GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 9
Sunday, 22 October 2017: 8:00 AM-12:00 PM
Room 609 (Washington State Convention Center)

T45. Miocene–Pliocene Terrestrial Ecosystem Response to the Climate System I

Paleontological Society; GSA Limnogeology Division
Kevin Uno and Tammo Reichgelt, Advocates
 
8:00 AM
Introductory Remarks
9-1
8:10 AM
EVOLUTION OF ANTARCTIC VEGETATION COVER IN THE MIO-PLIOCENE: A REVIEW OF CASE STUDIES FROM THE ANTARCTIC PENINSULA, THE ROSS SEA AND THE DRY VALLEYS (Invited Presentation)
WARNY, Sophie, Department of Geology and Geophysics, and Museum of Natural Science Baton Rouge, USA, Louisiana State University, E235 Howe-Russell Geoscience Complex, Baton Rouge, LA 70803 and ASKIN, Rosemary, Louisiana State University, 1930 Bunkhouse Drive, Jackson, WY 83001, swarny@lsu.edu
9-2
8:30 AM
LATE MIOCENE GLOBAL COOLING DRIVEN BY A DECLINE IN PLATE TECTONIC CO2 RELEASE
DALTON, Colleen A.1, HERBERT, Timothy D.2 and CARCHEDI, Christopher2, (1)Earth, Environmental, and Planetary Sciences, Brown University, 324 Brook St., Providence, RI 02912, (2)Department of Earth, Environmental and Planetary Sciences, Brown University, 324 Brook Street, Providence, RI 02912, Timothy_Herbert@brown.edu
9-3
8:45 AM
WETTER SUBTROPICS IN A WARMER WORLD: CONTRASTING PAST AND FUTURE HYDROLOGICAL CYCLES
BURLS, Natalie, Atmospheric, Oceanic and Earth Sciences, George Mason University, 4400 University Drive, Fairfax, VA 22030 and FEDOROV, Alexey V., Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06520, nburls@gmu.edu
9-4
9:00 AM
MIOCENE–PLIOCENE CLIMATE TRANSITION IN EAST ASIA LINKED TO MOUNTAIN UPLIFT
AO, Hong, State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese academy of Science, No.97 Yanxiang road, Yanta district, Xi 'an, Shaanxi province, Xi'an, 710075, China, aohong@ieecas.cn
9-5
9:15 AM
DETERMINING THE TIMING OF NEOTROPICAL GRASSLAND EXPANSION USING MIOCENE SEDIMENTS FROM THE LLANOS BASIN, COLOMBIA
ROMERO, Ingrid, Department of Plant Biology, University of Illinois, 505 S. Goodwin Avenue, Urbana, IL 61801, ESCOBAR, Jaime H., Department of Civil and Environmental Engineering, Universidad del Norte, Apartados Aereos 1569, Barranquilla, 51820, Colombia, JARAMILLO, Carlos, Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon, 0843-03092, Panama, BAYONA, German, Corporacion Geologica ARES, Bogota, 33333, ZAVADA, Michael S., Department of Biology, University of Texas of the Permian Basin, 4901 East University Boulevard, Odessa, TX 79762 and PUNYASENA, Surangi W., Department of Plant Biology, University of Illinois, 505 S. Goodwin Ave., Urbana, IL 61801, romerov2@illinois.edu
9-6
9:30 AM
THE NEOGENE EXPANSION OF C4 DOMINATED ECOSYSTEMS: AN AUSTRALIAN PERSPECTIVE
ANDRAE, Jake W.1, MCINERNEY, Francesca A.1, POLISSAR, Pratigya J.2, HALL, Tony1 and TYLER, Jonathan J.1, (1)Sprigg Geobiology Centre, Department of Earth Sciences, The University of Adelaide, Adelaide, 5005, Australia, (2)Biology and Paleoenvironment, Lamont Doherty Earth Observatory, 61 Route 9W, PO Box 1000, Palisades, NY 10964-8000, jake.andrae@adelaide.edu.au
9-7
9:45 AM
MOLECULAR EVIDENCE SUGGESTS AN ACTIVE FIRE-FEEDBACK TRIGGERED LATE MIOCENE C4 GRASSLAND EXPANSION ON THE INDIAN SUBCONTINENT
KARP, Allison T.1, BEHRENSMEYER, Anna K.2 and FREEMAN, Katherine H.1, (1)Geoscience Department, Pennsylvania State University, University Park, PA 16801, (2)Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, NHB-121, Washington, DC 20013-7012, amk6331@psu.edu
 
10:00 AM
Break
9-8
10:15 AM
POSSIBLE LINKAGE BETWEEN SUPERNOVAE, INCREASED TERRESTRIAL LIGHTNING, AND WILDFIRE ACTIVITY IN THE LATE MIOCENE AND EARLY PLEISTOCENE
THOMAS, Brian C., Physics and Astronomy, Washburn University, 1700 SW College Ave, Topeka, KS 66621, brian.thomas@washburn.edu
9-9
10:30 AM
VEGETATION AND FIRE: FEEDBACKS TO PLIOCENE ARCTIC CLIMATE
FLETCHER, Tamara1, FENG, Ran2, BROWN, Kendrick3, WARDEN, Lisa4, CSANK, Adam5, HIGUERA, Philip1, RYBCZYNSKI, Natalia6, OTTO-BLEISNER, Bette2 and BALLANTYNE, Ashley1, (1)Department of Ecosystem and Conservation Science, University of Montana, 32 Campus Drive, Missoula, MT 59812, (2)Climate & Global Dynamics Laboratory, University Corporation for Atmospheric Research, Boulder, CO 80301, (3)Pacific Forestry Centre, Natural Resources Canada, Victoria, BC V8Z 1M5, Canada, (4)Department of Marine Organic Biogeochemistry, NIOZ Royal Netherlands Institute for Sea Research, Den Burg, 1791, Netherlands, (5)Geography, University of Nevada, Reno, NV 89557, (6)Palaeobiology, Canadian Museum of Nature, Gatineau, QC J9J 3N7, Canada; Department of Biology, Carelton University, Ottawa, ON K1S 5B6, Canada, tamara.fletcher@umontana.edu
Handouts
  • GSA_2017_upload.pdf (4.2 MB)
  • 10:45 AM
    ARCTIC CLIMATIC RECONSTRUCTION USING A PLIOCENE FOREST DEPOSIT, ELLESMERE ISLAND, CANADA
    GRANT, George W. and BARKER, Joel D., Earth Sciences, The Ohio State University, 1090 Carmack Road, Columbus, OH 43210, George.Grant@castleton.edu
    11:00 AM
    PRECIPITATION ISOTOPE-BASED RECONSTRUCTION OF PLIOCENE TEMPERATURES IN ALASKA AND YUKON FROM FOSSIL PLANT N-ALKANOIC ACIDS
    OTINIANO, Gerard A.1, PORTER, Trevor J.1, FEAKINS, Sarah J.2, BENOWITZ, Jeff A.3, BAKKELUND, Aleesha M.P.4, BOND, Jeffrey D.5 and FROESE, Duane G.6, (1)Geography, University of Toronto, 3359 Mississauga Road, Mississauga, ON L5L 1C6, Canada, (2)Earth Sciences, University of Southern California, 3501 Trousdale Pkwy, Los Angeles, CA 90889-0740, (3)Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775, (4)Geography, University of Toronto, 3361 Delfi Rd, Mississauga, ON L5L 1C6, Canada, (5)Yukon Geological Survey, Energy Mines and Resources, P.O. Box 2703, Whitehorse, YT Y1A 0C2, Canada, (6)Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, gerard.otiniano@mail.utoronto.ca
    11:15 AM
    PALEOBOTANICAL EVIDENCE FOR MIOCENE SUMMER MOISTURE DEFICITS IN SOUTHERN NEW ZEALAND
    REICHGELT, Tammo, Department of Earth and Environmental Sciences, Lamont-Doherty Earth Observatory, 61 Route 9W - PO Box 1000, Palisades, NY 10964, KENNEDY, Elizabeth, GNS Science, Lower Hutt, 5010, New Zealand, CONRAN, John, University of Adelaide, Adelaide, 5005, Australia and LEE, Daphne, Department of Geology, University of Otago, Dunedin, 9054, New Zealand, tammor@ldeo.columbia.edu
    9-13
    11:30 AM
    Withdrawn
    11:45 AM
    PALEOECOLOGY OF THE ARABIAN PENINSULA DURING THE LATE MIOCENE FROM FOSSIL TOOTH ENAMEL AND PLANT WAX BIOMARKERS
    UNO, Kevin T., Biology and Paleoenvironment, Lamont Doherty Earth Observatory, 61 Route 9W, PO Box 1000, Palisades, NY 10964-8000, HILL, Andrew, Peabody Museum, Yale University, 10 Sachem Street, New Haven, CT 06511, BIBI, Faysal, Museum für Naturkunde, Invalidenstr. 43, Berlin, 10115, Germany, KRAATZ, Brian P., Department of Anatomy, Western University of Health Sciences, Pomona, CA 91766 and BEECH, Mark, Historic Environment Department, Abu Dhabi Tourism and Culture Authority, Abu Dhabi, kevinuno@ldeo.columbia.edu
    See more of: Technical Sessions