Northeastern Section - 48th Annual Meeting (18–20 March 2013)

Session No. 33
Tuesday, 19 March 2013: 8:00 AM-12:00 PM
Dartmouth Room (Omni Mount Washington Resort)

T11. Dates and Rates: Two Decades of Cosmogenic Studies in Eastern North America, the Canadian Arctic, and Greenland

 

Paul Bierman, Lee B. Corbett and Meredith A. Kelly, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:10 AM
TOWARDS SYNCHRONIZING THE NORTH AMERICAN VARVE CHRONOLOGY WITH GREENLAND ICE CORE RECORDS USING METEORIC 10BE FLUX
DEJONG, Benjamin D., The Johnson Company, 100 State Street, suite 600, Montpelier, VT 05602, BALCO, Greg, Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, RIDGE, John C., Department of Earth and Ocean Sciences, Tufts University, Medford, MA 02155, ROOD, Dylan H., AMS Laboratory, Scottish Universities Environmental Research Centre (SUERC), East Kilbride, G75 0QF, United Kingdom and BIERMAN, Paul, Department of Geology and Rubenstein School of Environment and Natural Resources, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, bdejong@uvm.edu, bdejong@uvm.edu
2
8:25 AM
CONSTRAINTS ON THE HOLOCENE EXTENTS OF THE SOUTHWESTERN MARGIN OF THE GREENLAND ICE SHEET, KANGERLUSSUAQ, GREENLAND
LEVY, Laura B.1, KELLY, Meredith A.2, APPLEGATE, Patrick J.3, ARTHUR, Claire1, VIRGINIA, Ross A.4 and HOWLEY, Jennifer A.1, (1)Department of Earth Sciences, Dartmouth College, HB 6105 Fairchild Hall, Hanover, NH 03755, (2)Department of Earth Sciences, Dartmouth College, HB6105 Fairchild Hall, Hanover, NH 03755, (3)Department of Geosciences, Pennsylvania State University, 503 Deike Building, University Park, PA 16801, (4)Environmental Studies Program, Dartmouth College, Hanover, NH 03755, laura.b.levy.gr@dartmouth.edu, laura.b.levy.gr@dartmouth.edu
3
8:40 AM
USING IN SITU COSMOGENIC 10BE, 14C, AND 26AL TO DECIPHER THE HISTORY OF POLYTHERMAL ICE SHEETS ON BAFFIN ISLAND, ARCTIC CANADA
BRINER, Jason P., Department of Geological Sciences, University at Buffalo, 126 Cooke Hall, Buffalo, NY 14260, LIFTON, Nathaniel A., Depts. of Earth, Atmospheric, and Planetary Sciences, and Physics and Astronomy, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, MILLER, Gifford H., INSTAAR and Geological Sciences, University of Colorado, Boulder, CO 80309-0450, REFSNIDER, Kurt A., Prescott College, 220 Grove Avenue, Prescott, AZ 86301, ANDERSON, Rebecca, Alliance for Climate Education, Oakland, CA 94612 and FINKEL, Robert C., Department of Earth and Planetary Science, University of California, Berkeley, 371 McCone Hall, Berkeley, CA 94720, jbriner@buffalo.edu, jbriner@buffalo.edu
4
8:55 AM
USING COSMOGENIC NUCLIDES TO STUDY SUBGLACIAL EROSION EFFICIENCY AND LANDSCAPE HISTORY IN WESTERN GREENLAND
CORBETT, Lee B., Department of Earth Sciences, Dartmouth College, HB 6105, Fairchild Hall, Hanover, NH 03755, BIERMAN, Paul, Department of Geology, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, GRALY, Joseph A., Department of Geology and Geophysics, University of Wyoming, 1000 University Ave, Laramie, WY 82071, NEUMANN, Thomas A., NASA Goddard Space Flight Center, Cryospheric Sciences Branch, Code 614.1, 8800 Greenbelt Road, Greenbelt, MD 20770 and ROOD, Dylan H., AMS Laboratory, Scottish Universities Environmental Research Centre (SUERC), East Kilbride, G75 0QF, United Kingdom, Ashley.Corbett.GR@dartmouth.edu, Ashley.Corbett.GR@dartmouth.edu
5
9:10 AM
10BE CONCENTRATION IN GREENLAND SEDIMENT INDICATES SOURCE AND EXPOSURE HISTORY
NELSON, Alice, Geology, University of Vermont, Delehanty Hall, Burlington, VT 05405, BIERMAN, Paul, Geology and School of Natural Resources, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, SHAKUN, Jeremy D., Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138 and ROOD, Dylan H., AMS Laboratory, Scottish Universities Environmental Research Centre (SUERC), East Kilbride, G75 0QF, United Kingdom, ahnelson@uvm.edu, ahnelson@uvm.edu
6
9:25 AM
WHERE DOES SEDIMENT IN THE GREENLAND ICE SHEET COME FROM?
BIERMAN, Paul, Department of Geology and Rubenstein School of Environment and Natural Resources, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, CORBETT, Lee B., Department of Earth Sciences, Dartmouth College, HB 6105, Fairchild Hall, Hanover, NH 03755, ROOD, Dylan H., AMS Laboratory, Scottish Universities Environmental Research Centre (SUERC), East Kilbride, G75 0QF, United Kingdom, SHAKUN, Jeremy D., Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138 and NELSON, Alice, Geology Department, University of Vermont, Delehanty Hall, Burlington, VT 05405, pbierman@zoo.uvm.edu, pbierman@zoo.uvm.edu
7
9:40 AM
10BE EXPOSURE AGES OF THE LAURENTIDE ICE SHEET RETREAT WEST OF LAKE SUPERIOR
HOWLEY, Jennifer A.1, KELLY, Meredith A.1 and LOWELL, Thomas V.2, (1)Department of Earth Sciences, Dartmouth College, Hanover, NH 03755, (2)Department of Geology, University of Cincinnati, Cincinnati, OH 45221, jennifer.howley@dartmouth.edu, jennifer.howley@dartmouth.edu
8
9:55 AM
COSMOGENIC 10BE AGE LIMITS ON THE LAST TWO PLEISTOCENE GLACIATIONS IN THE NORTHEASTERN GREAT BASIN, NEVADA AND UTAH, U.S.A
LAABS, Benjamin J.C., Department of Geological Sciences, State University of New York at Geneseo, 234 ISC, 1 College Circle, Geneseo, NY 14454 and MUNROE, Jeffrey S., Geology Department, Middlebury College, Middlebury, VT 05753, laabs@geneseo.edu, laabs@geneseo.edu
 
10:10 AM
Break
9
10:40 AM
DIFFUSION OF HELIUM IN CALCITE, ARAGONITE, AND DOLOMITE
HOBBS, Daniel, Geology, Middlebury College, McCardell Bicentennial Hall, 276 Bicentennial Way, Middlebury, VT 05753 and AMIDON, William H., Geology Department, Middlebury College, Middlebury, VT 05753, dhobbs@middlebury.edu, dhobbs@middlebury.edu
10
10:55 AM
QUANTITATIVE UNCERTAINTY ESTIMATES FOR COSMOGENIC CHLORINE-36 RESULTS
MARRERO, Shasta M., Department of Geography, University of Edinburgh, Drummond St, Edinburgh, EH8 9XP, Scotland and PHILLIPS, Fred, Earth and Environmental Science Department, New Mexico Institute of Mining and Technology, Socorro, NM 87801, shasta.marrero@ed.ac.uk, shasta.marrero@ed.ac.uk
 
11:10 AM
Discussion
 
11:40 AM
Concluding Remarks
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