champaign, IL 61820, ljliu@illinois.edu

9-3

8:35 AM

AN UNEXPLAINED PULSE OF LATE CRETACEOUS EXHUMATION IN NORTHERN NEW ENGLAND

AMIDON, William H., Geology Program, SUNY Plattsburgh, 101 Broad St., Plattsburgh, NY 12901, RODEN-TICE, Mary K., Center for Earth and Environmental Science, SUNY Plattsburgh, 101 Broad Street, Plattsburgh, NY 12901, ANDERSON, Alyssa J., School of Earth and Space Exploration, Arizona State University, 3708 Dogwood Creek Cove, Austin, TX 78746 and SHUSTER, David, Department of Earth and Planetary Science, 479 McCone Hall, University of California, Berkeley, CA 94720, wamidon@middlebury.edu

9-4

8:50 AM

EVIDENCE FOR REGIONAL LANDSCAPE DISEQUILIBRIUM DUE TO EROSIONAL DESTRUCTION OF A MAIN DRAINAGE DIVIDE IN THE SOUTHERN APPALACHIANS, USA

GALLEN, Sean Francis, Geological Institute, ETH Zurich, Sonneggstrasse 5, Zurich, 8092, Switzerland, sean.gallen@erdw.ethz.ch

9-5

9:05 AM

DELAYED AND EPISODIC EROSIONAL DISSECTION OF AN UPLIFTED APPALACHIAN MARGIN

HARBOR, David J., Department of Geology, Washington and Lee University, Lexington, VA 24450, harbord@wlu.edu

9-6

9:25 AM

¹⁰BE-DERIVED BARE-BEDROCK EROSION RATES ON RIDGELINES IMPLY LANDSCAPE TRANSIENCE IN THE BLUE RIDGE, SHENANDOAH NATIONAL PARK, VIRGINIA

HANCOCK, Gregory S.¹, WHITTEN, Jennifer¹, SHINTANI, Christina² and SOUTHWORTH, Scott³, (1)Department of Geology, College of William & Mary, Williamsburg, VA 23187, (2)Department of Geology, College of William and Mary, Williamsburg, VA 23185, (3)U.S. Geological Survey, MS 926A National Center, Reston, VA 20192-0001, gshanc@wm.edu

9:40 AM

Break

9-7

9:55 AM

APPARENT DISEQUILIBRIUM OF CHANNEL PROFILES IN THE BUFFALO RIVER BASIN, AR

THALER, Evan and COVINGTON, Matthew D., Department of Geosciences, University of Arkansas, 216 Ozark Hall, Fayetteville, AR 72701, thaler.evan@gmail.com

9-8

10:10 AM

HUNTING FOR NATURE’S REFRIGERATORS AMONG COLLUVIAL AND KARST LANDFORMS OF THE APPALACHIAN MOUNTAINS

KITE, J. Steven, Geology and Geography, West Virginia University, P. O. Box 6300, 330 Brooks Hall, Morgantown, WV 26506-6300, PATTERSON, Catherine R., Geology and Geography, West Virginia University, 330 Brooks Hall, 98 Beechurst Ave, Morgantown, WV 26506 and HADDOX, Chris, Davis College School of Design and Community Development, West Virginia University, Morgantown, WV 26506, jkite@wvu.edu

9-9

10:25 AM

RADIOCARBON DATING HISTOSOLS IN THE PEATLANDS OF CANAAN VALLEY NATIONAL WILDLIFE REFUGE, WEST VIRGINIA

SCHANEY, Mitzy L., Geology and Geography, West Virginia University, 98 Beechurst Ave, 330 Brooks Hall, Morgantown, WV 26506, mschramk@mix.wvu.edu

9-10

10:40 AM

COMPARISON OF ANTHROPOCENE VALLEY-BOTTOM SEDIMENTATION IN GLACIATED NEW ENGLAND AND THE UNGLACIATED MID-ATLANTIC REGION: PRELIMINARY RESULTS

SNYDER, Noah P.¹, MERRITTS, Dorothy J.², WALTER, Robert C.², FEIBEL, Samuel², GIGLIOTTI, Sophia², HOFFMAN, Aaron², JOHNSON, Kaitlin³, MARKEY, Erin², WALTNER, Mason³ and XU, Chi², (1)Earth and Environmental Sciences, Boston College, 140 Commonwealth Avenue, Devlin Hall, Chestnut Hill, MA 02467, (2)Department of Earth and Environment, Franklin and Marshall College, Lancaster, PA 17604, (3)Dept. of Earth and Environmental Sciences, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, noah.snyder@bc.edu

9-11

11:00 AM

DEEP HILLSLOPE SCALE INVENTORY OF MINERAL SURFACE AREA AND MINERALOGY IN CHRISTINA RIVER BASIN CRITICAL ZONE OBSERVATORY

FISHER, Beth A., Department of Soil, Water and Climate, University of Minnesota Twin Cities, 1991 Upper Buford Cir, 439 Borlaug Hall, St Paul, MN 55108, YOO, Kyungsoo, Soil, Water, and Climate, University of Minnesota, 1991 Upper Buford Circle, St. Paul, MN 55108, AUFDENKAMPE, Anthony K., Stroud Water Research Center, 970 Spencer Road, Avondale, PA 19311 and NATER, Ed, Soil, Water, and Climate, University of Minnesota, 439 Borlaug Hall, 1991 Upper Buford Circle, Saint Paul, MN 55108, fisherba@umn.edu

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