Session: Warm Times/Cold Times: Holocene Climate Variability in the North Atlantic Region (XVI INQUA Congress)

Paper #

Start Time

8:00 AM

Introductory Remarks

1

8:10 AM

HOLOCENE CLIMATE IN GREENLAND BASED ON 3 DEEP ICE CORES AND 2 TEMPERATURE PROFILES

JOHNSEN, Sigfús J., Department of Geophysics, Univ of Copenhagen, Juliane Maries Vej 30, Copenhagen, DK-2100, Denmark, DAHL-JENSEN, Dorthe, CLAUSEN, Henrik B. and SVEINBJORNSDÓTTIR, Árny E., Science Institute, University of Iceland, Dunhaga 3, Reykjavik, IS-107, Iceland, sigfus@gfy.ku.dk, sigfus@gfy.ku.dk

2

8:30 AM

MILLENNIAL-SCALE CHANGES OF HOLOCENE DEEP-WATER FLOW IN THE SUBPOLAR NORTH ATLANTIC LINKED TO TEMPERATURE RECONSTRUCTIONS IN THE NORWEGIAN SEA

KLEIVEN, Helga F., Bjerknes Centre of Climate Research, Univ of Bergen, Bergen, N-5007, Norway, HODELL, David A., Department of Geological Sciences, Univ of Florida, Gainesville, FL 32611, HALL, Ian R., Department of Geological SciencesDepartment of Earth Sciences, Cardiff Univ, Cardiff, CF10 3YE, United Kingdom, MCCAVE, I. Nick, Department of Earth Sciences, Univ of Cambridge, Cambridge, CB2 3EQ, United Kingdom and JANSEN, Eystein, Bjerknes Centre of Climate Research and Dept. of Earth Sciences, Univ of Bergen, Bergen, N-5007, Norway, kikki@geo.uib.no, kikki@geo.uib.no

3

8:50 AM

HOLOCENE CLIMATE VARIABILITY IN ATLANTIC CANADA AND ADJACENT MAINE

CWYNAR, Les C, Biology, Univ of New Brunswick, Fredericton, NB E3B 6E1, Canada, KUREK, J., Department of Biology, Univ of New Brunswick, Fredericton, NB E3B 6E1, Canada, SPEAR, R.W., Department of Biology, State Univ of New York, Geneseo, NY 14454, SCHULZ, Michael, Geowissenschaften, Univ of Bremen, Postfach 330 440, Bremen, D-28334, Germany and VINCENT, Jessie, Biology, University of New Brunswick, Fredericton, NB E3B 6E1, Canada, cwynar@unb.ca, cwynar@unb.ca

4

9:10 AM

PEAT STRATIGRAPHIC RECONSTRUCTIONS OF HOLOCENE CLIMATE CHANGE IN SCOTLAND

LANGDON, Peter G., Department of Geography, Univ of Exeter, Amory Building, Rennes Drive, Exeter, EX4 4RJ, United Kingdom and BARBER, Keith E., Department of Geography, Univ of Southampton, Palaeoecology Laboratory, Southampton, SO17 1BJ, United Kingdom, p.g.langdon@ex.ac.uk, p.g.langdon@ex.ac.uk

5

9:30 AM

HOLOCENE ANNUAL MEAN TEMPERATURE CHANGES IN THE BOREAL ZONE OF EUROPE: POLLEN-BASED RECONSTRUCTIONS

SEPPÄ, Heikki¹, ANTONSSON, Karin¹, HEIKKILÄ, Maija² and POSKA, Anneli³, (1)Department of Earth Sciences, Uppsala Univ, Villavägen 16, Uppsala, 75236, Sweden, (2)Department of Geography, Univ of Helsinki, P.O. Box 64, Helsinki, 00014, Finland, (3)Institute of Geology, Tallinn Technical Univ, Estonia pst. 7, Tallinn, 10143, Estonia, heikki.seppa@geo.uu.se, heikki.seppa@geo.uu.se

9:50 AM

Break

6

10:10 AM

QUANTITATIVE PALEOTEMPERATURE ESTIMATES FROM d¹⁸O IN CHIRONOMID HEAD CAPSULES FROM ARCTIC LAKE SEDIMENT

WOOLLER, Matthew J, Alaska Stable Isotope Facility, Water and Environmental Research Center, Univ of Alaska Fairbanks, Duckering Building, Fairbanks, AK 99775-5860, FRANCIS, Donna, Dept. of Geosciences, Univ of Massachusetts, Amherst, MA 01003, FOGEL, Marilyn L, Geophysical Laboratory, Carnegie Institution of Washington, Washington DC, DC 20015-1305, MILLER, Gifford, INSTAAR and Geological Sciences, Univ of Colorado, 1560 30th Street, Boulder, CO 80303, WALKER, Ian R, Departments of Biology and Earth & Environmental Sciences, Okanagan Univ College, North Kelowna Campus, Kelowna, V1V 1V7, Canada and WOLFE, Alexander P, Department of Earth & Atmospheric Sciences, Univ of Alberta, Edmonton, Canada, ffmjw@uaf.edu, ffmjw@uaf.edu

7

10:30 AM

INITIAL RESULTS ON THE TEPHRA STRATIGRAPHY IN LACUSTRINE AND SHALLOW MARINE SEDIMENT CORES FROM ICELAND

THORDARSON, Thorvaldur, Science Institute, Univ of Iceland, Dunhagi 3, Reykjavik, 107, Iceland, GEIRSDÓTTIR, Áslaug, Department of Geosciences, Univ of Iceland, Reykjavik, 101, Iceland and MILLER, Gifford H., INSTAAR and Dept. of Geological Sciences, Univ of Colorado, Boulder, CO 80303, torvth@hi.is, torvth@hi.is

8

10:50 AM

DIATOM OXYGEN ISOTOPES IN PRO-GLACIAL LAKE SEDIMENTS FROM NORTHERN SWEDEN: A 5000 YEAR RECORD OF ATMOSPHERIC CIRCULATION

ROSQVIST, Gunhild C¹, JONSSON, Christina¹, KARLÉN, Wibjörn¹, YAM, Ruth² and SHEMESH, Aldo², (1)Department of Physical Geography and Quaternary Geology, Stockholm Univ, Stockholm, 106 91, Sweden, (2)Department of Environmental Sciences and Energy Research, Weizmann Institute of Sci, Rehovot, 76100, Israel, ninis@natgeo.su.se, ninis@natgeo.su.se

9

11:10 AM

HOLOCENE CENTURY-SCALE CO₂ DYNAMICS RECONSTRUCTED BY STOMATAL FREQUENCY ANALYSIS

KOUWENBERG, Lenny L.R., WAGNER, Friederike, KÜRSCHNER, Wolfram M. and VISSCHER, Henk, Botanical Palaeoecology, Utrecht Univ, Budapestlaan 4, Utrecht, 3584 CD, Netherlands, L.L.R.Kouwenberg@bio.uu.nl, L.L.R.Kouwenberg@bio.uu.nl

10

11:30 AM

SPATIAL AND TEMPORAL MODES OF VARIABILITY IN ARCTIC SUMMER TEMPERATURE DURING THE PAST 500 YEARS

HUGHEN, Konrad A, Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, HUYBERS, Peter, Program in Atmospheres Oceans and Climate, Massachusetts Institute of Technology, Cambridge, MA 02139, DUVALL, Mathieu, Department of Geology, Bates College, Lewiston, ME 04210 and PARCS, High-Resolution Working Group, http://www.ngdc.noaa.gov/paleo/parcs/hi_res_whoi.html, khughen@whoi.edu, khughen@whoi.edu

XVI INQUA Congress

S18. Warm Times/Cold Times: Holocene Climate Variability in the North Atlantic Region