2004 Denver Annual Meeting (November 7–10, 2004)

Session No. 29
Sunday, 7 November 2004: 1:30 PM-5:30 PM

Paleoclimatology/Paleoceanography II

 

Paul L. Koch and Teh-Lung Ku, Chairs
Paper #
Start Time
1
1:30 PM
EVOLUTION OF SNORRI DRIFT: A 200 KYR OCEANOGRAPHIC AND SEDIMENTARY RECORD
DUNHILL, Gita, INSTAAR, University of Colorado, Boulder, CO 80304, dunhill@colorado.edu, dunhill@colorado.edu
2
1:45 PM
ATMOSPHERIC CARBON DIOXIDE AND OCEAN CARBONATE ION CONCENTRATION DURING THE LAST GLACIAL CYCLE
ANDERSON, David M., NOAA Paleoclimatology Program, 325 Broadway, Code E/CC23, Boulder, CO 80303, david.m.anderson@noaa.gov, david.m.anderson@noaa.gov
3
2:00 PM
A 31,000-14C YR VEGETATION HISTORY FROM THE PELONCILLO MOUNTAINS, SOUTHEASTERN ARIZONA
HOLMGREN, Camille A.1, BETANCOURT, Julio L.2 and RYLANDER, Kate A.2, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (2)Desert Laboratory, U.S. Geol Survey, 1675 W. Anklam Rd, Tucson, AZ 85745, holmgren@geo.arizona.edu, holmgren@geo.arizona.edu
4
2:15 PM
CLIMATE RECORDS FROM SHELLS OF A LONG-LIVED BIVALVE MOLLUSK (ARCTICA ISLANDICA, NORTH ATLANTIC)
SCHÖNE, Bernd R.1, FIEBIG, Jens2, GLESS, Renald1, OSCHMANN, Wolfgang2, DREYER, Wolfgang3, PFEIFFER, Miriam4 and DUNCA, Elena5, (1)Institute for Geology and Paleontology, Bio-INCREMENTS, Univ of Frankfurt / M, Senckenberganlage 32, Frankfurt / M, 60325, (2)Institute for Geology and Paleontology, Bio-INCREMENTS, Univ of Frankfurt / M, Senckenberganlage 32, Frankfurt / M, 60325, Germany, (3)Zoological Museum, CA Univ, Hegewischstr. 3, Kiel, 24105, Germany, (4)Leibniz-Institute for Marine Sciences, IFM-GEOMAR, Wischhofstr. 1-3, Kiel, 24148, Germany, (5)Department of Palaeozoology, Museum of Nat History, Box 50007, Stockholm, 10405, Sweden, B.R.Schoene@em.uni-frankfurt.de, B.R.Schoene@em.uni-frankfurt.de
5
2:30 PM
A MULTIPROXY, HIGH-RESOLUTION RECONSTRUCTION OF HOLOCENE CLIMATE AND DROUGHT CONDITIONS FROM KIRMAN LAKE, EASTERN SIERRA NEVADA, CALIFORNIA, USA
BLOOM, Amy M.1, POTITO, Aaron P.2, MACDONALD, Glen M.3, MOSER, Katrina A.1 and PORINCHU, David F.3, (1)Geography, Univ of Utah, 260 South Central Campus Dr. Rm. 270, Salt Lake City, UT 84112-9155, (2)Geography, Univ of California, Los Angeles, 1255 Bunche Hall, UCLA, Los Angeles, CA 90095, (3)Department of Geography, University of Utah, 260 South Central Campus Dr., Room 270, Salt Lake City, UT 84112, amy.bloom@geog.utah.edu, amy.bloom@geog.utah.edu
6
2:45 PM
PLEISTOCENE COLONIZATION OF TROPICAL HIGH-ALTITUDE GRASSLANDS BY C4 GRASSES
MORA, German, Department of Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011, gmora@iastate.edu, gmora@iastate.edu
7
3:00 PM
THE EFFECTS OF LATE QUATERNARY CLIMATE AND PCO2 CHANGE ON C4 PLANT ABUNDANCE IN THE SOUTHCENTRAL USA
KOCH, Paul L., Earth Sciences, Univ of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, DIFFENBAUGH, Noah S., Department of Earth and Atmospheric Sciences, Purdue Univ, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051 and HOPPE, Kathryn A., Dept. of Geological and Environmental Sci, Stanford Univ, 450 Serra Mall, Bldg 320, Stanford, CA 94305-2115, pkoch@es.ucsc.edu, pkoch@es.ucsc.edu
 
3:15 PM
Break
8
3:30 PM
87SR/86SR AND SR/CA IN SPELEOTHEMS FOR PALEOCLIMATE RECONSTRUCTION
LI, Hongchun, Department of Earth Sciences, Univ of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, KU, Teh-Lung, Earth Sciences, Univ Southern California, 3651 University Ave, Los Angeles, CA 90089-0740, YOU, Chen-Feng, Department of Earth Sciences, National Cheng-Kung Univ, TaiNan, 701, Taiwan, CHENG, Hai, Department of Geology and Geophysics, Univ of Minnesota, Minneapolis, MN 55455 and EDWARDS, R. Lawrence, Department of Geology & Geophysics, Univ of Minesota, Minneapolis, MN 55455, hli@usc.edu, hli@usc.edu
9
3:45 PM
HOLOCENE VARIABILITY OF THE MONSOONAL CLIMATE IN CENTRAL CHINA INDICATED BY MULTI-PROXY RECORDS IN A SPELEOTHEM
KU, Teh-Lung, Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, LI, Hong-Chun, Earth Sciences, Univ of Southern California, Los Angeles, CA 90089 and YOU, Chen-Feng, Department of Earth Sciences, National Cheng-Kung Univ, TaiNan, 701, Taiwan, rku@usc.edu, rku@usc.edu
10
4:00 PM
LATE HOLOCENE CHANGES IN ATMOSPHERIC PATTERNS IN THE UPPER MIDWEST AS INFERRED FROM OXYGEN ISOTOPE RATIOS OF PEAT DEPOSITS
ZANAZZI, Alessandro, Department of Geological and Atmospheric Sciences, Iowa State Univ, 253 Science I, Ames, IA 50011 and MORA, German, Department of Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011, zigo77@iastate.edu, zigo77@iastate.edu
11
4:15 PM
COMPARISON OF PROXY PRECIPITATION RECORDS FOR THE GULF OF MEXICO
VAN BEYNEN, Philip1, CROSS, Eric2, VAN VLEET, Ted2 and HOLLANDER, David2, (1)Dept. of Environmental Science and Policy, Univ of South Florida, 4202 E. Fowler Ave, SCA 238, Tampa, FL 33620, (2)College of Marine Science, Univ of South Florida, St. Petersburg, FL 33701, vanbeyne@cas.usf.edu, vanbeyne@cas.usf.edu
12
4:30 PM
DATING FIRST MILLENNIUM AD EXPANSIONS OF ALASKAN COASTAL GLACIERS
WILES, Gregory C., Geology, The College of Wooster, 1189 Beall Ave, Wooster, OH 44691, YOUNG, Nicolas E., Geology, The College of Wooster, Wooster, OH 44691, BARCLAY, David J., Department of Geology, SUNY Cortland, PO Box 2000, SUNY Cortland, Cortland, NY 13045 and CALKIN, Parker E., Institute of Arctic and Alpine Research, Univ of Colorado, Boulder, CO 80309, gwiles@wooster.edu, gwiles@wooster.edu
13
4:45 PM
EXTENDING TEPHROCHRONOLOGY FROM THE TERRESTRIAL ENVIRONMENT TO THE MARINE ENVIRONMENT: A CASE STUDY FROM CORE MD99-2269, N ICELAND SHELF
KRISTJÁNSDÓTTIR, Gréta Björk1, STONER, Joseph1, ANDREWS, John T.1, JENNINGS, Anne E.1, GRÖNVOLD, Karl2 and JULL, Timothy A.J.3, (1)INSTAAR & Dep. of Geological Sciences, Univ. of Colorado, Box 450, Boulder, CO 80309, (2)Nordic Volcanological Institute, Grensásvegur 50, Reykjavík, 108, Iceland, (3)NSF Arizona AMS Lab, University of Arizona, Tucson, AZ 85721, gbk@colorado.edu, gbk@colorado.edu
14
5:00 PM
OXYGEN AND CARBON ISOTOPIC VARIATIONS IN COLUMNAR CACTI: ARE RESPONSES TO CLIMATE RECORDED IN SPINES?
ENGLISH, Nathan, Univ Arizona, 1040 E 4th St, Tucson, AZ 85721-0077, WILLIAMS, David G., Department of Renewable Resources, Univ of Wyoming, Laramie, WY 82071 and DETTMAN, David L., Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, nenglish@geo.arizona.edu, nenglish@geo.arizona.edu
15
5:15 PM
HYDROGEN ISOTOPES AS A COMPLIMENTARY GEOCHEMICAL RECORD OF ENVIRONMENTAL VARIATION IN THE SHELLS OF FRESHWATER BIVALVES
CARROLL, Monica, Department of Geology, Univ of Georgia, Athens, GA 30602, ROMANEK, Christopher S., Geology and Savannah River Ecology Laboratory, Univ of Georgia, Drawer E, Aiken, SC 29802 and PADDOCK, Lindy, Savannah River Ecology Laboratory, Univ of Georgia, Drawer E, Aiken, SC 29802, monicabc@uga.edu, monicabc@uga.edu