HR: 0800h
AN: PP11B-1456    [Abstracts]
TI: High-Resolution Planktic Mg/Ca and Stable Isotopes in the Holocene North Atlantic
AU: * Almasi, P
EM: peteralmasi@hotmail.com
AF: Lamont-Doherty Earth Observatory of Columbia University, Rt 9W, Palisades, NY 10964
AB: This abstract is not complete. To investigate the magnitude and spatial pattern of millennial-scale climate cycles, planktic Mg/Ca was measured in sediment cores from three locations in the central North Atlantic. Measurement of post-bomb core top samples from 7 sites spanning 8-14C (summer) indicate a relationship between Mg/Ca and temperature slightly weaker than previously reported. An exponential equation of the form Mg/Ca=0.74*exp(0.08*T) was fitted to the G. bulloides data. This abstract is not complete.
DE: 4900 PALEOCEANOGRAPHY (0473, 3344)
DE: 4901 Abrupt/rapid climate change (1605)
DE: 4936 Interglacial
DE: 4954 Sea surface temperature
SC: Paleoceanography and Paleoclimatology [PP]
MN: Fall Meeting 2005