2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

Session No. 101
Monday, 2 November 2015: 8:00 AM-12:00 PM
Room 331/332 (Baltimore Convention Center)

T184. African Environments across Space and through Time: Integrating Modern and Ancient Climate Data for Insights into Terrestrial Ecosystem Dynamics

GSA Quaternary Geology and Geomorphology Division; GSA Archaeological Geology Division; Paleontological Society; GSA Sedimentary Geology Division; Geochemical Society; Paleoceanography/Paleoclimatology Discipline
David Patterson, Sophie B. Lehmann and Naomi E. Levin, Session Chairs
Paper #
Start Time
8:00 AM
WHEN CHANGE IS MORE OF THE SAME: THE INCREASING IMPORTANCE OF HYDROLOGICAL VARIABILITY ON ECOSYSTEM STRUCTURE AND FUNCTION
CAYLOR, Kelly, Dept. of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, kcaylor@princeton.edu
8:20 AM
HOW HOT IS IT ANYWAY? DAILY SKIN-SURFACE SOIL TEMPERATURE IN EAST AFRICA
CERLING, Thure E., Department of Geology and Geophysics, University of Utah, Frederick Albert Sutton Building, 115 S 1460 E, Room 383, Salt Lake City, UT 84112, MACE, William D., Department of Geology and Geophysics, University of Utah, 1460 East, 115 South, 383 Sutton Building, Salt Lake City, UT 84112, DAVIS, Micahel, Department of Geology and Geophysics, University of Utah, 1460 East, 115 South, 383 Sutton, Salt Lake City, UT 84112 and REMIEN, Christopher, Department of Mathematics, University of Idaho, 875 Perimeter Drive, MS 1103, Moscow, ID 83844-1103, thure.cerling@utah.edu
8:35 AM
SATELLITE-BASED INVESTIGATION OF RECENT ENVIRONMENTAL AND LAND-COVER CHANGES DUE TO BIOMASS BURNING IN NORTHERN SUB-SAHARAN AFRICA
ICHOKU, Charles, ELLISON, Luke, GATEBE, Charles K. and POUDYAL, Rajesh, NASA Goddard Space Flight Center, GREENBELT, MD 20771, Charles.Ichoku@nasa.gov
8:50 AM
CLIMATE AND VEGETATION CHANGE IN SOUTH AFRICA AND NAMIBIA IN RELATION TO THE BENGUELA UPWELLING SYSTEM
DUPONT, Lydie, University of Bremen, MARUM - Center for Marine Environmental Sciences, Leobenerstr, Bremen, DE28359, Germany, ldupont@marum.de
9:10 AM
CHANGING VIEWS ON THE EVOLUTION OF THE PLANT COMMUNITY ALONG THE SOUTH AFRICAN SOUTH-WEST COAST DURING THE PLIO-PLEISTOCENE
STYNDER, Deano D., Archaeology, University of Cape Town, Rondebosch, 7701, South Africa, REED, Kaye E., Institute of Human Origins, University of Arizona, School of Human Evolution and Social Change, PO Box 874101, Tempe, AZ 852874101, BRAUN, David R., Anthropology Department, The George Washington University, 2112 G. St., 203, Washington, DC 20052, LEVIN, Naomi E., Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218, BISHOP, Laura C., Research Centre in Evolutionary Anthropology and Palaeoecology, School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, L3 3AF, United Kingdom, LEHMANN, Sophie B., Department of Earth and Planetary Sciences, Johns Hopkins University, 3400 N. Charlse Street, Baltimore, MD 21218, FORREST, Frances, Anthropology and NYCEP, The Graduate School and University Center/City University of New York, New York, NY 10016, PATTERSON, David, The George Washington University, Center for the Advanced Study of Human Paleobiology, 800 22nd Street NW, Suite 6000, Washington, DC 20052 and MATTHEWS, Thalassa, Iziko Museums of South Africa, 5 Queen Victoria St, CBD, Cape Town, South Africa, Deano.Stynder@uct.ac.za
9:25 AM
PLAYA LAKE AND MARGINAL WETLAND SEDIMENTS RECORD OVER 1000 YEARS OF CLIMATE SHIFTS AT LAKE SOLAI, EAST AFRICAN RIFT, KENYA
HOVER, Victoria C., Physical Sciences, Washtenaw Community College, 4800 E. Huron River Drive, Ann Arbor, MI 48105-4800, ASHLEY, Gail M., Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, GOMAN, Michelle F., Dept of Geography and Global Studies, Sonoma State University, 1801 East Cotati Ave, Rohnert Park, CA 94928, MAHARJAN, Dev, Geoscience, University of Nevada Las Vegas, 4505 S Maryland Pkwy, Las Vegas, NV 89154-4010, OWEN, R. Bernhart, Dept. of Geography, Hong Kong Baptist University, Kowloon Tong, Hong Kong and DELANEY, Jeremy S., Earth & Planetary Sciences/ Chemistry, Rutgers University, 610 Taylor Rd, Busch Campus, Piscataway, NJ 08854, vhover55@gmail.com
101-7
9:40 AM
Withdrawn
 
9:55 AM
Break
10:10 AM
LONG-TERM, MULTI-SCALE PLATE AND GEOTECTONIC INFLUENCES ON PRIMATE PALEOENVIRONMENTS IN WEST AFRICA
JACOBS, Louis L.1, POLCYN, Michael J.1, MATEUS, Octávio2, SCHULP, Anne S.3, GONÇALVES, António Olímpio4 and MORAIS, Maria Luísa5, (1)Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275-0395, (2)Departamento de Ciências da Terra, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Lisboa, 1099-085, Portugal, (3)Natuurhistorisch Museum Maastricht, Maastricht, NL-6211 KJ, Netherlands, (4)Departamento de Geologia, Faculdade de Ciências, , Universidade Agostinho Neto, Avenida 4 de Fevereiro 7, Luanda, Angola, (5)Faculdade de Ciências, Universidade Agostinho Neto, Luanda, n° 3244, Angola, jacobs@smu.edu
10:25 AM
SIZE VARIATION OF EAST AFRICAN MOLE-RAT (TACHYORYCTES SPLENDENS) AND ITS IMPLICATIONS FOR LATE QUATERNARY CLIMATE CHANGE
FAITH, J. Tyler, School of Social Science, University of Queensland, Michie Building (#9), Brisbane, 4072, Australia, PATTERSON, David, Center for the Advanced Study of Human Paleobiology, The George Washington University, 800 22nd Street NW, Washington, DC 20052, BLEGEN, Nick, Department of Anthropology, University of Connecticut, Charles Beach Hall, 354 Mansfield Road, Storrs, CT 06269, O'NEILL, Chris J., School of Social Science, University of Queensland, Brisbane, 4072, Australia, MAREAN, Curtis W., School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, PEPPE, Daniel J., Terrestrial Paleoclimatology Research Group, Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354 and TRYON, Christian A., Department of Anthropology, Harvard University, Cambridge, MA 02138, j.faith@uq.edu.au
10:40 AM
STABLE ISOTOPIC STUDY OF MODERN AND FOSSIL TRAGELAPHUS: INTERPRETING THE RANGE OF DIETARY SIGNALS WITHIN A SINGLE GENUS
NEGASH, Enquye W.1, ALEMSEGED, Zeresenay2, WYNN, Jonathan G.3, BEDASO, Zelalem K.4 and BOBE, René1, (1)Department of Anthropology, The George Washington University, 2110 G St., NW, Washington, DC 20052, (2)Department of Anthropology, California Academy of Sciences, 55 Music Concourse Dr, San Francisco, CA 94118, (3)School of Geosciences, University of South Florida, 4202 E. Fowler Ave, SCA 528, NES 107, Tampa, FL 33620, (4)Department of Geology, University of Dayton, 300 college park, Dayton, OH 45469-2364, enqu21@gmail.com
10:55 AM
EVIDENCE FROM PLANT WAX BIOMARKERS FOR ECOLOGICALLY-DRIVEN EVOLUTIONARY EVENTS AT 2.8 MA IN THE LOWER OMO VALLEY, ETHIOPIA
UNO, Kevin T.1, POLISSAR, Pratigya J.1, BONNEFILLE, Raymonde2 and DEMENOCAL, Peter3, (1)Biology and Paleoenvironment, Lamont Doherty Earth Observatory, 61 Route 9W, PO Box 1000, Palisades, NY 10964-8000, (2)CEREGE, Aix-en-Provence, Cedex 04, France, (3)Biology and Paleoenvironment, Lamont Doherty Earth Observatory, 61 Route 9W, PO Box 1000, Palisades, NY 10964-8000; Earth and Environmental Sciences, Columbia University, New York, NY 10025, kevinuno1@gmail.com
11:15 AM
RECONSTRUCTING PLANT-INSECT INTERACTIONS ACROSS THE PALEOGENE-NEOGENE BOUNDARY IN ETHIOPIA
CURRANO, Ellen D., Department of Botany, University of Wyoming, Department of Botany, 3065, 1000 E. University Ave, Laramie, WY 82071, JACOBS, Bonnie F., Roy M. Huffington Department of Earth Sciences, Southern Methodist University, 3225 Daniel Avenue, Dallas, TX 75275, FESEHA, Mulugeta, College of Development Studies / Department of Earth Sciences, Addis Ababa University, Addis Ababa, Ethiopia and PAN, Aaron D., Don Harrington Discovery Center, 1200 Streit Drive, Amarillo, TX 79106, ecurrano@uwyo.edu
11:30 AM
CLIMATE OF THE EAST AFRICAN HIGHLANDS IN THE EARLY NEOGENE (21.7 MA) ESTIMATED FROM FOSSIL LEAVES OF THE MUSH VALLEY, ETHIOPIA
JACOBS, Bonnie F., Roy M. Huffington Department of Earth Sciences, Southern Methodist University, 3225 Daniel Avenue, Dallas, TX 75275, CURRANO, Ellen D., Department of Botany, University of Wyoming, Department of Botany, 3065, 1000 E. University Ave, Laramie, WY 82071, PAN, Aaron D., Don Harrington Discovery Center, 1200 Streit Drive, Amarillo, TX 79106 and FESEHA, Mulugeta, College of Development Studies / Department of Earth Sciences, Addis Ababa University, Addis Ababa, Ethiopia, bjacobs@smu.edu
11:45 AM
LAKE VICTORIA MEGADROUGHT AND EQUATORIAL GRASSLAND EXPANSION DURING THE LATE PLEISTOCENE
BEVERLY, Emily J.1, WHITE, Joseph D.2, PEPPE, Daniel J.1, FAITH, J. Tyler3, BLEGEN, Nick4 and TRYON, Christian5, (1)Terrestrial Paleoclimatology Research Group, Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, (2)Department of Biology, Baylor University, Waco, TX 76798, (3)School of Social Science, University of Queensland, Michie Building (#9), Brisbane, 4072, Australia, (4)Department of Anthropology, University of Connecticut, Charles Beach Hall, 354 Mansfield Road, Storrs, CT 06269, (5)Department of Anthropology, Harvard University, Cambridge, MA 02138, Emily_Beverly@baylor.edu
See more of: Technical Sessions